Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335). More on author: Cohen.
Environment / Climate / Range
Marine; reef-associated, usually 10 - 40 m (Ref. 27115). Tropical; 22°C - 26°C (Ref. 27115); 33°N - 18°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 9710)
Western Pacific: Ryukyu and Izu islands to New Britain (Papua New Guinea) and Rowley Shoals, Western Australia. Recently reported from Tonga (Ref. 53797).
Inhabits coastal to outer reefs, typically in small groups in caves (Ref. 48637). Forms loose aggregations associated with shallow pockets and caves of steep drop-offs. Hovers in a head-up position (often vertical, posture in the water column) and feeds on copepods (Ref. 1602, 58123).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00880 (-0.15703 - 0.17463), b=3.06 (2.96 - 3.15), based on LWR estimates for this family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.00 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .