Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 350 - 430 m (Ref. 91153). Deep-water
North Central Pacific: Kyushu-Palau Ridge and Emperor Seamounts.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 12.8 cm SL mâle / non sexé; (Ref. 10940)
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 9; Épines anales: 3; Rayons mous anaux: 5; Vertèbres: 25. This species is distinguished by the following set of characters: 9 dorsal-fin rays 9; 17-19 pectoral-
fin rays; ctenoid scales in interorbital space and cycloid scales on belly; origin of the first dorsal-fin spine is slightly posterior to a vertical drawn through supracleithral spine base; posterior tip of pectoral fin do not reach the anal-fin origin; head length 44.4-46.0% SL (Ref. 91153).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ishida, M. and K. Amaoka, 1992. A new species of the fish genus Idiastion (Pisces: Scorpaenidae) from the Kyushu-Palau Ridge, Western Pacific. Jap. J. Ichthyol. 38(4):357-360. (Ref. 10940)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 9.6 - 13.5, mean 12.9 °C (based on 9 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00620 - 0.02676), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).