WebThe contractions whip the tail fin against the water to propel the fish through the water. Most fish have a swim bladder. This is a balloon-like internal organ that contains gas. By … WebAny fish can be described as an aquatic vertebrate that has fins and breathes with gills. However, there are fish that can easily do without fins, and there are those that breathe …

Fish Definition, Species, Classification, & Facts Britannica

WebEach variety is adapted to its own specific habitat. The shape of the fish helps the aquarist to determine the fish habitat. For example, surface dwelling fish have a reversed mouth and a compressed back. Tall … WebFeb 13, 2024 · whale shark, (Rhincodon typus), gigantic but harmless shark (family Rhincodontidae) that is the largest living fish. Whale sharks are found in marine environments worldwide but mainly in tropical … darth borger

External body parts of a bony fish (Lutjanidae)

WebFeb 12, 2024 · One of the most notable features of fish are their fins - many fish have a dorsal fin and anal fin (near the tail, on the underside of the fish) that provide stability. They may have one, two or even three … Web1.-Brisingida. This order is comprised by more than one hundred species, six families and seventeen genres. The starfish of this order have a small inflexible disk and between 6 and 20 long and thin arms. They live almost exclusively in deep-water habitats, although some inhabit the shallow waters of Antarctica. WebThe External Parts of a Fish. Other than sharks, whose fins are more like the flippers we associate with dolphins, most fish have fins constructed of spines (or softer rays), supporting a webbed structure. These are the … bissell readyclean powerbrush plus manual