Actinopteri (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Oneirodidae
Etymology: Oneirodes: Greek, 'oneiros' = a dream or dreamlike or out of a dream (suggesting this fish is so strange and marvelous that can exist only in dreams) (Ref. 86949).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 1500 m (Ref. 58018). Deep-water; 40°N - 30°N
Eastern Central Atlantic: Off Madeira.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.6 cm SL (female)
Morphology | Morphometrics
soft rays: 4. Characterized by having branched anterior and posterior escal appendages; medial appendage long, unpigmented, highly branched and terminating in numerous filaments; well developed multiple anterolateral appendages and united at their bases; absence of indentation on posterodorsal margin of subopercle; length of ventral fork opercle 23.1% SL; ratio of lengths of dorsal and ventral forks of opercle 0.47; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 57, lower jaw teeth 53; teeth on vomer 6; dorsal fin rays 5; anal fin rays 4; pectoral fin rays 16; head length 31.1% SL; head width 21.0% SL; head depth 37.0% SL; premaxilla length 25.2% SL; lower jaw length 39.9% SL; illicium length 17.2% SL (Ref. 86949)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Swinney, G.N. and T.W. Pietsch, 1988. A new species of the ceratioid anglerfish genus Oneirodes (Pisces: Lophiiformes) from the eastern North Atlantic off Madeira. Copeia 1988(4):1054-1056. (Ref. 36334)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.4 - 3, mean 2.5 °C (based on 73 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±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.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .