Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335). More on author: Winterbottom.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 15 - 50 m (Ref. 90102). Tropical
Indo-Pacific: Chagos Islands east to Fiji, south to Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.4 cm SL male/unsexed; (Ref. 28618)
(total): 6 - 7;
soft rays: 9 - 11. Characterized by semi-translucent upper half of body, pinkish on lower half; most body scales with vertical yellow streak on caudal and bands/stripes on dorsal and anal; elongate second and third dorsal spine; branched 9-10 pectoral rays; fifth pelvic ray branched, about equal to length of fourth ray; forked caudal fin; longitudinal scale series 23-26; predorsal scales 2-5; cheek and opercle without scales; depth of body 4.5-4.8 in SL (Ref. 90102).
Inhabits steep outer reef slopes, often upside-down in caves, in 15-50 m (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kailola, P.J., 1991. The fishes of Papua New Guinea: a revised and annotated checklist. Vol. III. Gobiidae to Molidae. Research Bulletin No. 41, Research Section, Dept. of Fisheries and Marine Resources, Papua New Guinea. 153 p. (Ref. 6771)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26 - 28.8, mean 27.4 (based on 176 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00418 - 0.01902), b=3.08 (2.91 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .