Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Diceratiidae
(Double anglers (Ref. 07463) or Doublespine Seadevils (Ref. 86949))
Etymology: Diceratias: Greek, di = two, double + Greek, keras or keratos = horn, horned (referring to the two conspicuous dorsal-fin spines in the larvae and young females) (Ref. 86949).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range - 1216 m (Ref. 46206), usually - m (Ref. ). Deep-water; 0°C -
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL (female)
Morphology | Morphometrics
soft rays: 4 - 5. Distinguishing characteristics of metamorphosed female: esca unusually large and laterally compressed esca, greatest width more than 1.5 times its length; terminal escal papilla, rounded; well developed posterior and anterior escal appendages, usually bearing 1 or more tiny, slender terminal filaments; upper jaw with 67-111teeth, lower jaw 51-68 teeth; vomerine teeth 6-10 (Ref. 86949).
Specimens trawled off from bottom at depth up to 1216 m (Ref. 86949).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N. (ed.), 2003. Catalog of fishes. Updated database version of March 2003. Catalog databases as made available to FishBase in March 2003. (Ref. 46206)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.9 ±0.6 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .