Classification / Names
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Anguilliformes (Eels and morays) >
Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335); ryukyuensis: 'ryukyuensis', i.e., from its locality, the Ryukyu Islands, Amami Island south to Yaeyama Islands where the type series was collected (Ref. 87015).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal. Subtropical
Northwest Pacific: Japan (Ryukyu Islands).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 95.1 cm TL mâle / non sexé; (Ref. 87015)
The largest specimen observed was male, 95.1 cm, total length (Ref .87015).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hatooka, K., 2003. A new moray eel, Gymnothorax ryukyuensis, from the western Pacific Ocean (Anguilliformes: Muraenidae). Bulletin of the Osaka Museum of Natural History 57:1-9. (Ref. 87015)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00048 (0.00025 - 0.00091), b=3.28 (3.12 - 3.44), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).