Fish Flashcards

Front

Which group represents the first vertebrates to inhabit the oceans?

Back

jawless fish

Front

About how many species of fish are known?

Back

30,000

Front

Do jawless fish such as hagfish and lampreys have bony vertebrae?

Back

False

Front

Sharks, skates, and rays are animals that have bony skeletons.

Back

False

Front

An animal with a circular, jawless mouth covered in sharp teeth, attached to the side of a fish. What parasitic animal is this?

Back

lamprey

Front

What are the fins located on the top/back closest to the spine of a fish called?

Back

dorsal fin

Front

What type of scales do most bony fish have?

Back

ctenoid scales

Front

Which group of fish have skeletons made primarily of cartilage?

Back

Chondrichthyes

Front

Which fin do fish primarily use for steering and stability?

Back

dorsal fin

Front

Fish are members of this subphylum

Back

Vertebrata