Nocturnal

Tiger Rattlesnake

Tiny rattle. Big desert danger.

Midget Faded Rattlesnake

Small snake. Serious rattle.

Aruba Rattlesnake

Aruba's arid-island rattler

Sea Roach

Rock runners of the tide line

Bullsnake

Prairie's loudest look-alike

Eyelash Viper

Venomous lashes of the rainforest

Halibut

Big, flat, fast: the true halibuts

Tire Track Eel

Tire-track camo, night-stalking hunter

Blue Catfish

Forked tail. Big river muscle.

Whiting

European whiting: NE Atlantic cod kin

Habu Snake

Ryukyu's heat-sensing pit viper

Cat-Eyed Snake

Night eyes, frog hunters

Rhombic Egg-Eater Snake

Cracks eggs-never bites.

Fire Eel

Not a true eel-pure river fire.

Harlequin Coral Snake

Bright bands, hidden life, potent bite.

Mamushi Snake

Small viper, big heat-sensing precision

Wolf Snake

Gecko hunters, not kraits

Needlefish

Built for speed at the surface

Yarara

Lanceheads: silent heat-seeking ambushers

Rinkhals Snake

Spit. Bluff. Survive.

Night Adder

Rhombus-marked frog hunter of the night

Bull Trout

Big char, cold water, connected rivers.

Rhino Viper

Horns in the leaf litter.

Urutu Snake

Urutu-cruzeiro: the cross-marked ambusher