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Gobiiformes (Gobies) >
Trichonotidae (Sanddivers)
Etymology: Trichonotus: Greek, thrix = hair + Greek, noton = back (Ref. 45335); somaliensis: Named for Somalia, its type locality.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 37 - 78 m (Ref. 93824). Tropical
Western Indian Ocean: known only from Somalia.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL male/unsexed; (Ref. 93824)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 3 - 4; Dorsal soft rays (total): 44 - 47; Anal soft rays: 35 - 38; Vertebrae: 52 - 54. This species is distinguished from its congeners in having the following characters: D III-IV, 44-47; A 35-38; lateral-line scales 54-56; gill rakers 5-6 + 18-24; entire body with scales; both sexes have a longitudinal row of 12-14 blotches on body; elongated dorsal-fin spines absent, but with high dorsal fin overall; males with first dorsal-fin soft ray length 19-28% of SL; absence of free dorsal pterygiophores (Ref. 93824).
Body shape (shape guide): elongated; Cross section: circular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Katayama, E., H. Motomura and H. Endo, 2012. A new species of Trichonotus (Perciformes: Trichonotidae) from Somalia and redescription of Trichonotus cyclograptus (Alcock, 1890) with designation of a lectotype. Zootaxa 3565:31-43. (Ref. 93824)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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