WebMar 12, 2024 · The body of a fish is divided into three main sections: the head, the trunk, and the tail. The head houses the brain and the eyes, the nostrils, and it also contains the mouth. The trunk is the main body of the fish, and it includes the skeleton, the spinal cord, and all of the internal organs. The tail helps to propel the fish through water. WebDec 19, 2016 · Pectoral fins originate behind the head and extend outwards. These fins are used for steering during swimming and help to provide the shark with lift. Pelvic fins are found near the claoca and are also stabilizers. In males they have a secondary function as they are modified into copulatory organs called claspers. Anal fins may be absent, but ...
PECTORAL FIN definition Cambridge English Dictionary
Webpectoral fin - either of a pair of fins situated just behind the head in fishes that help control the direction of movement. fin - organ of locomotion and balance in fishes and some … WebOct 20, 2024 · Skeleton and development (Figs. 1, 2) Early in development, polynemid larvae have a pectoral-girdle and fin morphology comparable to that of generalized percomorphs, that is, with a pectoral fin ... product branding agency los angeles
13 Body Parts of a Fish and Their Uses (Common Fish Anatomy)
WebFish anatomy. Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. [1] In practice, … WebThe zebrafish, Danio rerio of the Cyprinidae family, is a small, dark blue and yellow striped, shoaling, teleost fish, popular among aquarium enthusiasts, and increasingly among the research community (Fig. 7.12).The adult fish are 4–5 cm in length, with an incomplete lateral line and two pairs of barbels (Laale, 1977).Males have larger anal fins and more … WebMar 1, 2003 · For the purpose of distinguishing turning from braking, ... The pectoral fins' trailing edges are elevated and protracted resulting in a characteristic `cupping' of the fins along their longitudinal axes. These fin motions decelerate the body and cause the snout to pitch ventrally (at 375 ms;E,F). ... By definition, ... rejection 11 crossword