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Anguilliformes (Eels and morays) >
Congridae (Conger and garden eels) > Heterocongrinae
Etymology: Heteroconger: Greek, heteros = other + Latin, conger = conger (Ref. 45335).
Eponymy: Hans Hass (1919–2013) was an Austrian biologist, underwater cinematographer and scuba-diving pioneer. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina revassocierade; ej vandrande; djupintervall 1 - 50 m (Ref. 90102). Tropical; 25°C - 29°C (Ref. 130583); 30°N - 23°S
Indo-Pacific: Red Sea and East Africa to the Society Islands, north to the Ryukyu and the Ogasawara islands, south to northwestern Australia and New Caledonia; throughout Micronesia (Ref. 1602).
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 45.0 cm TL hane/ej könsbestämd; (Ref. 130583)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 449 - 540; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 273 - 334; Ryggkotor: 163 - 177. Variable but usually two large black spots are obvious; body diameter to about 14 mm (Ref. 48635). Anterior nostrils included in continuous free labial flange. Pectoral fins minute. Total vertebrae 163-177, anal origin below vertebra 59-66.
Body shape (shape guide): eel-like; Cross section: circular.
Often found on sandy slopes below 15 m; withdraws into its burrow when approached. Usually in colonies containing up to several hundred individuals. Adults feed on zooplankton (Ref. 89972). Minimum depth reported taken from Ref. 86942.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 25.4 - 29, mean 28 °C (based on 654 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
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Nutrients (Ref.
124155): Calcium = 60.3 [33.5, 97.1] mg/100g; Iron = 0.698 [0.420, 1.147] mg/100g; Protein = 18.2 [15.2, 21.2] %; Omega3 = 0.111 [0.051, 0.316] g/100g; Selenium = 38.9 [21.1, 80.8] μg/100g; VitaminA = 97.6 [27.9, 327.8] μg/100g; Zinc = 1.2 [0.8, 1.7] mg/100g (wet weight);
