Swimming

River Otter

Built for rivers, born to slide

Cocker Spaniel

Merry flusher, gentle retriever

Firefly

Living lanterns with coded light

Ringed Kingfisher

Big-billed diver of the Neotropics

Goldfish

More than a "starter fish."

Hellbender

Wrinkles that breathe-rivers that live.

Fox Squirrel

Big squirrel, bold colors, buried acorns

Sand Crab

Built for the backwash

Leech

Two suckers, many lifestyles.

Shrew

Tiny teeth, turbo metabolism.

Bushmaster Snake

Rainforest shadow with a heat-sense

Brown Water Snake

Big river snake, not a cottonmouth

Milk Snake

Bright bands, harmless bite-Milk Snake!

Blood Python

Short tail. Heavy muscle. Red power.

Gaboon Viper

Leaf-litter ghost with 5-cm fangs

Texas Rat Snake

Texas' climbing rodent patrol

Massasauga

Small rattle. Big wetland neighbor.

Scarlet Kingsnake

Coral look-kingsnake calm.

Indian Cobra

Hood up: the spectacled sentinel

Garter Snake

Stripes you can trust

Puff Adder

Stand still. Blend in. Puff loud.

Rock Python

Big. Silent. Africa's rock python.

Banded Water Snake

Wetland hunter-harmless, not a cottonmouth

Rough Green Snake

The leaf-green insect hunter of the treetops