It is a type of jawless fish
What is a lamprey or hagfish?
It runs along the back and connects the brain to the rest of the body
What is the spinal cord
It's what their skeleton is made of.
What is cartilage?
It is how most ray-finned fish reproduce
What is externally?
It is the shape of seaweed eating fish.
What is coiled?
It has a sucker like mouth
What is a lamprey
The ability to detect electrical signal.
What is electroreception?
It's how many varieties of sharks there are
What is over 500?
It helps them control their buoyancy in water.
What is a swim bladder?
It's how many chambers a shark's heart has.
What is 2?
It has a sucker-like mouth filled with teeth
What is a lamprey?
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?
It's the feature of a sharks body that enables it to swim really fast.
What is streamlined?
Structures used to detect food, predators and potential mates. It is their sense of smell.
What is olfactory sacs?
It is what the egg sac of sharks are sometimes called.
What is a mermaid's purse?
It has a more eel-like body and produces a lot of slime.
What is a hagfish?
These are tiny organs near the snout that detect electric fields produced by other animals
What are the Ampullae of Lorenzini?
It's the name of a young shark.
What is pup?
It is a tube-like structures through which food passes and it secretes digestive enzymes.
What is a pyloric caeca?
They are colored pigments in the skin.
What are chromatophores?
They usually eat dead or dying animals by burrowing into them and eating them from the inside out.
What is a hagfish?
It is the class to which cartilaginous fish belong.
What is Chondrichthyes?
It's the name of the shape of a ray.
What is dorsoventrally flattened?
It is the class to which bony fish belong
What is Osteichthyes?
It's the term used for carrying a baby in the mother, in other words, they don't lay eggs.
What is vivparity?