Muddy

Tire Track Eel

Tire-track camo, night-stalking hunter

Pipefish

Tube snouts. Bony armor. Dad does the brooding.

Blue Catfish

Forked tail. Big river muscle.

Snow Crab

Built for the seafloor's deep freeze

Whiting

European whiting: NE Atlantic cod kin

Cat-Eyed Snake

Night eyes, frog hunters

Fire Eel

Not a true eel-pure river fire.

Wolf Snake

Gecko hunters, not kraits

Needlefish

Built for speed at the surface

Yarara

Lanceheads: silent heat-seeking ambushers

Sockeye Salmon

Silver at sea, scarlet to spawn

Rinkhals Snake

Spit. Bluff. Survive.

Rhino Viper

Horns in the leaf litter.

Snook Fish

Linesiders of the tides

Mojarra

Silver schools, sand-sipping snouts

Redtail Catfish

Big head. Red tail. River titan.

Electric Catfish

Africa's freshwater "shock" catfish

Stargazer Fish

Eyes up. Mouth up. Strike up.

Conger Eel

Night hunters of the seafloor

Red-Lipped Batfish

Walks the seafloor. Fishes with a lure.

Red-Bellied Black Snake

Black above, red below-keep your distance

Batfish

Walk the bottom, lure the bite.

Green Anaconda

Built for wetlands. Powered by constriction.

Yellow Anaconda

Paraguay-Paraná's stealthy giant