Fish Flashcards
Vertebrate
Any organism with a spine/backbone
Vertebral Column
Another term for spinal column
Neural Crest
Migratory cells unique to vertebrates
Closed Circulatory System
System where blood is pumped with a heart through vessels of different sizes and thicknesses. The blood very seldom fills body cavities
Cycloid Scales
A scale that has a smooth edge all around and lacks tooth like processes. Found on the Jawless Fishs
Placoid Scales
The scales that are found on the cartilaginous fishs; sharks, rays
Ganoid Scales
Found on the Bony Fishs
Gills
The organs that allow a fish to filter oxygen from the water.
Lateral Line
A visible line along the side of a fish. It consists of a series of sense organs that detect pressure and vibrations and changes in such.
Spawning
Release or deposit eggs.
Jawless Fish
Any various, elongated marine and freshwater fishes lacking a jaw and paired appendages.
Cartilaginous Fish
A class of fish characterized by their skeletons that are made of cartilage instead of bone. Includes sharks, rays and chimeras
Bony Fish
A large class of fish, distinguished by a skeleton of bone. Consists of the majority of modern fishes.
Lobe-Finned Fish
A largely extinct class of fish that had fleshy lobed fins. These are the probable ancestors of amphibians.
Bowfin/Dogfish
Ugliest fish you’ll ever see.