Which is an unusual species of sharks?

Which is an unusual species of sharks?

Catsharks belonging to the genus Apristurus have been found in almost all oceans, including the Arctic, but not the Antarctic. They are mostly found at depths from about 200–2200 metres and prefer slopes, seamounts, deep-sea ridges, and trenches.

Why do sharks not bite divers?

The most common reason is likely to be that they get confused. Surfers or swimmers are mistaken for more natural prey such as seals, which spend a lot of time on the surface. The chances are the shark just takes a single bite then realizes its mistake. Sharks might also attack a human if they’re feeling threatened.

What kind of color does a blue shark have?

The blue shark displays a brilliant blue color on the upper portion of its body and is normally snowy white beneath. The mako and porbeagle sharks also exhibit a blue coloration, but it is not nearly as brilliant as that of a blue shark. In life, most sharks are brown, olive, or grayish.

What type of shark is this?

Mandarin dogfish). Genus Squalus Linnaeus, 1758. Squalus acanthias Linnaeus, 1758 (Spiny dogfish). Squalus acutipinnis Regan, 1908 (Blunt-nose spiny dogfish). Squalus albifrons Last, W. T. White & J. D. Stevens, 2007 (Eastern highfin spurdog). Squalus altipinnis Last, W. T. White & J. D. Stevens, 2007 (Western highfin spurdog)…

Where are blue sharks found in the Pacific Ocean?

In the eastern Pacific, blue sharks are found from Chile to the Gulf of Alaska, but not in the tropics. It is common off southern California most of the year, but during warm water periods occurs much further north. Natural History: Blue sharks do not mature until they attain a length of 7 or 8 feet.

What kind of shark has long pectoral fins?

The shark has long pectoral fins that have white coloring at their tips. Other common names for this shark include sand bar shark, silvertip shark, and lesser white shark. This is a type of shark that prefers deep, warm waters of the Atlantic, Pacific, and Indian oceans.