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The blackspot shark feeds on small fish, crustaceans, and squid, and is not dangerous to man. [3] It is a fast-growing, short-lived species. It is mature at about one year old at a length around 70 cm (28 in) and can live for five years or more. Like other members of its genus, the blackspot shark is viviparous.
Growing to 60 cm (24 in) long, this small, stocky shark has a wide, flattened head with a rounded snout and a large flap of skin extending from before the nostrils to the mouth. Its dorsal coloration is extremely variable and may feature black-edged orange to blackish saddles and/or white spots on a light brown to nearly black background.
The lack of small dark spots on their dorsal fins sets them apart from other Hemiscylliidae. The males and the unsexed sharks grow to an average of 78.3 cm in length. The males and the unsexed sharks grow to an average of 78.3 cm in length.
The horn shark's dermal denticles are small and smooth, numbering some 200/cm 2 on the back in adults. [2] The dorsal coloration consists of various shades of gray or brown with many small dark spots, though these may be absent in older sharks; the underside is yellowish. There is a dark patch of small spots below the eye.
The common name of this shark comes from the very large, white-margined black spot behind each pectoral fin, which are reminiscent of military epaulettes. A small species usually under 1 m (3.3 ft) long, the epaulette shark has a slender body with a short head and broad, paddle-shaped paired fins.
A small species reaching a maximum known length of 73 cm (29 in), the dark shyshark has a stocky body and a short, broad head. The snout is blunt and dorsally flattened. The eyes are large and oval-shaped, with a rudimentary nictitating membrane (protective third eyelid) and a strong ridge underneath.
The eastern spotted gummy shark has tall dorsal fins, with its first dorsal-fin base being 1.6-2.0 times the anal-caudal space, with the insertion of the anal fins usually being over its apex. Juveniles have caudal fins with distinctive whitish posterior margins and the bases and inner lobes of their dorsal fins are not strongly contracted to ...
The Mexican hornshark (Heterodontus mexicanus) is a bullhead shark of the family Heterodontidae. This shark is grey-brown in color, with black spots scattered on the fins and body. It has a cylindrical trunk, conical head, and small spiracles behind the eyes. The snout of the Mexican hornshark is very round and blunt.