Jawless Fish Flashcard

Front

What is the mouth shape of parasitic lampreys that allows them to attach to their host?

Back

Disc-shaped.

Front

True or False: Hagfish are blind bottom-dwellers that feed on dead or dying fish.

Back

True.

Front

What is one of the most well-known features of a hagfish?

Back

Their ability to produce enormous quantities of slime.

Front

What superclass do all jawless fish belong to?

Back

Agnatha.

Front

What substance do lampreys inject into wounds to promote blood flow?

Back

Anticoagulant.

Front

Define 'Agnatha'.

Back

A superclass of jawless fish.

Front

What is the primary diet of hagfish?

Back

Dead or dying fish.

Front

How do lampreys feed on their hosts?

Back

By attaching with their disc-shaped mouth and sucking blood.

Front

What is the significance of slime production in hagfish?

Back

It helps them escape predators and suffocate prey.

Front

What are the two main types of jawless fish?

Back

Lampreys and hagfish.