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> Synbranchiformes (Spiny eels) > Synbranchidae (Swamp-eels)
Etymology: Ophisternon: Greek, ophis = serpent + Greek, sternon = chest (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce; salobre demersal; pH range: 6.8 - 7.3; potamodromo (Ref. 51243); rango de profundidad 0 - 3 m (Ref. 35740). Tropical; 21°S - 23°S

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Oceania: Western Australia. Threatened (Ref. 35740).

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.0 cm TL macho / no sexado; (Ref. 2906); common length : 34.0 cm SL macho / no sexado; (Ref. 35740)

Short description Claves de identificación | Morfología | Morfometría

Vértebra: 150. Body extremely elongated, eel-like and roundish. No fins except a thin rayless finfold near and around the tip of the tail. No externally visible eyes. The lateral line system is distinct and continues to near the tip of the tail. Anus in anterior half of the body. Whitish coloration in the skin.

Facultative air-breathing (Ref. 126274); Adults occur in subterranean systems (uniquely adapted to life in dark caverns and fissures). Inhabit dark subterranean waters beneath coastal limestone, occasionally sighted in wells. Burrow into soft bottom sediments. Water is brackish and under tidal influence. Can adapt to living in a lightless environment (Ref. 44894). Are carnivores feeding on invertebrates, egg layer and prefer the following aquarium conditions: pH=7.8, H=15, 25°C water temperature, salinity 1-8 ppt; rocky substrate (note that this is not a species recommended for beginning aquarists, Ref. 6398, 44894). The male guards and builds nest or burrow (Ref. 205).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

The male guards and builds nest or burrow (Ref. 205).

Main reference Upload your references | Referencias | Coordinador : Fávorito, Sandra | Colaboradores

Romero, A. and P.B.S. Vanselow, 2000. Threatened fishes of the world: Ophisternon candidum (Mees, 1962) (Synbranchidae). Environ. Biol. Fishes 58(2):214. (Ref. 35740)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Endangered (EN) (B2ab(iii)); Date assessed: 16 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: sin interés; Acuario: Comercial

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00085 (0.00039 - 0.00184), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.5 ±0.37 se; based on food items.

Resiliencia (Ref. 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (30 of 100).

Ophisternon candidum (Mees, 1962)