Bicolor Blenny tank mates
Ecsenius bicolor
5 rated pairings from the Bicolor Blenny care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Bicolor Blenny needs at least 30 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Ocellaris Clownfish
Amphiprion ocellaris
20 gal min · 3.5" adult · Semi-aggressive
Similar peaceful temperament and reef-safe; occupy different tank zones
Cleaner Shrimp
Lysmata amboinensis
30 gal min · 2.5" adult · Peaceful
Reef-safe invertebrate that occupies different ecological niche; no predation risk
Nerite Snail
Neritina natalensis
5 gal min · 1" adult · Peaceful
Algae-eating invertebrate that complements blenny's grazing; no competition or aggression
Good matches
2 · Compatible with normal care — watch space and numbers.Neon Goby
Elacatinus oceanops
20 gal min · 2" adult · Peaceful
Both small, peaceful bottom-dwellers with minimal aggression toward each other
Pistol Shrimp
Alpheus randalli
20 gal min · 2" adult · Semi-aggressive
Peaceful invertebrate; blenny may ignore or coexist peacefully depending on temperament
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.