Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 1 - 90 m (Ref. 37816), usually 15 - 30 m (Ref. 9680). Tropical; 30°N - 30°S
Indo-Pacific: East Africa to the Society Islands, north to southern Japan, south to New South Wales. Not present in Hawaii (Ref. 9680). Southeast Atlantic: southeast coast of South Africa (Ref. 4423).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 65.0 cm TL mâle / non sexé; (Ref. 9710)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 14 - 16; Épines anales: 0; Rayons mous anaux: 14 - 16. Spines short (Ref. 1602). Several yellow-edged dark blotches on body (Ref. 559). D. liturosus differs from D. hystrix by its shorter spines and color (Ref. 37816).
Body shape (shape guide): short and / or deep.
Inhabits reef edges and slopes (Ref. 6113, 48637). Hides in caves and ledges during the day and forages at night (Ref. 9680). Also found below plate-corals during the day and often deep, ranging to at least 40 meters depth. Juveniles occur in lagoons and estuaries (Ref. 48637). Solitary. Feeds on crustaceans and mollusks. Not usually marketed (Ref. 9680).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Reports of ciguatera poisoning (Ref. 30303)
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 24.7 - 29.1, mean 28.1 °C (based on 798 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.04786 (0.01950 - 0.11750), b=2.82 (2.61 - 3.03), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.37 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Moderate to high vulnerability (46 of 100).
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Nutriments (Ref.
124155): Calcium = 30.1 [13.0, 71.5] mg/100g; Iron = 0.568 [0.289, 1.262] mg/100g; Protein = 18.5 [16.3, 20.6] %; Omega3 = 0.109 [0.055, 0.204] g/100g; Selenium = 52.1 [26.5, 109.5] μg/100g; VitaminA = 30.1 [8.7, 111.5] μg/100g; Zinc = 0.869 [0.589, 1.298] mg/100g (wet weight);