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The dorsal fin has 15 to 17 spines and 8 to 9 soft rays and the anal fin has 3 spines and 4 to 5 soft rays. There is a deep notch in the pectoral fin and the caudal fin is rounded. The general color of this fish is bright red with varying amounts of black on the fins and a pale-colored gill chamber. [2]
Dorsal view of right-bending (left) and left-bending (right) jaw morphs [45] Fish jaws, like vertebrates in general, normally show bilateral symmetry. An exception occurs with the parasitic scale-eating cichlid Perissodus microlepis. The jaws of this fish occur in two distinct morphological forms. One morph has its jaw twisted to the left ...
The African sharptooth catfish is a large, eel-like fish, usually of dark gray or black coloration on the back, fading to a white belly. In Africa , this catfish has been reported as being second in size only to the vundu of the Zambesian waters, [ 4 ] although FishBase suggests the African sharptooth catfish surpasses that species in both ...
Acanthopterygii (meaning "spiny-finned one") is a superorder of bony fishes in the class Actinopterygii.Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name is often given to the class Actinopterygii as a whole.
These fish are not known for great battles or for large size, although the larger specimens may provide good sport. [11] According to the Oregon Department of Fisheries and Wildlife, the sport harvest of nearshore rockfish (such as quillback, copper and china rockfish) off the Oregon coast has been 6-12 metric tons annually between 2004 and 2009.
The bonnethead (Sphyrna tiburo), also called a bonnet shark or shovelhead, [3] is a small member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae.It is an abundant species in the littoral zone of the North Atlantic and the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be ...
Their mouths consist of 80 to 100 razor-sharp teeth, being rather small and feeble. They are shaped in an eel-like elongation, with large eyes, gill rakers that range from moderate to long and numerous, and spineless fins.
Atlantic sharpnose sharks can be found as far north as New Brunswick, Canada, to as far south as the southern Gulf of Mexico. Reports of specimens from Brazil are likely being confused with the Brazilian sharpnose shark. Atlantic sharpnose sharks prefer to live in warmer shallow coastal waters.