Can Diadema Dottyback and Firefish Goby live together?

Diadema Dottyback and Firefish Goby are not compatible. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Diadema Dottyback vs Firefish Goby

Diadema Dottyback

Pseudochromis diadema

Firefish Goby

Nemateleotris magnifica

Verdict:Not compatible

Side-by-side specs

Dottybacks

Family

Gobies

2.5″

Adult size

3″

30gal

Min tank

20gal

72–82°F

Temperature

72–82°F

8.1–8.4

semi-aggressive

Temperament

peaceful

Solitary

Schooling

Solitary

mid

Water level

mid

Compatibility notes

criticalDiadema Dottyback + Firefish Goby: Diadema Dottybacks bully and pick off small peaceful fish, firefish are typical victims.

Try both in the builder →Compare different species