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.

Pterophyllum altum

The wild angelfish that makes the common angel look easy.

Hyphessobrycon auca

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

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.

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.

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.

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.

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.

Parasphaerichthys ocellatus

A tiny Burmese labyrinth fish that builds bubble nests and rewards patient keepers.

Mystacoleucus obtusirostris

A lively schooling cyprinid with bold fin markings and a hidden surprise spine.

Scatophagus argus

A bold, active brackish fish that thrives in mangroves and messy tanks alike.

Puntius titteya

A beginner-friendly Sri Lankan barb that glows deepest red in a good-sized group.

Sphaerichthys selatanensis

A rare Bornean gem where the mother holds the eggs, not the father.

Alestopetersius brichardi

A lively Congo tetra with vivid male displays and easy community manners.

Hyphessobrycon vilmae

A tiny Amazonian tetra sold as the chocolate neon, rarely seen but worth seeking out.