Paired fins

(Zool.) the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals.
(Zool.) See under Fin.

See also: Fin, Pair

References in periodicals archive ?
What high-priority functions do the paired fins have in this species?
Its colour is given as beige-grey, a yellow-gold head with greenish hue, paired fins yellow, body with dark brown blotches except on the head, fewer on belly, with a purple shimmer depending on the light (Kramer et al.
Paired fins of jawless vertebrates and their homologies across the agnathan-gnathostome transition.
Color: Main body color greyish with yellowish tinge on the dorsal side, becoming scarlet or sometimes silvery orange on the lateral sides; ventral side cream colored; paired fins and anal fin pale with yellowish tinge; dorsal fin and caudal fin greyish.
The paired fins under its body are almost leg-like, paddle-shaped in outline.
Therefore, the dorsoventral flattening and the development of paired fins (which increase the area of contact with the substrate; Kerfoot-Jr.
The notorious round goby, for example, which has invaded the Great Lakes and is now moving to inland lakes, is easily recognized by its lower paired fins that are attached to form a disc--a characteristic not found in any of Ontario's native fishes.
Color changes included a more intense yellowing of the paired fins and a darkening of the blue, if present, on the body and head.
These animals, which lived during the Devonian period about 365 million years ago, were among the earliest vertebrates (backboned animals) with fore- and hindlimbs rather than paired fins.
His dorsal and paired fins remained fully extended and his head was angled slightly downwards such that his body nearly paralleled the nest's upstream slope.
In this case, shared developmental mechanisms pattern the skeletons of vertebrate gill arches and paired fins," he added.