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Mahi-mahi have compressed bodies and one very long dorsal fin extending from the head almost to the tail fin. Mature males have distinctive "foreheads"; it grows as the fish matures and often protrudes well above the body proper, which is streamlined by the musculature of the back. This "hump" is a sexually dimorphic feature; females have a ...
A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages.
Leptoid scales are found on higher-order bony fish. As they grow they add concentric layers. As they grow they add concentric layers. They are arranged so as to overlap in a head-to-tail direction, like roof tiles, allowing a smoother flow of water over the body and therefore reducing drag . [ 3 ]
The U.S. Fish and Wildlife Service and Arizona Game and Fish Department have confirmed the tragic death of Hope, a Mexican gray wolf (F2979) who had been living west of Flagstaff, Arizona, since June.
The pompano dolphinfish (Coryphaena equiselis) is a species of surface-dwelling ray-finned fish found in tropical and subtropical waters. They are one of only two members of the family Coryphaenidae, the other being the mahi-mahi or common dolphinfish. [2] Pompano dolphinfish have a lifespan of three to four years.
Lepidophagy, or scale-eating, has been reported in a range of fish, including: Chanda nama (family Ambassidae), [4] Plagiotremus (family Blenniidae), [5] Terapon jarbua (family Terapontidae), [1] a few Ariopsis and Neoarius species (family Ariidae), [6] Pachypterus khavalchor (family Pachypteridae), Macrorhamphoides uradoi (family Triacanthodidae), several pencil catfish (family ...
Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea.Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales, which include the false killer whale and pilot whale).
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