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Gobiiformes (Gobies) >
Trichonotidae (Sanddivers)
Etymology: Trichonotus: Greek, thrix = hair + Greek, noton = back (Ref. 45335).
More on authors: Randall & Tarr.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 2 m (Ref. 10682). Tropical
Western Indian Ocean: Persian Gulf to southern Oman.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.5 cm TL male/unsexed; (Ref. 11441)
Dorsal spines (total): 3 - 4; Dorsal soft rays (total): 44 - 47; Anal spines: 1; Anal soft rays: 36 - 39; Vertebrae: 52 - 54. Females with an indistinct narrow dark stripe on body above lateral line and no black on anterior part of dorsal fin; males with a longitudinal row of 14 brown spots and 3 rows of small, dark edged, pale blue spots on body; dorsal and anal fins with a row of yellow dots on each membrane.
Body shape (shape guide): elongated.
Feeds on zooplankton about half a meter above the sand substratum (Ref. 10682).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E. and A.B. Tarr, 1994. Trichonotus arabicus (Perciformes: Trichonotidae), a new species of sand diver from the Arabian Gulf and Oman. Fauna of Saudi Arabia 14:309-316. (Ref. 10682)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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