Actinopteri (ray-finned fishes) > Scombriformes
(Mackerels) > Trichiuridae
(Cutlassfishes) > Aphanopodinae
Etymology: Benthodesmus: Greek, benthos = depth of the sea + Greek, desmos = bond, chain (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 100 - 1000 m (Ref. 6181), usually - m (Ref. ). Deep-water; 0°C - ; 50°N - 21°N, 127°E - 117°W (Ref. 6181)
North Pacific: off Japan, Ryukyu Islands, Kyushu-Palau Ridge, British Columbia, Canada and California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 112 cm SL male/unsexed; (Ref. 6181)
Morphology | Morphometrics
Occurs from 305 m (depth of specimens hooked off Manazuru, Japan) and deeper, sometimes migrating to the surface. Juveniles mesopelagic from 100 to 500 (1000) m depth.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 0.7 - 15.6, mean 7.1 °C (based on 84 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00046 (0.00020 - 0.00104), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.2 ±0.7 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 to high vulnerability (51 of 100) .