Court Jester Goby tank mates

Koumansetta rainfordi

5 rated pairings from the Court Jester Goby care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Court Jester Goby needs at least 20 gallons on its own; every companion adds to that.

Fits a 20-gallon tank →Peaceful →

Excellent matches

2 · 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; different feeding ecology minimizes competition

Good matches

2 · Compatible with normal care — watch space and numbers.

Neon Goby

Elacatinus oceanops

20 gal min · 2" adult · Peaceful

Both small, peaceful gobies; may compete for grazing space in very small tanks

Pistol Shrimp

Alpheus randalli

20 gal min · 2" adult · Semi-aggressive

Peaceful invertebrate; may burrow but won't harm the goby

Use caution

1 · Works in the right setup; read the note before combining.

Lawnmower Blenny

Salarias fasciatus

30 gal min · 4.5" adult · Peaceful

Both algae grazers; may compete for food in smaller tanks but generally compatible

Planning this tank?

Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.

Full care guide Stocking calculator