Species

Aequidens rondoni

A compact Amazon cichlid with a big personality and surprising longevity.

Hepsetus odoe

A razor-toothed ambush predator built like a torpedo, straight from West African rivers.

Lates niloticus

One of the world's most destructive invasive species, and genuinely unsuitable for home aquaria.

Nannostomus anduzei

The tiniest pencilfish, rarely seen but worth hunting down.

Pterophyllum altum

The wild angelfish that makes the common angel look easy.

Labeo angra

A streamlined South Asian labeo with a bold lateral stripe and good table credentials.

Hyphessobrycon auca

A little Argentine tetra with subtle details that reward a close look.

Gymnostomnus ariza

A large, wide-ranging South Asian cyprinid with a surprisingly easygoing reputation.

Apolemichthys arcuatus

A boldly patterned Hawaiian angel that's surprisingly approachable for reef keepers.

Gymnotus carapo

A electric-field-wielding oddball that can breathe air and recognize its neighbors

Dunckerocampus dactyliophorus

A boldly banded reef pipefish that breeds in captivity and hides in caves.

Pterapogon kauderni

A rare, naturally restricted cardinalfish with fascinating paternal mouthbrooding behavior.

Betta splendens

The world's most recognizable fighting fish, now bred in countless colors and fin shapes.

Rhaphiodon vulpinus

A sleek South American predator that outgrows almost every home aquarium.

Naso vlamingii

A color-shifting open-water unicornfish that needs serious space to roam.

Copella callolepis

A tiny Amazonian schooler that rewards patience with vivid courtship displays.

Ostracion meleagris

A living mosaic of spots with a secret chemical defense you need to know about.

Myleus schomburgkii

A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.

Pervagor melanocephalus

A secretive reef filefish that pairs up and lurks among coral-rich ledges.

Betta siamorientalis

A tiny bubble-nesting betta with a blackish body and vivid red fin details.

Thayeria boehlkei

The tetra that swims nose-up and wears a bold racing stripe to its tail.

Macropodus spechti

A close paradise fish relative that thrives where others struggle.

Pethia nigrofasciata

A peaceful Sri Lankan barb whose males blush deep crimson when rivals are near.

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.

Hyphessobrycon socolofi

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

Pseudomugil cyanodorsalis

A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.

Pygoplites diacanthus

One of the reef's most recognizable angels, and one of its trickiest to keep.

Hyphessobrycon wada

A tiny tetra with a purple-blue body and vivid orange fins that deepen with age.

Thalassoma amblycephalum

A reef-dwelling wrasse with bold color phases and a peaceful community nature.

Fundulopanchax gardneri gardneri

A hardy, colorful killifish that's genuinely beginner-friendly and easy to breed.

Kryptopterus apogon

A massive river predator sometimes sold to unsuspecting buyers as a cute juvenile.

Naso unicornis

A true horn-nosed giant that demands a serious reef setup to thrive.

Nematabramis borneensis

A slender Bornean minnow with notably long barbels and a bold lateral stripe.

Devario xyrops

A lively forest-stream schooler from Myanmar with bold broken-line markings.

Betta brownorum

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