Fish regulate their body temperature by external means. This makes them...
What is cold blooded?
3 regions on the structure of a fish
overlapping bony plates that protrude from the fish's skin
What are scales?
What it cartilage?
largest shark
What is the whale shark?
Which classification of fish make up 95% of all fish.
What is bony fish?
these distinguish fish from other vertebrates
What are fins?
a system of nerve endings that extend over a fish's head and sides
What is the lateral line?
cartilaginous fish with jaws
What are sharks, rays and chimaeras?
smallest shark
What is the lanternshark?
This classification of fish have skeletons made of flexible cartilage
What is cartilaginous fish?
These fish possess fins made of webs of skin supported by rays or spines.
What are ray-finned fish?
a large gas-filled organ that allows a bony fish to stay suspended in any depth of water
What is a swim bladder?
largest carnivorous fish
What is the great white shark?
scales that cover a shark's body
What are denticles?
with jaws and without jaws
These fish have webbed rays attached to the body by a lobe.
What are lobe-finned fish?
a hard movable plate that protects and covers the gills
What is the operculum?
cartilaginous fish without jaws
What are hagfish and lampreys?
protective case in which some sharks lay their eggs
What is the mermaid's purse?
scientists who study fish
Who are ichthyologists?
What are the only lobe-finned fish?
What are lungfish and coelacanths?
W-shaped bands of muscle
What are myomeres?
True or False - cartilaginous fish have swim bladders
FALSE
paired holes through which sharks inhale
What are spiracles?