Somalian sand diver (Trichonotus somaliensis) is a ray-finned fish of the family Trichonotidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 8.3 cm. It occurs at depths between 37 and 78 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.
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 .: elongated; Cross section: circular.
Behavioural data for Somalian sand diver is currently being reviewed.
Diet information for Somalian sand diver is currently being compiled.
Reproduction data for Somalian sand diver is currently being compiled.
Marine; demersal; depth range 37 - 78 m . Tropical known only from Somalia.
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