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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335); tauroculum: Name from Latin 'taurus', meaning bull, and 'oculus' for eye, in allusion to the distinctive bulls-eye like marking above the pectoral fin which characterizes this species.
More on authors: Winterbottom & Zur.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 27 - 73 m (Ref. 59339). Tropical
Western Pacific: Palau.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL male/unsexed; (Ref. )
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 8. The species is characterized by the absence of scales on the cheek, opercle and midline of the nape; fifth pelvic fin ray branched sequentially once; a moderate interorbital trench;
a short and narrow postorbital trench; color of living specimens red with a white belly, a large brown-black spot larger than the eye immediately above the pectoral fin base and numerous smaller dark spots across the nape; and in preserved specimens the dark spots remain but the ground color is yellow. Differs from its congeners by the very large 1.25 eye diameter brown-black spot above the pectoral fin base and the rows of smaller brown spots on the nape separated by a honeycomb pattern (Ref. 59339).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Winterbottom, R. and M. Zur, 2007. Three new species of genus Trimma from Palau (Percomorpha: Gobioidei). aqua, Int. J. Ichthyol. 13(1):13-24. (Ref. 59339)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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