Bony Fish
Cartilagenous Fish
N/A
Bony Fish
Cartilagenous Fish
Lower jaw can be hyperextended
Bony Fish
Cartilagenous Fish
Bony Fish
Cartilagenous Fish
Reproduce in smaller numbers
Reproduce in larger numbers
External development, most have no parental care
Shorter time to reach sexual maturity
Longer time to reach sexual maturity
Bony Fish
Cartilagenous Fish
N/A
30% external development from leathery eggs
Nictitating membrane (eyelid)
Nest builders
Pouch brooders
Mouth brooders
Young are called fry
Young are called pups
70% live born
Bony Fish
Cartilagenous Fish
Bony Fish
Cartilagenous Fish
Bony Fish
N/A
Cartilagenous Fish
Bony Fish
CartilagenousFish
Cycloid
Ctenoid
Ampullae of Lorenzini - picks up electrical signals
External fertilization
Internal fertilization - Male sharks have claspers
Ganoid
Fingernail-like ctenoid, cycloid, and ganoid scales
Sandpaper-like placoid scales
Smaller in size than sharks
Potential to be pretty large
Bony Fish
Cartilagenous Fish
Bony Fish
Cartilagenous Fish
Bony Fish
Cartilagenous Fish
More variation than cartilagenous fish
Mouth below snout in most
Homocercal caudal fin
Bony Fish
Cartilagenous Fish
Anal fin present
Most lack an anal fin
Heterocercal caudal fin
Rounded
Lunate
Forked
Slower-moving
Single row of non-replaceable teeth
Multiple rows of replaceable teeth