Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335); capostriatum: Not given in this paper.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 1 - 22 m (Ref. 100726). Tropical
Southwest Pacific: Australia (GBR), New Caledonia, Vanuatu, the Solomons, the Bismark Archipelago, northern and southern New Guinea and Palau (Helen Reef).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.9 cm SL male/unsexed; (Ref. 100726)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: presence of a deep trough in the bony interorbital region about half pupil-diameter in width; with a shallow trough behind the eye along the upper half of the posterodorsal margin of the eye; naked predorsal midline, sides of nape is scaled to just behind the eye; no scales on cheek and opercle; the pelvic fins is connected by a basal membrane reaching to the tips of fifth ray, forming an indented plate; central 4-11 pectoral rays are branched; 5-6 light stripes (orange to red in life) on head and with dark blue interspaces, the body light with distinct scattered oval or round spots (yellowish-orange, orange or reddish in life); the snout is mostly darkly pigmented without distinct stripes in preserved material, but with orange stripes in life; the upper lip largely dark, except posteriorly, usually with orange stripes from the eye obscured by dark pigment on the jaws; uniformly dark lower lip; lower surface of the head with a black curved stripe and with a median black bar connecting to the lower lip; branchiostegal membranes are predominantly light, except for the stripe and the inner margin of the membranes (Ref. 100726).
Body shape (shape guide): elongated; Cross section: compressed.
Common on middle and outer reefs (Ref. 100726).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Winterbottom, R. and D.F. Hoese, 2015. A revision of the Australian species of Trimma (Actinopterygii, Gobiidae), with descriptions of six new species and redescriptions of twenty-three valid species. Zootaxa 3934(1):001-102. (Ref. 100726)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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