The body of a fish is divided into a head, trunk and tail, although the divisions between the three are not always externally visible. The skeleton, which forms the support structure inside the fish, is either …

Below is a diagram of the anatomy of a typical fish. Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved …

May 11, 2025 · Fish come in many shapes, colors and sizes. There are thought to be over 20,000 species of marine fish. But all bony fish (fish that have a bony skeleton, as opposed to sharks and …

The external anatomy of a fish can reveal a great deal about where and how it lives. When describing the basic anatomy of an organism, it is useful to have some common terms to help with orientation.

May 8, 2025 · Explore essential fish body parts including dorsal, caudal, anal, pelvic, and pectoral fins with clear illustrations. Learn the function of each structure in swimming, stability, and movement.

Oct 22, 2025 · The fish anatomy shows functions of the different organs. In this article, here discuss the fish anatomy, and how to create a kidney diagram with ease.

External and internal features may be familiar because it is common to see fishes up close, e.g. in an aquarium, at a fish market, or one you've just caught. Explore the diagram below to learn the names …