Peaceful shoalers that shine in numbers
Tetras & rasboras
Tetras and rasboras are the classic community shoaling fish — stunning in a group, stressed and washed-out in ones and twos. Buy a real group (six or more) and give them a settled, planted tank to feel secure.
5 species on Finfern · 5 with a full care guide.
💧 Get the water right: Many are happiest in soft, mature water — add them to a cycled, settled tank, not a brand-new one.Care model: Tropical community tank
- Neon TetraParacheirodon innesiThe classic shimmering schooling fish — stunning in numbers, but buy a real group, not three.
- Cardinal TetraParacheirodon axelrodiThe neon's bolder, redder cousin — deeper colour and a bit hardier in a warm, mature tank.
- Ember TetraHyphessobrycon amandaeA tiny ember-orange nano schooler — perfect for a small planted tank.
- Harlequin RasboraTrigonostigma heteromorphaA hardy, peaceful copper-and-black schooler — one of the best first schooling fish.
- Rummynose TetraHemigrammus rhodostomusThe schooler with a red nose that tells you your water's right — tight-shoaling and elegant.
Plan a tetras & rasboras tank
Our free tools use these species' real, sourced care data — no guessing:
Stocking calculator →Compatibility checker →Which fish suit your water? →