The movement and positioning of the fins also come into play when smaller ... also aids in respiration by bringing water to the animal's gills, which in turn filter oxygen into its bloodstream.

A vibrant aquatic and bright fish with electric blues, oranges, and greens, this fish looks a lot like painted by an artist. This fish has zebra stripes on its body with flowing fins and is considered ...

Fish are animals that live in water and breathe through their gills. Gills are like underwater lungs. They have scaly skin that helps them to move through the water and fins that help them swim.

A fish (with scales and gills) clearly resembling a tetrapod (with a flat head, a neck and prototypes of terrestrial limb bones in its lobelike fins), it ... even propel the animal in shallow ...

which is attached to the gills and functions similarly to a human lung. Although the species is renowned for its stunning appearance, wild bettas are smaller with shorter fins, and are a dull gray ...

Ask most people what makes a fish a fish and they will list key traits, such as fins, scales, and perhaps most importantly, ...

The coelacanth has gills similar to those of fish living ... Coelacanths even move their paired fins much like land animals move their limbs: the right pectoral fin moves in conjunction with ...

MADDIE: Animals are a really important ... They have scales on their bodies and fins to help them swim. Fish are able to breathe underwater using their gills. There are lots of different types ...

And because it is a very large animal that depends ... deploys special fins to funnel the seawater in, and filters out the tiny morsels with its comb-like gill plates. Those plates, made of ...

contains the back gills and ridges that help with movement. The third segment is the tail, or telson, which looks like a big stinger but is used to help these animals flip if overturned and acts ...