what is a fishes body covered in
scales
fish that poses an internal skeleton
bony fish
the largest known fish
whale shark
lizards tails can do what if ripped off
regenerate
rigid capsule that has long tendrils coming off coming off the end
mermaids purse
what are the two types of finned fish
lobe finned and ray fined
what are the four types of scales
placoid ganoid cycloid ctenoid
what is it called when an animal has reflective plates lining it's eyes
eye shine
looks like a shark behaves like a prey
sawfish
sharks are covered in placoid scales called
denticles
provides framework for all organs and muscles
back bone
what system circulates oxygen throughout the blood stream
circulatory system
one of the most feared sharks
great white shark
hides in sand at the bottom of the ocean
electric rays
fish that give off light
photophore
w shaped fins are called
myomeres
what has a skeleton made of flexible cartilage
cartilaginous fish
has large eyes on bulky head
chimera
what are rays with long noses
skates
which one has a simpler brain fish or mammals
fish
the gills protective covers are called
operculum
found in temperate waters throughout the world
sand tiger shark
are found in waters that are below 72 degrees farenhite
hag fish
a shark that has a head that looks like a hammer
hammerhead shark
what is laying large qauntities of eggs in the water
spawning