Species

Betta imbellis

The gentler betta. Males can sometimes share a tank if given enough cover.

Nannostomus grandis

The largest pencilfish, rarely seen but worth the search.

Nannostomus minimus

Tiny, timid, and barely an inch long. A pencilfish for the dedicated nano keeper.

Desmopuntius hexazona

A dainty six-banded barb that thrives in big, lively groups

Nannostomus rubrocaudatus

Tiny, territorial, and blazing with red-purple color. A pencilfish with real attitude.

Boraras maculatus

A pea-sized schooling fish that rewards patience with dazzling group displays.

Microrasbora rubescens

A tiny Lake Inle gem that truly shines when kept in a proper-sized school.

Hyphessobrycon amapaensis

A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.

Hyphessobrycon sweglesi

A deep-red schooling tetra that rewards you for keeping bigger groups.

Copella eigenmanni

A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.

Hyphessobrycon agulha

A rare, peaceful tetra that anchors its entire species group by name.

Hyphessobrycon bentosi

A rosy, fin-flaring little characin that puts on its best show in a crowd.

Hyphessobrycon rosaceus

A softly blushing schooling tetra that rewards keepers who think in groups.

Axelrodi riesei

A tiny red gem from Colombia that rewards patient, species-focused keepers.

Hemigrammus bleheri

A tight-schooling tetra whose vivid red nose blazes brightest in a large group.

Hemigrammus rhodostomus

The original rummy-nose, built for tight shoals and soft Amazon water.

Hyphessobrycon eques

Fiery red schooler that turns fin-nipper when kept in too-small groups.

Pethia shalynius

A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Betta miniopinna

A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.

Copella arnoldi

The fish that leaps out of water to lay eggs on leaves above the surface.

Copella carsevennensis

A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.

Boraras naevus

A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.

Hyphessobrycon acaciae

A tiny Orinoco tetra with a bold dark lateral stripe and beginner-friendly nature.

Oryzias songkhramensis

A tiny Thai ricefish with a fascinating breeding style and peaceful nature.

Iriatherina werneri

Delicate featherfin rainbowfish with spectacular filamentous fins best shown in a species setup.

Nannostomus trifasciatus

A pencilfish with real attitude. Best kept in big groups with broken sightlines.

Hyphessobrycon stegemanni

A tiny Tocantins tetra often mistaken for its look-alike neighbor.

Hemigrammus ulreyi

A peaceful schooling tetra that's rarer in tanks than its charm deserves.

Aphyosemion volcanum

A rare Cameroonian killifish from volcanic rainforest streams, seldom seen in the hobby.

Tanichthys albonubes

A cold-tolerant schooling fish that practically takes care of itself.

Pristella maxillaris

The see-through tetra whose bold dorsal fin pattern makes a school unforgettable.