Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Ogcocephalidae
Etymology: Dibranchus: Greek, di = two + Greek, brangchia = gills (Ref. 45335); discors: Named refers to the aberrant shape of the head and illicial bone (discors = different)..
More on authors: Bradbury, McCosker & Long.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 310 - 965 m (Ref. 40826). Deep-water
Southeast Pacific: Galapagos Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.8 cm SL male/unsexed; (Ref. 40826)
Morphology | Morphometrics
soft rays: 4;
Vertebrae: 18 - 20. No tubercles in skin covering eyeballs and on ventral surface of disk except a few near bases of pelvic fins. Interorbital and mouth both exceptionally narrow. Conspicuous chalk-white oval marking on midline of lower jaw. Teeth present on palatines and vomer. Cephalic lateral-line counts: subopercular usually 6; preopercular 2. Tail lateral-line counts 9-13. Paired fins slender, moderately strong with fin membranes transparent. Tips of pectoral rays fleshy. No tubercles on fins (Ref. 35447, 40826).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bradbury, M.G., 1999. A review of the fish genus Dibranchus with descriptions of new species and a new genus, Solocisquama (Lophiiformes, Ogcocephalidae). Proc. Calif. Acad. Sci. 51(5):259-310. (Ref. 40826)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 3.7 - 6.8, mean 5.2 °C (based on 10 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00770 - 0.05171), b=2.96 (2.73 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.6 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.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).