Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 27 - 46 m (Ref. 57884). Tropical
Central Pacific: apparently endemic to the Pohnpei State, Micronesia. Appears to be allopatric with Diancistrus eremitus (from Hermit and Stewart Is. And Fiji further south) and with Diancistrus mennei (from Marshall and possibly Kiribati).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm SL mâle / non sexé; (Ref. 57884); 5.9 cm SL (female)
Description synthétique
Morphologie | Morphométrie
Rayons mous dorsaux (Total): 83-85; Rayons mous anaux: 66 - 69; Vertèbres: 45 - 46. The species is characterized by the following: vertebrae 11+34-35=45-46, dorsal fin rays 83-85, anal fin rays 66-69; very large eyes (>3.0% SL), D/V 6; outer pseudoclasper large, more than twice the length of inner pseudoclasper, wing-shaped, with moderately narrow base and strongly expanded tip with fleshy bulge; inner pseudoclasper joined to outer pseudoclasper anteriorly, thin, with single sharply pointed tip, slightly extending over anterior part of outer pseudoclasper; moderately broad scale patch on cheek with 5-6 scale rows on upper cheek, 2-3 scales on operculum above opercular spine (1 row); the head massive; otolith moderately slender, length to height ratio 1.9-20 (Ref. 57884).
Life cycle and mating behavior
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)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Preferred temperature (Ref.
123201): 28 - 28.7, mean 28.7 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).