What are the electroreceptors in the head of sharks, skates, and rays capable of detecting week electrical signals produced by muscular activity in other creatures?

What other animals are in Class Chondrichthes that aren't sharks?

Cartilaginous fish are different from most bony fish because...

What are the pair of holes used by skates/rays in their respiratory system?

What is the top fin called?

What is an adaptation by sharks that enhances visual sensitivity under low light conditions.

What type of ventilation method do cartilaginous fish use?

Modified pelvic fins known as claspers are used for...

Which Class does sharks, skates, rays and bony fish belong to?

What is the tail fin called?

Which fin is used for balance?

All organisms with a spinal cord are members of this phylum

In what CLASS does this species belong?

Part of an animal's camouflage, with a lighter bottom and darker top.

TRUE OR FALSE: Sharks & rays were the first type of fish with paired fins and true jaws

The presence of ___ will tell you a shark is a male

What does the fish class name "Agnatha" mean?

Which fish class would a lamprey be classified in?

The two main groups of Agnathan fish are:

The fish class name "Chondrichthyes" means:

Which of the following fish would NOT belong to Class Chondrichthyes?

Claspers are used for:

Which structure is found in BOTH Class Chondrichthyes (cartilage fish) & Class Osteichthyes (bony fish)?

Which is a characteristic of ALL fish?