Trichonotus arabicus Randall & Tarr, 1994
Arabian sand diver
Trichonotus arabicus
photo by Randall, J.E.

Family:  Trichonotidae (Sanddivers)
Max. size:  14.5 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 2 m
Distribution:  Western Indian Ocean: Persian Gulf to southern Oman.
Diagnosis:  Dorsal spines (total): 3-4; Dorsal soft rays (total): 44-47; Anal spines: 1-1; 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.
Biology:  Feeds on zooplankton about half a meter above the sand substratum (Ref. 10682).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:  Museum: south end of Tarut Island, Tarut Bay, Arabian Gulf, BPBM 35746 (holotype, 13.5 cm SL, male); BMNH 1993.10.7:1 (paratype); BPBM 33142 (paratype); CAS 80524 (paratype); RUSI 42715 (paratype); USNM 326971 (paratype). Jubail, Arabian Gulf, BPBM 3115 (paratype). Tarut Bay, BPBM 33146 (paratype). Jana Island, SMF 26994 (paratype); SNMNH F50 (paratype).


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