Actinopterygii (ray-finned fishes) > Myctophiformes
(Lanternfishes) > Myctophidae
(Lanternfishes) > Lampanyctinae
Etymology: Diaphus: Greek, dis, dia = through + Greek, physa, phyo = to beget, to have as offspring (Ref. 45335).
Environment / Climate / Range
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 200 - 600 m (Ref. 58018). Deep-water; 42°N - 33°S
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 3 - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 4479)
Countries | FAO areas | Ecosystems | Occurrences | SELECT
scientificname = Diaphus brachycephalus
LIMIT 1Point map | Introductions | Faunafri
Circumglobal: In tropical to subtropical waters. Eastern Atlantic: Morocco to Angola. Western Atlantic: USA to Uruguay. Western Pacific: warmer waters and in Kuroshio (Japan Current). Indian Ocean: Mozambique Channel and Agulhas Current. Elsewhere, in the eastern Pacific. South China Sea (Ref.74511).
High-oceanic (Ref. 4479). Mesopelagic (Ref. 58302). Found between 175-550 m during the day and near the surface to about 225 m at night (Ref. 4066, 58302). Large males partially or non-migratory (Ref. 4066). Exhibits dwarfing in minimum region off Brazil with a maximum length of about 3.6 cm SL and sexual maturity from about 2.7 cm SL (Ref. 4479).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hulley, P.A., 1990. Myctophidae. p. 398-467. 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. 4479)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00382 - 0.02179), b=3.04 (2.82 - 3.26), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (22 of 100) .