Actinopteri (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Gigantactinidae
Etymology: Gigantactis: Greek, 'gigas' or 'gigantos' = gigantic + Greek, 'aktis' = ray (referring to the unusually long first dorsal-fin spine that functions as a lure in this genus) (Ref. 86949). More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 2000 - 2500 m (Ref. 86949). Deep-water
Atlantic Ocean: in tropical waters.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.7 cm TL male/unsexed; (Ref. 44404)
Morphology | Morphometrics
soft rays: 5 - 6. Metamorphosed females distinguished by the following characteristics: length of illicium less than 120% SL (104-107%SL); escal bulb with an elongate darkly pigmented spinulose distal prolongation; presence of short distal and slender proximal escal filaments; absence of distally flattened escal papillae; illicium without posterior pair of papillae; dentary teeth in posterior part of jaw in three longitudinal series; rays of caudal fin less than 30% SL (Ref. 86949).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bertelsen, E., 1990. Gigantactinidae. p. 513-515. In J. C. Quero, J. C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 10761)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 3.2 - 4.2, mean 3.6 °C (based on 93 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [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
): 3.7 ±0.6 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .