Pair Bond Durations

Transient

Brief associations lasting only for copulation with no extended pair bond

1,413 Animals

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Dungeness Crab

White-tipped claws, West Coast pride.

Armored Catfish

Armored grazers of the Americas

Saddleback Caterpillar

Look, don't touch the saddle.

John Dory

Big eye, snap-mouth, seabed hunter

Pea Puffer

Small puffer, big attitude.

Vampire Crab

Small crab, big attitude.

Yellow Tang

Reef lawnmower in sunshine-yellow

Yellow Perch

Schooling gold for hook and pan

Gulper Eel

Big mouth. Bigger mystery.

Pollock

Pollock: cod-family powerhouse seafood

Oarfish

Ribbon giants of the twilight sea

Freshwater Sunfish

Spiny fins, sunny colors, fierce parents

Cory Catfish

Armored, whiskered, and social

Arctic Char

Built for ice-cold waters

Sea Snake

Elapids that learned to breathe the sea

Grass Spider

Dew-lit sheets, lightning-fast hunts.

Giant Weta

Big bug, bold survivor.

Robber Flies

Hawks of the insect world

Jewel Beetle

Nature's living metalwork

Giant Desert Centipede

Venom-clawed hunter of the desert night

Neon Tetra

Half-red stripe, full neon glow

American Paddlefish

Paddle-snouted plankton hunter

Green Sunfish

Big mouth. Bold stripes. Tough fish.

Giant Isopod

The deep sea's armored scavenger