Actinopteri (ray-finned fishes) > Scombriformes
(Mackerels) > Bramidae
Etymology: Eumegistus: Greek, eu = good + Greek , megistos, -e, -on = very big, powerfull (Ref. 45335). More on author: Poey.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 384 - 1317 m (Ref. 82736), usually - m (Ref. ). Deep-water; 0°C - ; 29°N - 16°S, 95°W - 32°W
Western Central Atlantic: Bahamas, Carribean Sea, Gulf of Mexico, Colombia and Venezuela. Southwest Atlantic: Fernando de Noronha Archipelago and Bahia, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm FL male/unsexed; (Ref. 40637); max. published weight: 3.1 kg (Ref. 40637)
All adults have been taken from off large islands (Ref. 4936). Meso/bathypelagic species (Ref. 82736). Feeds on fishes, crustaceans, cephalopods and worms (Ref. 82736).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gomes, J., 1990. Bramidae. p. 758-764. 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). JNCT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4936)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 6.1 - 12.5, mean 8.4 °C (based on 88 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00782 - 0.04232), b=2.96 (2.76 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.5 ±0.61 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Fec > 10,000).
Vulnerability (Ref. 59153
): High vulnerability (60 of 100) .