The belly or lower part of the fish is the ventral region ... Bodies: The shape of a fish's body depends on the fish's habits. For example, the body may be streamlined for faster swimming ...

The belly or lower part of the fish is the ventral region ... Bodies: The shape of a fish's body depends on the fish's habits. For example, the body may be streamlined for faster swimming ...

This is, essentially, all dark meat: parts of the body that are continuously used and develop tougher muscle, in contrast to the short-burst muscles of white meat. Not All Fish Coloring Is Because ...