Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Congridae
(Conger and garden eels) > Congrinae
Etymology: Rhynchoconger: Greek, rhingchos = snout + Latin, conger = conger (Ref. 45335); trewavasae: Named for Ethelwynn Trewavas.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 300 - 500 m (Ref. 7446). Deep-water; 34°N - 28°N, 34°E - 36°E
Western Indian Ocean: Gulf of Aqaba. Also found in the Mediterranean coast of Israel. Probably occurring in the Gulf of Suez but no specimens are available.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 57.0 cm TL male/unsexed; (Ref. 7446); common length : 45.0 cm TL male/unsexed; (Ref. 43448)
Swims close to the bottom in zigzag movements. Caught by traps and trammel nets (Ref. 7446).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ben-Tuvia, A., 1993. A review of the Indo-west Pacific congrid fishes of genera Rhynchoconger and Bathycongrus with the description of three new species. Isr.l J. Zool. 39:349-370. (Ref. 7446)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00060 (0.00027 - 0.00136), b=3.20 (3.01 - 3.39), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (42 of 100) .