Osteichthyes
Their skeletons have both of these materials.
What are bone and cartilage?
What is Chordata?
When you have the ability to detect chemicals in the environment.
What is chemoreception?
When the dorsal (top) surface is darker than the ventral (underneath) surface
What is countershading?
Name of sharks that means torpedo-like
What is fusiform?
When the fins appear superficially symmetric.
What is a homocercal tail?
Osteichthyes, who make up 95% of the fish species, have this nickname.
What are Bony Fish
Paired fins provided what 2 things to fish?
What is stability and maneuverability in the water?
These are 2 things that can bony fish store to help aid in buoyancy
What are gases and lipids?
Sharks may have 6 to 20 rows of these.
Three types of bony fish scales
What are cycloid, ctenoid, and ganoid?
This is the class of the cartilaginous fish
What is Chondrichthythes?
Animals that primarily gain heat through the environment
What are Ectotherms?
This type of fishes are hyperosmotic regulators
What is freshwater fish?
Distance sharks may sense prey when using their olfactory organs.
What is 1 Km or more?
An example of a fish in this class with no scales
What is either eel or catfish?
The class of hagfish
What is Myxini?
This is known as the "Age of Fishes"
What is the Devonian Period?
The name of the system where fish have canals in their skin that allow them to sense vibrations in the water
What is the Lateral Line System?
Type of feeding the non-predatory sharks use
What is filter-feeding?
These are the bony plates attached to the muscles that cover the gills on either side of the head of a fish
What are the operculum?
The class of the lampreys
What is Cephalaspidomorphi?
The name of the small tooth-like spines that cover the body of fish is the Class Chondrichthyes.
What are placoid scales?
Type of animals whose body temperature adjusts depending on the environment.
What are Poikilotherms?
The longest living shark
What is the DogFish Shark?