
.Whales are the largest animals on earth. They are mammals and produce milk from their mammary glands. Whales feed on plankton, fish, krill, crabs, etc. Orcas, also called killer whales, eat sea lions, sharks, seals and even other whales!
Dolphins

Dolphins are highly intelligent aquatic mammals that belong to the toothed whale family. They eat squid, fish and seals. Dolphins are very social and live in groups called ‘pods’. The pods comprise of dozens or hundreds of dolphins. Humans have seen them helping injured members of their pod, protecting swimmers from sharks, and even guiding stranded whales out of shallow water!
Turtles

Turtles are aquatic reptiles that have a hard, bony shell which shields their body. They live in water most of their life. Freshwater turtles live in lakes and ponds. Sea turtles live in the ocean and come out to lay eggs on the sandy beach. They are omnivores that feed on plants, fish, insects, molluscs, frogs, grasses, and algae.
Salmon

Salmon is a type of fish that is born in freshwater, migrates to the ocean and returns to freshwater to reproduce. They are consumed by humans for their high protein content, vitamin D and omega-3 fatty acids.
Jellyfish

Jellyfish are transparent, jelly-like marine animals. They have bell-shaped bodies with an umbrella-shaped head and several tentacles. These fish are either colourless or have bright colours like pink, blue and purple. Most types of jellyfish are luminescent – they emit light from their bodies. They have hundreds of venomous, sting cells in their tentacles.