Fishy Foundations
This class of jawless fishes include hagfish and lampreys.
What is Agnatha?
Sharks, rays, and skates belong to this class of fish.
What is Chondrichthyes?
This bony flap covers and protects the gills in bony fish.
What is the operculum?
This system detects vibrations and movement in the water
What is the lateral line?
This birthing strategy involves laying eggs outside the body.
What is oviparous?
This is the scientific study of fishes.
What is ichthyology?
Cartilaginous fish have rough, sandpaper-like skin because of these scales.
What are placoid scales?
These structures prevent food and debris from entering the gill filaments.
What are gill rakers?
This coloration pattern features a dark top and a light underside.
What is countershading?
This birthing strategy results in live birth with nourishment from the mother.
What is viviparous?
The tail of a fish is also known by this fin name.
What is the caudal fin?
This sensory organ allows sharks to detect electrical signals from prey.
What are the ampullae of Lorenzini?
Thin disks in the gills that increase surface area for gas exchange.
What are gill lamellae?
A coloration pattern where bright colors warn predators of danger.
What is warning coloration?
Eggs hatch inside the parent’s body in this reproductive strategy.
What is ovoviviparous?
This common opening is used for both excretion and reproduction in cartilaginous fish.
What is the cloaca?
To regulate buoyancy, sharks rely on this large fatty organ instead of a swim bladder.
What is the liver?
This internal organ helps bony fish maintain buoyancy.
What is the swim bladder?
This coloration helps fish blend in with their environment.
What is cryptic coloration?
Fish that migrate from freshwater to saltwater follow this pattern.
What is catadromous?
The three main classes of fish are Agnatha, Chondrichthyes, and this class.
What is Osteichthyes?
The first pair of gill slits in cartilaginous fish is modified into these openings.
What are spiracles?
The two main groups of bony fish are ray-finned fish and these fish.
What are lobe-finned fish?
A coloration pattern that uses bold contrasts to break up body outline.
What is disruptive coloration?
If attacked by a shark, this is the most effective place to strike.
What is gills/eyes