Freshwater

Sea Snake

Elapids that learned to breathe the sea

Neon Tetra

Half-red stripe, full neon glow

American Paddlefish

Paddle-snouted plankton hunter

Green Sunfish

Big mouth. Bold stripes. Tough fish.

Crocodile Monitor

New Guinea's whip-tailed tree hunter

Common Carp

Tough fish, muddy footprint.

Buffalo Fish

Big bodies, subtle mouths, ancient lives

Pictus Catfish

Spots, speed, and super-long whiskers

Dobsonfly

Big jaws, clean streams, short adult lives

Belted Kingfisher

Bank-burrower. Perch-watcher. Plunge-diver.

Vermilion Flycatcher

A spark of red on the riverbank

Boxachi

Big-dog heart, small-dog spark

Hawk

Built to see, swoop, and soar

Meiolania

Horned head. Armored tail. Island titan.

Arsinoitherium

Rhino looks, afrotherian roots

Eastern Dobsonfly

Big wings. Clean streams. Fierce larvae.

Stupendemys

Side-necked titan of ancient rivers

Simbakubwa

Not a lion-Africa's other mega-predator

Coryphodon

Big browser of the Eocene wetlands

Pelycosaurs

Permian pioneers of the mammal line

Anteosaurus

Karoo's pre-dinosaur apex hunter

Holy Cross Frog

The desert frog with a cross on its back

Giant Beaver

Ice Age beaver, supersized.

Palaeophis

Eocene sea-snakes, written in vertebrae