Jawless Fish
Cartilaginous Fish - Nervous System
Sharks and Rays
Bony Fish
Cartilaginous Fish - Misc.
100

It is a type of jawless fish

What is a lamprey or hagfish?

100

It runs along the back and connects the brain to the rest of the body

What is the spinal cord

100

It's what their skeleton is made of.

What is cartilage?

100

It is how most ray-finned fish reproduce

What is externally?

100

It is the shape of seaweed eating fish.

What is coiled?

200

It has a sucker like mouth

What is a lamprey

200

The ability to detect electrical signal.

What is electroreception?

200

It's how many varieties of sharks there are

What is over 500?

200

It helps them control their buoyancy in water.

What is a swim bladder?

200

It's how many chambers a shark's heart has.

What is 2?

300

It has a sucker-like mouth filled with teeth

What is a lamprey?

300

It is a line of sensory hairs along the sides of the body that detect water movements and vibrations, helping the fish sense what's around them.

What is the lateral line system?

300

It's the feature of a sharks body that enables it to swim really fast.

What is streamlined?

300

Structures used to detect food, predators and potential mates. It is their sense of smell.

What is olfactory sacs?

300

It is what the egg sac of sharks are sometimes called.

What is a mermaid's purse?

400

It has a more eel-like body and produces a lot of slime.

What is a hagfish?

400

These are tiny organs near the snout that detect electric fields produced by other animals

What are the Ampullae of Lorenzini?

400

It's the name of a young shark.

What is pup?

400

It is a tube-like structures through which food passes  and it secretes digestive enzymes.

What is a pyloric caeca?

400

They are colored pigments in the skin.

What are chromatophores?

500

They usually eat dead or dying animals by burrowing into them and eating them from the inside out.

What is a hagfish?

500

It is the class to which cartilaginous fish belong.

What is Chondrichthyes?

500

It's the name of the shape of a ray.

What is dorsoventrally flattened?

500

It is the class to which bony fish belong

What is Osteichthyes?

500

It's the term used for carrying a baby in the mother, in other words, they don't lay eggs.

What is vivparity?