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Fish fins dorsal anal

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The anal fin, is used to stabilize the fish while it is swimming. The anal fish helps them stabilize themselves. Yes, the anal fin of a fish is the bottom fin below the anal opening. The anal fin helps a fish to stabilize themselves in the water. For most fish, the dorsal fin keeps them from rolling over in the water stability , and to help them make sudden turns.
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Atlantic Shark ID Guide

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What is the function of the anal fin on a fish

Fish anatomy is the study of the form or morphology of fishes. It can be contrasted with fish physiology , which is the study of how the component parts of fish function together in the living fish. The anatomy of fish is often shaped by the physical characteristics of water , the medium in which fish live. Water is much denser than air , holds a relatively small amount of dissolved oxygen , and absorbs more light than air does. 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 made of cartilage, in cartilaginous fish , or bone in bony fish. The main skeletal element is the vertebral column, composed of articulating vertebrae which are lightweight yet strong.
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The Complete Anatomy of a Fish

The Parts of the Tilapia are the eyes, the spiny dorsal fin, the softy dorsal fin, caudal fin, anal fin, vent, scles, pelvic fins, pectoral fins and the operculum. If you what to know what they are use for let me know. Pectoral Dorsal Pelvic Caudal Anal and im not sure what the 6th one is. Fish generally have 7 or 8 fins in total.
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Fish come in many shapes, colors and sizes. There are thought to be over 20, species of marine fish. But all bony fish fish that have a bony skeleton, as opposed to sharks and rays, whose skeleton is made of cartilage have the same basic body plan. This includes a notochord, head, tail, and rudimentary vertebrae. Most often, the fish body is fusiform, so it is fast-moving, but it can also be known as filiform or eel-shaped and vermiform or worm-shaped.
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