Fish Anatomy

Best described as similar to our inner ear the fish uses this organ to sense movement proximity to objects and in some cases fish in dark waters find their food through this organ. In many respects fish anatomy is different from humans and mammals.

Student Worksheet Bony Fish Anatomy Australian Herring

Fish have several types of fins and they may have stiff rays in them to keep them upright.

Fish anatomy. Connects the brain to the rest of the body and relays sensory information from. Fish such as catfish have another fleshy lobe behind the dorsal fin called an adipose fat fin that is not illustrated here. Fish anatomy explained fins.

Slender torpedo shaped fish are better adapted to moving waters. Fish have gills for breathing. The control center of the fish where both automatic functions such as respiration.

Tall bodied laterally compressed species like discus and angelfish are adapted to life in slow moving waters. The primary structural framework upon which the fishs body is built. This involves inhaling water through its mouth.

Most fish have scales covered with a slimy mucus that helps protect them. Surface dwelling fish have an upturned mouth a flattened back. The lateral line of the fish is sensory organ of the fish anatomy.

They are either single fins along the centerline of the fish such as the dorsal back fins caudal tail fin and anal fin or paired fins which include the pectoral chest and pelvic hip fins. The x ray tetra pristella maxillaris has a visible backbone. Bottom dwelling fish have flattened bellies and inferior mouths.

The head or skull includes the. There are two different skeletal types. Internal fish anatomy spine.

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