Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 2 - 40 m (Ref. 90102). Subtropical
Indo-West Pacific: Maldive Islands to Micronesia and Fiji, north to Ryukyu Islands.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm SL mâle / non sexé; (Ref. 559)
Épines dorsales (Total): 3; Rayons mous dorsaux (Total): 43-45; Épines anales 1; Rayons mous anaux: 39 - 42. Identified by the long filaments on the dorsal fin of the male (Ref. 48636). Body scaleless above and below lateral line on anterior half (Ref 12934).
Found in coastal reef slopes and deep outer reef lagoons in current channels. Usually in large groups with several large males (Ref. 48636). Inhabits sand-rubble bottoms (Ref. 90102). Found hovering above sandy slopes. Usually forms a harem of one male-phase fish and about a dozen female-phase fish (Ref. 37240). Normally buried when no current is running (Ref. 48636).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Shimada, K. and T. Yoshino, 1984. A new trichonotid fish from the Yaeyama Islands, Okinawa Prefecture, Japan. Jap. J. Ichthyol. 31(1):15-22. (Ref. 37240)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.8, mean 27.4 °C (based on 184 cells).
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).