Muddy

Vegavis

A polar clue to waterfowl origins

Scutosaurus

Permian armor, plant-powered

Pachycephalosaurus

Built like a bipedal battering ram

Wiwaxia

Spiny armor from the Cambrian seafloor

Dunkleosteus

Armor-plated apex of Devonian seas

Helicoprion

Permian seas' spiral-toothed slicer

Xiphactinus

Not a dinosaur-Cretaceous sea predator

Feather Star

Feathery arms, drifting meals

Snailfish

Snailfishes: clingers of the cold deep

Nutria

Orange teeth, big impact on wetlands

Orinoco Crocodile

Orinoco's long-snouted river giant

Kissing Bugs

Night feeder, public-health sentinel

Ember Tetra

A living ember for nano tanks

Elephant Fish

Probe the seafloor, chimaera-style

Killifish

Small fish, big survival strategies

Rainbow Kribs (Kribensis)

Small cichlid, big rainbow attitude

Eagle Ray

Wings that crack shells

Vole

Small rodents, big ecosystem impact

Chigger

Six legs now, eight legs later

Cormorant

Dive deep. Hunt sleek. Dry proud.

Pig-Nosed Turtle

Sea-turtle flippers, river-turtle soul

Pacific Spaghetti Eel

The eel that lives like a worm

Comb Jellyfish

Eight comb rows, endless glow

Nematode

Roundworms: small bodies, huge impact