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Western Pacific: Japan (Ryukyu Is.), Taiwan to northern Philippines, southwards to about 10°N. Further south, across the equator, iti is replaced by Diancistrus alleni.
Taille / Poids / Âge
Maturité: Lm? range ? - ? cm Max length : 7.0 cm SL mâle / non sexé; (Ref. 559)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 74 - 85; Épines anales: 0; Rayons mous anaux: 58 - 69; Vertèbres: 43 - 45. Diagnosis: This species is distinguished by the following: Vertebrae 11+32-34=43-45, dorsal fin rays 74-85 (usually >77), anal fin rays 58-69, D/V 6 (rarely 7); eyes moderately large (2.4-3.4% SL); outer pseudoclasper with hook-shaped extension oriented backward at 90° angle and slightly bent outwards, with a rounded tip; inner pseudoclasper short, joined to outer pseudoclasper anteriorly, with supporter, with small hook and wide thin flap at its base; scale patch on cheek with 5-6 scale rows on upper cheek, scales on operculum only above opercular spine, 3-7 scales in 2 rows; head profile slender, broad; otolith length to sulcus length about 2.0, sulcus not inclined (Ref. 57884).
Body shape (shape guide): elongated; Cross section: compressed.
Rare species, known from a single male specimen (Ref. 34024). Solitary inhabitant of coral reef crevices to at least 20 m depth, cryptic (Ref 90102).
Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Dynamique des populations Paramètres de croissance Âges / tailles maximales Longueur-poids rel. Rel. longueur-longueur. Fréquences de longueurs Conversion de masse Recrutement Abondance
Cycle de vie Reproduction Maturité Maturité/épines rel. Fécondité Frai Agrégats de frai Œufs Développement de l'œuf Larves Dynamique des populations larvaires
Physiologie Composition corporelle Nutriments Consommation d'oxygène Type de natation Vitesse de nage Pigments visuels Son de poisson Maladies et parasites Toxicité (CL50)
Température préférée (Réf. 123201): 24.3 - 29.3, mean 28.7 °C (based on 1717 cells).
Indice de diversité phylogénétique (Réf. 82804): PD50 = 0.5000 [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): 3.3 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming Fec < 100).
Vulnérabilité de la pêche (Ref. 59153): Low vulnerability (10 of 100). 🛈
