Ornate Bichir tank mates
Polypterus ornatipinnis
6 rated pairings from the Ornate Bichir care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Ornate Bichir needs at least 90 gallons on its own; every companion adds to that.
Good matches
5 · Compatible with normal care — watch space and numbers.
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Similar size and nocturnal habits; occupies different ecological niche on substrate
Upside-Down Catfish
Synodontis nigriventris
20 gal min · 4" adult · Peaceful
Nocturnal bottom-dweller; too large to be predated upon; similar water requirements
Striped Raphael Catfish
Platydoras armatulus
50 gal min · 9" adult · Peaceful
Armored body deters predation; nocturnal; comparable size and habitat preference
Pacu
Colossoma macropomum
500 gal min · 42" adult · Semi-aggressive
Large, robust fish that cannot be eaten; similar water temperature range
Rope Fish
Erpetoichthys calabaricus
55 gal min · 15" adult · Peaceful
Eel-like body and nocturnal behavior; similar size and habitat requirements
Use caution
1 · Works in the right setup; read the note before combining.Also recommended alongside Ornate Bichir
Species whose own guides list Ornate Bichir as a tank mate.
African Knife Fish
Xenomystus nigri
55 gal min · 6" adult · Semi-aggressive
Clown Featherback
Chitala ornata
200 gal min · 39" adult · Aggressive
Palmas Bichir
Polypterus palmas
55 gal min · 12" adult · Semi-aggressive
Saddled Bichir
Polypterus endlicheri
150 gal min · 30" adult · Semi-aggressive
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.