Nudibranch

Type:Invertebrate

Diet:Carnivore

Average life span in the wild:Up to 1 year

Size:0.25 to 12 in (6 mm to 31 cm)

Weight:Up to 3.3 lbs (1.5 kg)

Did you know?

Some nudibranchs are solar-powered, storing algae in their outer tissues and living off the sugars produced by the algae’s photosynthesis.

Giant Clam

Type:Invertebrate

Diet:Carnivore

Average life span in the wild:100 years or more

Size:4 ft (1.2 m)

Weight:More than 440 lbs (200 kg)

Did you know?

No two giant clams have the same coloration

Blue Crab

Type:Invertebrate

Diet:Omnivore

Average life span in the wild:1 to 3 years

Size:4 in (10.2 cm) long; 9 in (23 cm) wide

Weight:1 to 2 lbs (0.45 to 0.9 kg)

Group name:Cast

Did you know?

Female blue crabs mate only once in their lives.

Starfish (Sea Star)

Type:Invertebrate

Diet:Carnivore

Average life span in the wild:Up to 35 years

Size:4.7 to 9.4 in (12 to 24 cm)

Weight:Up to 11 lbs (5 kg)

Did you know?

Sea stars have no brains and no blood. Their nervous system is spread through their arms and their “blood” is actually filtered sea water.