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The underside is white; adults in the Southern Hemisphere often have dark coloring under the head and dusky blotches scattered over the belly. The free rear tip of the first dorsal fin is abruptly light gray or white, a feature unique to this species.
Pages in category "Sharks in art" The following 5 pages are in this category, out of 5 total. ... This page was last edited on 6 January 2014, at 15:53 (UTC).
Mackerel sharks, also called white sharks, are large, fast-swimming sharks, found in oceans worldwide. They include the great white, the mako, porbeagle shark, and salmon shark. Mackerel sharks have pointed snouts, spindle-shaped bodies, and gigantic gill openings. The first dorsal fin is large, high, stiff and angular or somewhat rounded.
Isurus (meaning "equal tail") [2] is a genus of mackerel sharks in the family Lamnidae, commonly known as the mako sharks. They are largely pelagic, [ 3 ] and are fast, predatory fish capable of swimming at speeds of up to 50 km/h (31 mph).
Newly hatched sharks measure 10–13 cm (3.9–5.1 in) long and have a contrasting dorsal pattern of light and dark vertical bars, sometimes with black and white dots. At 3 months old, the young have grown by 4–5 cm (1.6–2.0 in) and their coloration has faded to match that of the adults. [ 11 ]
This shark is a pale grayish-brown above and white below, with an obvious white band on the sides extending forward from above the anal fin. All the fins have black tips highlighted by lighter-colored borders, which are especially striking on the first dorsal fin and lower caudal fin lobe.
The frilled shark eats a diet of cephalopods, Nudibranchs, smaller sharks, and bony fish; [2] 60 percent of the diet is composed of squid varieties, such as the Chiroteuthis, the Histioteuthis, and the Onychoteuthis, the Sthenoteuthis and the Todarodes; [17] and other sharks, as indicated by the stomach contents of a 1.6 m (5.2 ft)–long ...
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. Its common name comes from a characteristic black blotch on the tip of its snout, though this may be indistinct in older individuals.