Exploring Marine Animals

What are the three main types of fish?

• Predatory fish, herbivorous fish, filter-feeding fish

• Bony fish, cartilaginous fish, jawless fish

• Surface fish, bottom-dwelling fish, migratory fish

• Freshwater fish, saltwater fish, tropical fish

Name a mammal that lives in the ocean.

• octopus

• shark

• sea turtle

• dolphin

What is the largest species of fish?

• pufferfish

• whale shark

• tuna

• great white shark

How do marine mammals breathe underwater?

• They use their fins to absorb oxygen from the water.

• They hold their breath indefinitely while swimming.

• They extract oxygen from water through gills.

• Marine mammals breathe air by surfacing and using their blowholes.

What is the difference between a shark and a ray?

• Sharks have a bony skeleton; rays have a cartilaginous skeleton.

• Sharks have a streamlined body and dorsal fins; rays have a flattened body and gills on the underside.

• Sharks have flat bodies and gills on the sides; rays have streamlined bodies and dorsal fins.

• Sharks are freshwater fish; rays are saltwater fish.