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Anguilliformes (Eels and morays) >
Muraenidae (Moray eels) > Muraeninae
Etymology: Echidna: Greek, echidna = viper, 1847 (Ref. 45335).
Eponymy: In Greek mythology Echidna was a female monster, and mother of many other monsters including the Hydra. Hesiod described her as “half a nymph with glancing eyes and fair cheeks, and half again a huge snake, great and awful, with speckled skin.” (Ref. 128868), visit book page.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 0 - 48 m (Ref. 58302), usually ? - 10 m (Ref. 30404). Tropical; 32°N - 33°S, 27°E - 76°W
Indo-West Pacific: Red Sea and East Africa (Ref. 33390) and Persian Gulf (Ref. 68964) to the Society Islands, north to southern Japan and the Hawaiian Islands, south to Lord Howe Island; throughout Micronesia. Eastern Central Pacific: southern Baja California, Mexico and from Costa Rica to northern Colombia (Ref. 9324). Also found in Southeast Atlantic.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 100.0 cm TL maschio/sesso non determinato; (Ref. 48635); common length : 50.0 cm TL maschio/sesso non determinato; (Ref. 3258)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 0; Spine anali: 0; Raggi anali molli: 0; Vertebre: 119 - 126. Body white with 2 rows of large dendritic black blotches; black spots between blotches become irregularly linear with age. Yellow eyes (Ref. 48635).
Body shape (shape guide): eel-like; Cross section: compressed.
Found between rocks and corals of intertidal reef flats, also in shallow lagoon and seaward reefs to depths of at least 10 m (Ref. 9710, 58302). Benthic (Ref. 58302). Nocturnal (Ref. 68964). Feed mainly on crustaceans. Protogynous hermaphroditism unconfirmed for this species (Ref. 84746). Safely kept with small aquarium fishes (Ref. 9710). Solitary, seen usually in the open or with only head exposed (Ref 90102). Minimum depth reported taken from Ref. 86942.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Protogyny unconfirmed (Ref. 84746).
Chen, H.-M., K.-T. Shao and C.T. Chen, 1994. A review of the muraenid eels (Family Muraenidae) from Taiwan with descriptions of twelve new records. Zool. Stud. 33(1):44-64. (Ref. 6934)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale; Acquario: Commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 24.9 - 29.3, mean 28.4 °C (based on 3674 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00034 (0.00022 - 0.00052), b=3.32 (3.20 - 3.44), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 4.2 ±0.71 se; based on food items.
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
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Nutrients (Ref.
124155): Calcium = 27.5 [14.8, 48.7] mg/100g; Iron = 0.421 [0.252, 0.924] mg/100g; Protein = 18.8 [16.5, 21.4] %; Omega3 = 0.102 [0.046, 0.288] g/100g; Selenium = 45.1 [24.8, 87.6] μg/100g; VitaminA = 58.5 [17.3, 181.5] μg/100g; Zinc = 0.886 [0.630, 1.224] mg/100g (wet weight);
