Search results
Results from the WOW.Com Content Network
The megamouth shark is an extremely rare species of deepwater shark, and the smallest of the three filter-feeding sharks. Since its discovery in 1976, only a few megamouth sharks have been seen, with 55 specimens known to have been caught or sighted as of 2012, including three recordings on film.
Ground sharks, like this blacknose shark, have a nictitating membrane which can be drawn over the eye to protect it.. Carcharhiniformes / k ɑːr k ə ˈ r aɪ n ɪ f ɔːr m iː z /, commonly known as Ground Sharks, are the largest order of sharks, with over 270 species.
A Not yet described (mini gulper shark) Centrophorus sp. B Not yet described (slender gulper shark) Genus Deania D. S. Jordan & Snyder, 1902. Deania calcea R. T. Lowe, 1839 (bird-beak dogfish) Deania hystricosa Garman, 1906 (rough long-nose dogfish) Deania profundorum H. M. Smith & Radcliffe, 1912 (arrow-head dogfish)
The Australian blackspot shark or Coates's shark (Carcharhinus coatesi) is a species of requiem shark found off northern Australia (from Shark Bay in Western Australia to Fraser Island in Queensland) and possibly also off the coast of New Guinea. [2] It belongs to a species complex of Blackspot sharks in the family Carcharhinidae. [2]
The Pseudotriakidae are a small family of ground sharks, belonging to the order Carcharhiniformes, containing the false catsharks (genera Pseudotriakis and Planonasus) and gollumsharks (genus Gollum).
This species is considered harmless to humans. [2] Magnificent catshark (Proscyllium magnificum) A newly discovered species within the family Proscyllidae, it has little supporting research. It is tan in coloration with dark spots and blotches. [3] The body is considered slender and firm. This species grows to be at least 450 mm in length.
The teeth are in several series; the upper jaw is not fused to the cranium, and the lower jaw is articulated with the upper. The details of this jaw anatomy vary between species, and help distinguish the different elasmobranch clades. The pelvic fins in males are modified to create claspers for the transfer of sperm. There is no swim bladder ...
Megachasma is known from a single living species, Megachasma pelagios. [ 2 ] [ 3 ] In addition to the living M. pelagios , however, two extinct megamouth species – the Priabonian M. alisonae [ 4 ] and the Oligocene – Miocene M. applegatei – have also recently been proposed on the basis of fossilized tooth remains.