Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335).
Eponymy: Dr Richard ‘Rick’ Winterbottom (d: 1944) is an evolutionary biologist and ichthyologist who was born in Zambia. [...] (Ref. 128868), visit book page.
More on authors: Randall & Downing.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 5 - 21 m (Ref. 11441). Tropical
Indian Ocean: Saudi Arabia to western Thailand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm TL male/unsexed; (Ref. 11441)
Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 9 - 10. Diagnosis: This species has a frontal ridge behind the orbits that slopes steeply into a wide interorbital trench anteromedially, and into postorbital trenches laterally ; posterior nasal opening adnate to eye; no elongate dorsal spines; second dorsal with 10 or more elements; fifth pectoral ray with two sequential branches (occasionally one dichotomous branch); 18 or
more pectoral rays; no scales on head; body color orange-red with four white bars on dorsum, and light orange blotches on white colored head and nape; dark triangular group of melanophores above opercle (Ref. 57688).
Body shape (shape guide): fusiform / normal.
Inhabits coral reefs and within the reef-rubble slope (Ref. 11441, 57688).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E., 1995. Coastal fishes of Oman. University of Hawaii Press, Honolulu, Hawaii. 439 p. (Ref. 11441)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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