Classes of fish
Marine vocabulary
Fish anatomy
Miscellaneous
100
These are the three traditional classes of fish.
Jawless,Bony,and Cartilaginous.
100
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
Vertebrates
100
Fishes have a ____ chambered heart.
two
100
Bottom dwelling fish.
Demersal
200
What are the two jawless fishes?
hagfishes and lampreys
200
An animal that releases eggs.
oviparous
200
The arteries are found in this system
circulatory
200
The following group of fishes regulate gases by swallowing seawater and excreting excess salt by urination
bony
300
Sharks, rays, ratfishes and skates are all apart of this group of fish
cartilaginous
300
A rigid material that is still lighter and more flexible than bone that makes up the skeletons of sharks, rays and skates.
cartilage
300
These are the only organs found in the respiratory system of fishes
gills
300
The process that fishes undergo to prevent dehydration
Osmoregulation
400
This fish falls into what category of fishes
bony
400
One of two openings behind the eyes of cartilaginous fishes
spiracles
400
The tail fin of a fish is called ____?
caudal fin
400
The largest group of vertebrates
Fishes
500
Most cartilaginous fishes have ____ pair gill slits.
5-7
500
This is the flap of bony plates that covers the gills of bony fish.
operculum
500
Name the small rough scales that make up the skin of cartilaginous fishes.
placoid scales
500
The scientific study of fishes
Ichthyology