Teleostei (teleosts) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 20 - 50 m (Ref. 54980). Tropical; 28°N - 8°S
Indo-Pacific: Red Sea to Hawaiian and Society Islands; Japan to Australia (Queensland and Northwest Shelf); throughout East Indian region.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL male/unsexed; (Ref. 48637)
soft rays: 9 - 10. Males have longer dorsal spines and yellow spotting on the fins (Ref. 1602); characterized further by semi-translucent upper part of body, pinkish orange below; head and median fins with yellow orange spots; elongate and filamentous second dorsal spine; fifth pelvic ray branched, 75-85% length of fourth ray; longitudinal scale series 23-24; predorsal scales absent; cheek and opercle without scales; depth of body 4.0-4.2 in SL (Ref. 90102).
Occur in caves of drop-offs at depths of about 25 to at least 50 m (Ref. 48637, 58302). Benthopelagic (Ref. 58302). Form loose schools near the roofs or sides of caves and disappears into holes or crevices when approached. Often seen with other species of Trimma and feeds on harpacticoid copepods (Ref. 48637).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion