A shark skeleton is made from this.
What is cartilage?
With a sharp, venom-filled tail, this is the most common type of ray.
What is a stingray?
This is the largest fish in the sea.
What is the whale shark?
A hagfish will produce massive quantities of this when frightened.
What is slime?
A cartilaginous fish has these skin openings leading to the gills.
What are gill slits?
This type of ray can deliver a powerful shock.
What is an electric ray?
If a shark tooth is 3 inches long, it came from a shark of this body length.
What is 30 feet?
This type of jawless fish sucks the blood and life from its victim.
What is a lamprey?
A ray has breathing holes on top of its body called this.
What are spiracles?
Although a gentle creature, sailors gave the mantra ray this nickname.
What is a devilfish?
This flat-headed shark is sometimes called a ground shark.
What is a hammerhead shark?
Unlike most fish, a hagfish skeleton does not include this.
What is a backbone?
A cartilaginous fish has tooth-like scales called this.
What are dermal denticles?
This type of ray has a snout that looks like something used to cut down trees.
What is a sawfish?
This is the most common type of shark?
What is a dogfish?
A jawless fish is placed in this class.
What is Agnathan?
This is the class to which sharks and rays belong.
What is Chondrichthyes?
This type of ray swims by flapping its fins like a bird.
What is an eagle ray?
These are the receptors that a shark uses to sense electrical movements in water.
What is ampullae of Lorenzini?
A lamprey is considered this because it is born in freshwater then lives in the ocean as an adult.
What is anadromous?