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Gobiiformes (Gobies) >
Trichonotidae (Sanddivers)
Etymology: Trichonotus: Greek, thrix = hair + Greek, noton = back (Ref. 45335).
Eponymy: Robert A ‘Bob’ Halstead (1944–2018) was an early innovator in the development of dive tourism, pioneer diving instructor and underwater photographer. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 11 - 35 m (Ref. 90102). Tropical
Western Pacific: Papua New Guinea (Ref. 26146) and Indonesia (Ref. 28620).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 48636)
Dorsal soft rays (total): 39 - 41. Trichonotus halstead is similar to T. setiger but has a beautifully colored dorsal fin (Ref. 48636). No free pterygiophores under dorsal fin (Ref 12934).
Body shape (shape guide): elongated.
Like other sand divers, it occurs on sand slopes with strong currents at times (Ref. 48636). Minimum depth reported from Ref. 26146.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Clark, E. and M. Pohle, 1996. Trichonotus halstead, a new sand-diving fish from Papua New Guinea. Environ. Biol. Fishes 45(1):1-11. (Ref. 26146)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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