Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (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 author: McCosker.
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. 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
): 3.7 - 6.8, mean 5.2 (based on 10 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00749 - 0.05313), b=2.95 (2.72 - 3.18), 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. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (35 of 100) .