Marine Fishes

An octopus does not have a spine. An animal without a spine is an invertebrate. Is an octopus a fish or not?

• Fish

• Not a fish

All fish use gills.

• True

• False

There are about _____ different types of fish.

• 10,000

• 30,000

• 1,000,000

• 1,000

Most fish have what covering their bodies

• Scales

• Gills

• Skin

• Feathers

The skeletons of sharks is made of...

• Bone
• Cartilage

What kind of fish / sea creature is it?

• Stingray

• shark

• sailfish

• puffer fish

The bony plates covering a bony fish's gills:

• Operculum

• Caudal fin

• Dorsal fin

• Lateral line

Tags

NGSS.MS-LS4-2

What is the name of the internal structure that controls a bony fish's depth in the water?

• Liver

• Air Pocket

• Lung Bladder

• Swim Bladder

The tail fin of a fish is also known as the __________ fin.

• Pectoral

• Pelvic

• Dorsal

• Caudal

Countershading (dark backs, silver sides, and white bellies) is a common form of camouflage in ______fishes.

• coral reef

• eel grass bed

• pelagic (open ocean)

• deep sea