Species

Ambastaia nigrolineata

A rare, sociable loach with bold racing stripes and fascinating group behaviors.

Epiplatys dageti dageti

A hardy, surface-loving killifish that's a perfect gateway into egg-scattering species.

Balitoropsis zollingeri

A flat-bodied stream crawler that hops and clings across rocks like no other loach.

Wetmorella nigropinnata

A tiny, secretive reef wrasse that disappears into caves the moment you look away.

Ostracion cubicus

Adorable cube-shaped reef fish that hides a dangerous chemical defense.

Phallichthys tico

A tiny, peaceful livebearer from Costa Rica's murky highland streams.

Apogon nigrofasciatus

A secretive reef-dweller that comes alive after dark to hunt the rubble.

Carnegiella marthae

A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.

Hyphessobrycon pyrrhonotus

The rarest bleeding heart tetra, with a vivid red wedge only it can claim.

Hyphessobrycon socolofi

The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.

Catostylus mosaicus

Australia's most common jellyfish, surprisingly manageable in a dedicated kreisel tank.

Yasuhikotakia modesta

A sociable Mekong loach with vivid fins and a complex social life.

Chromis cyaneus

A cool-blue schooling fish that brings open-water energy to reef tanks.

Alestopetersius smykalai

A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.

Inpaichthys kerri

Tiny tetra with big color rivalry. Males glow brightest when competing for attention.

Amblydoras nauticus

A hardy little catfish that talks in the dark and rarely shows its face by day.

Paracheilinus cyaneus

A reef-dwelling wrasse that sleeps wrapped in its own slime cocoon every night.

Trigonopoma gracile

A delicate blackwater rasbora with variable color forms from Borneo's forest streams.

Rasbora einthovenii

A peaceful forest-stream rasbora with a charmingly crinkled lateral stripe.

Paracyprichromis nigripinnis

A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.

Nothobranchius patrizii

A tiny annual killifish built for life in pools that disappear.

Cirrhilabrus cyanopleura

A roving reef wrasse that brings shimmering blue flanks to the open water column.

Taeniura lymma

A reef ray that looks incredible but rarely thrives in captivity.

Boleophthalmus boddarti

A fish that walks on mud and breathes air at the tide's edge.

Chelidonura varians

A velvety reef predator that hunts flatworms with surprising efficiency.

Pleurosicya boldinghi

A tiny, transparent goby that spends its whole life clinging to soft corals.

Mikrogeophagus altispinosus

The hardier, more forgiving cousin of the popular ram cichlid.

Pangio shelfordii

A patterned eel-loach from Borneo's blackwater forests, with surprising personality for its size.

Hippocampus reidi

A slow-moving, sociable seahorse with a famously elongated snout built for precision hunting.

Aplocheilichthys brichardi

A delicate Congo lampeye that rewards patient, experienced keepers.

Nannostomus beckfordi

A hardy little pencilfish that actually forgives beginner mistakes.

Betta brownorum

A jewel of the peat swamps, with a glowing green flank spot unlike any other Betta.

Pseudosphromenus dayi

A secretive bubble-nesting gourami from Kerala's ditches and swamps.

Betta macrostoma

A rare Bornean beauty that rewards patient, dedicated keepers.

Plerogyra simplex

Bubble-covered by day, tentacled hunter by night. A coral with a double life.

Alpheus soror

A snapping shrimp that pairs with gobies and packs a serious acoustic punch.