Actinopteri (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Caulophrynidae
Etymology: Robia: Named after Bruce H. Robison (nicknamed "Robie"), cruise leader of the 1975 'Alpha Helix' Southeast Asian Bioluminescence Expedition where the only known specimen of 'Robia' was collected. (Ref. 86949).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 1000 - 1500 m (Ref. 40966), usually - m (Ref. ). Deep-water; 0°C -
Western Central Pacific.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Morphology | Morphometrics
soft rays: 5. Metamorphosed females distinguished by the following characteristics: long ilicium 268.3% SL; fewer, relatively short median fin rays; dorsal fin rays 6, length of longest rays less than 65%SL; anal fin rays 5, length of longest rays less than 40%SL; upper jaw teeth 33; lower jaw teeth 31; teeth on vomer 4 (Ref. 86949).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pietsch, T.W., 1999. Caulophrynidae. Fanfin anglerfishes (deep-sea anglerfishes). p. 2026. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the WCP. Vol. 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome. (Ref. 12941)
IUCN Red List Status (Ref. 124695)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 1.0312 [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
): 4.0 ±0.6 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .