Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Congridae
(Conger and garden eels) > Congrinae
Etymology: Blachea: Named for J. Blanche, in recognition of his many contributions to the knowledge on anguilliform fishes, both adults and larvae.; xenobranchialis: Name from the Greek 'xenos' (= strange) and 'branchos' (= gill), referring to the unique free branchiostegals; an adjective.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 348 - 385 m (Ref. 56403). Tropical
Indo-West Pacific: a new record for northwestern Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 47.5 cm TL male/unsexed; (Ref. 56403); 37.5 cm TL (female)
A benthic species (Ref. 75154) found on soft bottom of the continental slope (Ref. 7300, 75154) and shelf (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Karrer, C. and D.G. Smith, 1980. A new genus and species of congrid eel from the Indo-west Pacific. Copeia 1980(4):642-648. (Ref. 56403)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 8.9 - 10.9, mean 10.3 (based on 10 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00063 (0.00028 - 0.00142), b=3.18 (2.99 - 3.37), 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. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (36 of 100) .