Species

Cryptocentrus leptocephalus

A burrow-sharing goby that stands guard while its pistol shrimp partner digs.

Zoramia leptacantha

A tiny reef cardinalfish that gathers in shimmering clouds above branching coral.

Diadema antillarum

A bold, spiny reef grazer that keeps algae in check around Caribbean reefs.

Diadema setosum

A reef-grazing urchin with impressively long spines and a sharp sense of self-defense.

Synodontis njassae

Lake Malawi's only squeaker, built for cichlid tanks and rocky hideouts.

Calloplesiops altivelis

A cave-dwelling mimic that fools predators by impersonating a moray eel.

Ancistrus ranunculus

A flat-headed, rock-hugging pleco from Brazil's wild river rapids.

Macrognathus meklongensis

A secretive Thai spiny eel that comes out of hiding when hunger calls.

Polypterus mokelembembe

An ancient, armored predator from the Congo's murky depths.

Polypterus weeksii

A living fossil from the Congo with a swim bladder that doubles as a lung.

Auchenipterus nuchalis

A surface-roaming catfish with bizarre ossified barbels and secretive nocturnal habits.

Galaxea alta

A bold, spreading coral with dramatic polyp extension that commands attention.

Galaxea astreata

A sprawling, tentacled coral with surprisingly sharp defensive reach.

Macrognathus aculeatus

A serpentine burrower with a single bold stripe and a secretive personality.

Polypterus ornatipinnis

An ancient, armored predator that breathes air and prowls the night.

Macrotocinclus affinis

Tiny Brazilian algae-eater with a habit of resting right on the front glass.

Pangio pangia

A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.

Perrunichthys perruno

A little-known giant catfish from Venezuela's Lake Maracaibo basin.

Pterygoplichthys scrophus

A hefty Amazonian armored catfish that breathes air when conditions demand it.

Lepidocephalus macrochir

A shy, rarely traded loach that does best with gentle companions and a soft substrate.

Apogon atricaudus

A secretive Pacific reef cardinalfish that comes alive after dark.

Synodontis angelicus

A boldly spotted Congo catfish that grows into a fierce bottom-territory defender.

Polypterus palmas polli

An ancient armored predator that breathes air and prowls the riverbed.

Halichoeres iridis

A kaleidoscopic reef wrasse that shifts color as it matures.

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Discherodontus ashmeadi

A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.

Erpetoichthys calabaricus

A living fossil with an eel-like body and a lineage older than the dinosaurs.

Monopterus albus

A land-crossing, air-breathing swamp predator that isn't actually an eel at all.

Hypostomus roseopunctatus

A hefty South American pleco with an unusual ability to breathe air.

Plerogyra eurysepta

Bubble-filled LPS coral that deflates at night to reveal sweeping feeding tentacles.

Panaque nigrolineatus

A wood-rasping giant with bold racing stripes and a reclusive personality.

Manonichthys alleni

A cave-dwelling Pacific dottyback with a fondness for living inside tubular sponges.

Polypterus endlicheri endlicheri

A living fossil that can breathe air and survive out of water.

Leiarius marmoratus

A massive schooling catfish with dramatic fins and a nocturnal personality.

Glyptoperichthys gibbiceps

A decades-long commitment: this armored giant lives longer than most pets.

Galaxea horrescens

A branching coral with ghostly white-tipped tentacles that emerge after dark.