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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 / profondeur / distribution range
Écologie
marin démersal; profondeur 11 - 35 m (Ref. 90102). Tropical
Western Pacific: Papua New Guinea (Ref. 26146) and Indonesia (Ref. 28620).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 15.0 cm TL mâle / non sexé; (Ref. 48636)
Rayons mous dorsaux (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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Réf.
123201): 27.5 - 29, mean 28.2 °C (based on 50 cells).
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.48 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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