Nature · General

Marine Life Basics

Common ocean animals across fish, mammals, and invertebrates with one distinguishing fact each, one animal per card.

39 cards · basic cards · AI-written, checked twice. Edit anything.

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Male seahorse does what with fertilized eggs?
Carries them in a pouch until they are born
How does a female anglerfish attract prey in the deep sea?
Uses a bioluminescent lure on a long stalk
What deadly poison is found in pufferfish?
Tetrodotoxin
What material is a shark skeleton made of instead of bone?
Cartilage
Which body part does a goldfish lack entirely?
Stomach
What makes tuna unusual among most fish?
Tuna are warm-blooded and generate body heat
Where are both eyes of a flounder positioned?
On the same side of its head
What does an electric eel use to hunt and defend itself?
Electric current that it generates in special organs
How does a lionfish defend itself from predators?
Through venomous spines on its fins
What unusual ability does a flying fish have?
It can glide above the water surface using its fins
What does a swordfish use its elongated bill for?
Piercing and slashing at fish to injure or stun them
How do whales breathe while living in the ocean?
Through blowholes, then hold their breath when diving
What do dolphins use to navigate murky or dark water?
Echolocation, by producing clicking sounds and listening for echoes
What do manatees eat exclusively?
Plants and aquatic vegetation
What long teeth do walruses have?
Long tusks made of ivory

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