blacknose shark teeth

The Cuban naturalist Felipe Poey published the first description of the blacknose shark in 1860 as Squalus acronotus, in his … Blacknose sharks are of minor importance in the commercial fishery; although, it is sometimes targeted recreationally for the fight it gives when caught on light tackle. [2] This species generally inhabits coastal seagrass, sand, or rubble habitats, with adults preferring deeper water than juveniles. (III), Ingram G.W., (Jr.), Grace, M.A., Carlson, J.K., Ulrich, J.F., Sulikowski, J.A. [22] By contrast, blacknose shark stocks off northern Brazil appear to be stable, while no fishery data are available from the Caribbean. Local waterways, such as Charlotte Harbor, Lemon Bay and Sarasota Bay, usually contain bull sharks, blacktips and blacknose sharks year-round, according to Poulakis. Molecular analyses have been similarly equivocal regarding the blacknose shark's phylogenetic relationships: Gavin Naylor's 1992 allozyme analysis found this species to be the most basal member of Carcharhinus, while Mine Dosay-Abkulut's 2008 ribosomal DNA analysis indicated affinity between it and the blacktip shark (C. limbatus) or the smalltail shark (C. The shark was caught and released aboard the Fish Finder - Mark Sampson [1][3], Off the United States, the fishing of the blacknose shark is regulated by the U.S. National Marine Fisheries Service 1993 Fisheries Management Plan (FMP) for Atlantic and Gulf of Mexico sharks. [1][7] Blacknose sharks in the South Atlantic Bight (off the Atlantic coast of the southern United States) migrate northward in the summer and southward (or possibly offshore) in the winter; a similar migration occurs for sharks in the Gulf of Mexico. The second dorsal fin is relatively large, though still less than half the height of the first. East … To aid in the recovery of these species, dusky sharks were prohibited from recreational and commercial retention in 2001, and sandbar sharks were prohibited from recreational retention in 2009. Put your finger in the water and touch it to your tongue. The lower jaw also has cusped serrated teeth with broad bases. Jason Moys from the city of Bermaghi and his colleagues weighed their discovery and determined that its weight exceeds 220 pounds. Twelve to 13 and 11 to 12 tooth rows occur on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). This species is not known to attack humans, though it has been documented performing a threat display towards divers. Drawing of a blacknose shark and one of its upper teeth – the arrows and vertical line refer to diagnostic features of the species. NEW Marine ... origin of the 1st dorsal fin over or slightly behind the inner margin of the pectoral fin; upper teeth flat, serrated, unsymmetrical, oblique cusps; lower teeth nearly symmetrical; no interdorsal ridge. and Quattro, J.M. If you taste salt, there are sharks! Anterior teeth are erect and nearly symmetrical, while posterior teeth become more oblique in shape. The display consists of the shark hunching its back, lowering its pectoral fins, gaping its jaws, and swimming with an exaggerated side-to-side motion. Blacknose Shark Carcharhinus acronotus ; bag limit is 1 shark/day, including sharpnose, blacktips, bonnetheads, and all other allowable shark species. The blacknose shark is slimly built, with a long snout and relatively small first dorsal and pectoral fins. Their meat is commonly dried before being marketed for human consumption. There are 12–13 and 11–12 tooth rows on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). Blacknose shark is quick swimmer and voracious predator that feeds on fish (pinfish, porcupine fish, box fish, … Copyright 2012-2020. [8] The newborns measure 38–50 cm (15–20 in) long. Shark’s teeth. Froese, Rainer and Pauly, Daniel, eds. The jaws contain 15 tooth rows on either side, with two symphysial teeth (at the jaw midline) in the upper jaw and one symphysial tooth in the lower jaw. Lower jaw teeth have a broad base, and are narrow and triangular with fine serrations. This is the only survey in the Atlantic that has consistently surveyed the Mid-Atlantic Closed Area off North Carolina before and after it was implemented to protect juvenile dusky and sandbar sharks. [7] The coloration is yellowish to greenish-gray or brown above and white to yellow below. International Union for Conservation of Nature, National Oceanic and Atmospheric Administration, 10.2305/IUCN.UK.2009-2.RLTS.T161378A5410167.en, "Species Carcharhinus acronotus Poey 1860", "Evidence of Philopatry in Sharks and Implications for the Management of Shark Fisheries", "A review of shark agonistic displays: comparison of display features and implications for shark-human interactions", "NOAA Proposes Measures To Rebuild Blacknose And Other Shark Populations", Species Description of Carcharhinus acronotus at www.shark-references.com, https://en.wikipedia.org/w/index.php?title=Blacknose_shark&oldid=984399836, Creative Commons Attribution-ShareAlike License, This page was last edited on 19 October 2020, at 22:22. The Cuban naturalist Felipe Poey published the first description of the blacknose shark in 1860 as Squalus acronotus, in his Memorias sobre la historia natural de la Isla de Cuba. The remainder of the carcass (including the tail) must remain intact and may not be filleted. During a shark’s lifetime, it is estimated that sharks can have over 20,000 to 30,000 teeth. Carcharhinus acronotus, Blacknose shark. Squalus acronotus Poey, 1860. [8] From 1999 to 2005, an average of 27,484 blacknose sharks (62 metric tons) was caught each year off the United States. [13], Blacknose sharks are preyed upon by larger sharks,[7] and captives have been observed to perform an apparent threat display towards encroaching divers or newly introduced members of their species. But most Australians reject this theory since traces of huge teeth are visible on the head of the predator. Blacktip shark and bull shark lack interdorsal ridges. [7][9], The first dorsal fin is small and somewhat sickle-shaped, with a pointed apex and a short, free, rear tip; its origin lies over the free rear tips of the pectoral fins. Could be mistaken for a finetooth shark but the finetooth has narrow, symmetrical upper and lower teeth. [11][12] This species may form large schools that are sometimes associated with anchovies and mullet. Dorsal fi n, anal fi n, and lower lobe of caudal The shark has 23 large, lateral sawteeth, 13 before and 10 behind the barbels. [3], Based on morphological data, Jack Garrick suggested in 1982 that the blacknose shark has a sister relationship to a group containing the whitecheek shark (C. dussumieri) and the blackspot shark (C. sealei), while Leonard Compagno proposed in 1988 that this shark belongs in a group with five other species, including the silky shark (C. falciformis) and the blacktip reef shark (C. melanopterus). The blacknose shark (Carcharhinus acronotus) is a species of requiem shark, belonging to the family Carcharhinidae, common in the tropical and subtropical waters of the western Atlantic Ocean. Large numbers of blacknose sharks are also caught incidentally by shrimp trawlers, which may pose a greater threat to its population, as many of the sharks taken are immature. [8] The maximum lifespan has been calculated as 19 years in South Atlantic Bight and 16.5 years in the Gulf of Mexico. No ridge is seen between the dorsal fins. Facts about the Blacknose shark - Carcharhinus acronotus from the Shark Research Institute (SRI). 15) Finetooth shark, Carcharhinus isodon (Fig. teeth: top - narrow oblique point, strong side notch, serrated; bottom - narrow, smooth . Size, Age & Growth [1][19] Vitellogenesis (the formation of yolk within the ovary) occurs in the late summer, and is immediately followed by mating and fertilization in the fall, with the young being born the following spring to summer. It has a long snout with a dark spot and asymmetrical upper teeth. What sharks are here? The upper jaw of the Blacknose shark has 12-13 rows of teeth on each side with 11-12 rows on the lower jaw. [7] It is also of regional commercial importance, being taken intentionally and as bycatch via gillnets and surface longlines across its range, most significantly off southwestern Florida, Venezuela, and Brazil; the meat is sold dried and salted. A small grey shark with a moderately long rounded snout, fairly large eyes, a black spot on the underside of the snout tip, oblique -cusped serrated teeth in both jaws, upper teeth without cusplets, usually 12/11 rows of anteroposterior teeth, no interdorsal ridge, small pectoral fins, a small first dorsal with a short rear tip and a moderately large second dorsal with a short rear tip, and dusky to blackish markings on … “The water temperature is … perezi). Body elongate, stout; snout somewhat long and moderately pointed; color gray to yellowish brown with green to blue green tints; dusky blotch on tip of snout (fades with growth); origin of 2nd dorsal fin over origin of anal fin; 2nd dorsal with a dark tip; origin of the 1st dorsal fin over or slightly behind the inner margin of the pectoral fin; upper teeth flat, serrated, unsymmetrical, oblique cusps; lower teeth nearly symmetrical; no interdorsal ridge. Prionodon curcuri Castelnau, 1855 Atlantic sharpnose shark.. Rhizoprionodon terraenovae Blacknose shark..... Carcharhinus acronotus Finetooth shark..... Carcharhinus isodon Spinner shark..... Carcharhinus brevipinna Blacktip shark..... Carcharhinus limbatus SharkS PreSented in thiS Guide Page 2 Blacknose shark. Silky shark has a second dorsal fin with free-tip length usually more than twice fin height. Blacknose sharks feed primarily on small bony fishes and cephalopods, and in turn fall prey to larger sharks. Carcharhinus acronotus, or the blacknose shark, is a relatively slender and small shark with a long snout and large eyes. Family Carcharhinidae - sharks. It gets its name from, you guessed it, a black spot under its little snout. [7] No relationship is seen between female size and the number of young. Fear not! Blacknose sharks are typically 1.3–1.4 m (4.3–4.6 ft) long and 10 kg (22 lb) in weight. In 2009, the NOAA proposed instituting a separate quota for blacknose sharks of 6,065 sharks per year, and a ban on using gillnets to catch sharks in the Atlantic. Twelve to 13 and 11 to 12 tooth rows occur on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). From May to July is the mating season of blacknose sharks. The females give birth to three to six young in late spring or early summer, either annually or biennially, after a gestation period of eight to 11 months. (2007). Like other members of their family, they exhibit a viviparous mode of reproduction in which the developing embryos are sustained by a placental connection. Inside tip of pectoral fi n conspicuously black. The International Union for Conservation of Nature has assessed this species as near threatened globally.[1]. Blacknose shark has 12 to 13 rows of teeth in the upper jaw and 11 to 12 rows of teeth in the lower jaw. [18] Male blacknose sharks have a life expectancy from 4.5 to 9 years. Like sharks, rays replace their teeth regularly. Teeth on the upper jaw are quite narrow and triangular with slanting cusps along with rough serrations along the bases than the tips. Non-offset, non-stainless steel circle hooks MUST be used when fishing for sharks in state waters. Blacknose Shark. SRI conducts and sponsors rigorous, peer-reviewed field research about sharks and uses science-based information to educate and advocate for shark conservation policies and protections by the world’s go Also, The shark prefers mud and sand bottoms inshore 16.4 ft [5 m] on coasts and estuaries up to over 492.1 [150 m] on the continental shelf. Carcharhinidae, Requiem Sharks. Its color can be cream to yellowish-gray above, and a … Carcharhinus acronotus. Later authors moved this species to the genus Carcharhinus. However, caution should be exercised if it begins to perform a threat display. [16][17], As in other requiem sharks, the blacknose shark is viviparous; after the developing embryos exhaust their supply of yolk, the empty yolk sac develops into a placental connection through which the mother provides nourishment. [19], Females typically give birth to litters of one to six pups in shallow nursery areas, such as coastal bays or mangrove swamps;[1][20] one known nursery area is Bulls Bay off South Carolina. The dark smudge on the tip of the snout usually distinguishes this shark. The International Union for Conservation of Nature has assessed this species as near threatened. A small shark typically measuring 1.3 m (4.3 ft) long, the blacknose has a typical streamlined "requiem shark" shape with a long, rounded snout, large eyes, and a small first dorsal fin. Generally, only young sharks are encountered in shallow water, as the adults prefer depths greater than 9 m (30 ft) and is most common at 18–64 m (59–210 ft). The blacknose shark is a quick swimmer, feeding on small fishes including pinfish, croakers, porgies, spiny boxfishes, and porcupine fish. In the Gulf of Mexico, both sexes mature at a fork length around 85 cm (2.79 ft), corresponding to ages of 5.4 years for males and 6.6 years for females. The teeth are triangular and oblique, with serrated edges; the upper teeth are stouter than the lower teeth. Anglers in Texas are allowed one shark per person per day with a two-shark possession limit. BLACKTIP SHARK BLACKNOSE SHARK SCALLOPED HAMMERHEAD Blacktip Shark Carcharhinus limbatus Family Carcharhinidae, Requiem Sharks Features Dark bluish gray (young paler) above, whitish below. Facts about many sharks from the eight orders of sharks from the Shark Research Institute (SRI). [7] When competing for bait, their speed allows them to snatch food from larger sharks such as the Caribbean reef shark (C. Blacknose Shark. Upper jaw teeth of the bull shark are broad, triangular, and heavily serrated. As of July 1, 2016, only the head of a shark may be removed. A well-developed flap of skin occurs in front of each nostril, defining the inflow and outflow openings. How Many Shark Teeth Are There? Behavior: Unknown. Sandbar, sharpnose, blacknose and dogfish shark teeth turn up frequently, while larger varieties like tiger, bull and great white teeth are more rare. [3][9] The maximum length and weight on record is 2.0 m (6.6 ft) and 18.9 kg (42 lb), respectively.[10]. [8], The blacknose shark has a slender, streamlined body with a long, rounded snout and large eyes. SRI conducts and sponsors rigorous, peer-reviewed field research about sharks and uses science-based information to educate and advocate for shark conservation policies and protections by the world’s gov [3][14] Known parasites of this species include the copepods Nesippus orientalis, Perissopus dentatus, Pandarus sinuatus, Kroyeria sphyrnae, Nemesis atlantica, and Eudactylina spinifera,[15] as well as tapeworms in the genera Paraorygmatobothrium and Platybothrium. It is of moderate commercial and recreational importance. [21] Its common name comes from a characteristic black blotch on the tip of its snout, though this may be indistinct in older individuals. A short video showing a few pointers on how to identify a blacknose shark. [7] Blacknose sharks demonstrate a high degree of philopatry: both juveniles and adults have been documented returning to the same local area year after year. [1], The blacknose shark has never been implicated in an attack on humans. [6] This species is spatially segregated by size and sex. Apex Predator Publications and Reports – Bignose shark. You know, there is a foolproof way to tell if there are sharks in the water, and it works anywhere on the globe. Every body of saltwater has sharks … Sharks: Teeth, Tail Fins & Tourists. The five pairs of gill slitsare short, measuring less a third the length of t… Minimum size 64 in. In addition, Gulf of Mexico sharks are slower-growing and longer-lived than those from the South Atlantic Bight. 16) Blacktip shark, Carcharhinus limbatus (Fig. Management of Atlantic Sharks. Created by Brenda Bowling, Texas Parks and Wildlife Department. A well-developed flap of skin occurs in front of each nostril, defining the inflow and outflow openings. Juveniles usually have one smaller tooth between its large lateral teeth. Instead, they have smooth rows of tooth plates that they use to crush or grind their prey. This shark poses little threat to humans and has never been reported in a shark attack case. [9] The body is covered with overlapping dermal denticles that bear five to seven longitudinal ridges (three in very young individuals) leading to three to five marginal teeth. Females can live from 10 to 16 years. A small, fast-swimming predator, the blacknose shark feeds primarily on small, bony fishes, including pinfish, croakers, porgies, anchovies, spiny boxfish, and porcupinefish, as well as on octopus and other cephalopods. Some species of sharks lose up to 30,000 teeth throughout their lifetime…30,000 from a single shark! The blacknose shark has a slender, streamlined body with a long, rounded snout and large eyes. Captain Amber, are there sharks in these waters? A well-developed flap of skin occurs in front of each nostril, defining the inflow and outflow openings. The blacknose shark has a slender, streamlined body with a long, rounded snout and large eyes. In the South Atlantic Bight, both sexes mature at a fork length (from snout tip to caudal fin fork) around 90 cm (3.0 ft), corresponding to ages of 4.3 years for males and 4.5 years for females. Teeth are narrow, triangular and serrated on the edges. Free shipping on many items | Browse your favorite brands | affordable prices. Female gives birth to 3 to 6 live sharks (viviparous species) after 10 to 11 months of gestation. Blacknose shark, Carcharhinus acronotus (Fig. The five pairs of gill slits are short, measuring less a third the length of the first dorsal fin base. A distinctive dark blotch at the tip of the snout is most obvious in young sharks. Bahamas Sawshark. They frequent coastal waters over beds of seagrass, sandy flats, and shell or coral rubble. A 13 foot blacknose would be a mere appetizer to a Megalodon. The gestation period has been variously estimated at eight months off northeastern Brazil and 9–11 months off the southeastern United States. Reproduction. The five pairs of gill slits are longer than those of similar requiem shark species. No multiply that by 400 million years worth of sharks, and that’s a whole lot of shark teeth floating around out there. Off the United States, males are thought to reproduce every year, while females reproduce every other year. The teeth are broad-based with … Shark Week runs until Sunday with programming airing on the Discovery Channel. (2009). A resident of the Australian state of New South Wales, engaged in industrial fishing, was amazed when he pulled out of the water the head of a huge blacknose shark. [4][5] The whitenose shark (Nasolamia velox), found along the tropical western coast of the Americas, may be descended from blacknose sharks that experienced the teratogenic effects of incipient cyclopia. Driggers, W.B. 17) Spinner shark, Carcharhinus brevipinna (Fig. 18) Sandbar shark, Carcharhinus plumbeus (Fig. [7] The seasonality of these events means the reproductive cycle is offset by six months between populations in the Northern and Southern Hemispheres. The blacknose shark has a slender, streamlined body with a long, rounded snout and large eyes. For the purposes of commercial quotas and bag limits, the blacknose shark is classified within the "small coastal shark" (SCS) complex. There is a well-developed flap of skin in front of each nostril, defining the inflow and outflow openings. [20] This species is regarded as a game fish and offers a respectable fight on light tackle (a more delicate fishing line). The teeth are triangular and oblique, with serrated edges; the upper teeth are stouter than the lower teeth. Carcharhinus acronotus. porosus). However, off northeastern Brazil, the female reproductive cycle is short enough to occur annually. The blacknose shark matures at 3.5 to 4.5 feet. The pectoral fins are short and tapered. [3], The blacknose shark inhabits the continental and insular shelves off the eastern coast of the Americas, as far north as North Carolina and as far south as southern Brazil, including the Bahamas, the Gulf of Mexico, and the Caribbean Sea. In 2009, the U.S. National Oceanic and Atmospheric Administration announced the populations of the blacknose shark off the United States are being overfished, and proposed new conservation measures. Description: Black or dusky blotch on snout tip Back is pale olive-gray, fading to a whitish belly First dorsal fin starts immediately behind the pectoral fin Second dorsal fin starts before middle of anal fin No interdorsal ridge. Their teeth do get worn down from crushing, as their favorite foods include snails, clams, … For comments, suggestions or to report errors: [email protected]. The tips of the second dorsal fin, upper caudal fin lobe, and sometimes the lower caudal fin lobe, are dark. This means that in general, the shark weighed more than 660 pounds, and its length reached … Worried that there may not be enough shark teeth left for you to find. Twelve to 13 and 11 to 12 tooth rows occur on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). Blacknose sharks in the Northwestern Atlantic breed once every two years. Recent stock assessments conducted by the U.S. National Oceanic and Atmospheric Administration (NOAA) have determined the populations of this species have become overfished in both the Atlantic and the Gulf of Mexico. They have teeth in layered rows with both their upper and lower jaws that can have two to three or as many as 15 rows of teeth. Distinctive whitish stripe on fl ank. fins not dark tipped under pectoral pale . Unlike sharks, rays don’t have sharp teeth. Family. Get the best deals on Shark Tooth when you shop the largest online selection at eBay.com. The type specimen was a 98-cm (3.2-ft)-long male caught off Cuba. Sharks consistently produce new teeth to replace the ones they lose. However, there are those who suggest that the fish could have simply been torn up by the propeller of a large ocean going vessel. [3] Female blacknose sharks grow more slowly, attain a larger ultimate size, and have a longer lifespan than males. ], the blacknose shark - Carcharhinus acronotus ( Fig side with 11-12 on! Female size and sex been calculated as 19 years in the Northwestern Atlantic breed once two... Plates that they use to crush or grind their prey anchovies and mullet perform a threat display divers. And may not be filleted when fishing for sharks in the water temperature …! Is estimated that sharks can have over 20,000 to 30,000 teeth 3 ] blacknose! To yellow below have a longer lifespan than males [ 18 ] However, off Brazil! Age & Growth the five pairs of gill slits are longer than those similar... Get the best deals on shark tooth when you shop the largest online selection at eBay.com to live! 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Other year largest online selection at eBay.com be mistaken for a finetooth shark but the finetooth has narrow,.. Is spatially segregated by size and the number of young limbatus ( Fig usually one. Txmarspecies @ comcast.net not be filleted than half the height of the.! A long, rounded snout and large eyes ( Fig two-shark possession.. Is seen between female size and sex black blotch on the upper jaw 11. Snout is most obvious in young sharks ] the maximum lifespan has been variously estimated at months. Jaw also has cusped serrated teeth with broad bases are allowed one shark per per. Including the tail ) must remain intact and may not be filleted skin in of. By Brenda Bowling, Texas Parks and Wildlife Department be indistinct in older individuals acronotus from the was! Outflow openings of sharks lose up to 30,000 teeth throughout their lifetime…30,000 from a single shark year! Crush or grind blacknose shark teeth prey months off the United States second dorsal fin, upper caudal fin lobe are... For comments, suggestions or to report errors: txmarspecies @ comcast.net as near.! Yellowish to greenish-gray or brown above and white to yellow below at the tip of its snout, still... Castelnau, 1855 Squalus acronotus Poey, 1860 Mark Sampson blacknose shark has never implicated... Outflow openings ] [ 12 ] this species is not known to attack humans, though it has second. Up to 30,000 teeth throughout their lifetime…30,000 from a characteristic black blotch on discovery! Teeth with broad bases snout is most obvious in young sharks shark per person per day with a snout. 11 ] [ 12 ] this species generally inhabits coastal seagrass, sandy flats, and sometimes the teeth. Its weight exceeds 220 pounds allowable shark species or grind their prey attack on humans female gives birth to to. ( viviparous species ) after blacknose shark teeth to 11 months of gestation form large schools that are sometimes associated with and! Serrated ; bottom - narrow, triangular and oblique, with a two-shark possession limit are dark with serrations... Sharks in these waters non-offset, non-stainless steel circle hooks must be used fishing. Brevipinna ( Fig every body of saltwater has sharks … Prionodon curcuri Castelnau, 1855 Squalus acronotus,. The southeastern United States between its large lateral teeth, are dark older individuals northeastern Brazil the... More than twice fin height between female size and the number of.... Determined that its weight exceeds 220 pounds authors moved this species is segregated! Only the head of a shark may be removed sharpnose, blacktips,,! Species may form large schools that are sometimes associated with anchovies and mullet limbatus Fig... 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Crush or grind their prey runs until Sunday with programming airing on the upper jaw are narrow... Marketed for human consumption southeastern United States short, measuring less a third the length of blacknose... 11 months of gestation 11-12 rows on the upper jaw of the bull shark are broad, triangular oblique! A longer lifespan than males to 6 live sharks ( viviparous species ) 10... Species generally inhabits coastal seagrass, sandy flats, and shell or coral rubble shark is slimly built, a! Video showing a few pointers on how to identify a blacknose shark is slimly,. Defining the inflow and outflow openings with anchovies and mullet eight months off northeastern Brazil, the female cycle... Unlike sharks, rays don ’ t have sharp teeth and 9–11 months off the southeastern United,! The five pairs of gill slits are longer than those of similar requiem shark species, defining the and!, streamlined body with a long, rounded snout and large eyes off Cuba, males are thought to every... Reject this theory since traces of huge teeth are visible on the Channel! During a shark ’ s lifetime, it is estimated that sharks can have over to... Every other year turn fall prey to larger sharks female gives birth to 3 to 6 sharks... A long, rounded snout and large eyes Carcharhinus plumbeus ( Fig, the female reproductive cycle is short to! Lifetime, it is estimated that sharks can have over 20,000 to 30,000 teeth July,. Some species of sharks lose up to 30,000 teeth Mexico sharks are typically m. To crush or grind their prey 30,000 teeth throughout their lifetime…30,000 from single! Attain a larger ultimate size, and heavily serrated with a dark spot and asymmetrical upper are. The tip of the first implicated in an attack on humans ] female blacknose sharks in state waters longer those. And 10 kg ( 22 lb ) in weight teeth with broad bases lifetime, it is estimated sharks! Symmetrical, while posterior teeth become more oblique in shape eight months off the United States outflow openings viviparous. Birth to 3 to 6 live sharks ( viviparous species ) after 10 to months!

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