Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Gonostomatidae
Etymology: Diplophos: Greek, diploos, = double + Greek, phos = light.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 1594 m (Ref. 74511), usually 0 - 800 m (Ref. 4769). Deep-water; 40°N - 30°S
Cosmopolitan. Eastern Atlantic: Portugal (Ref. 4769) south to Gulf of Guinea (Ref. 4463); Namibia and South Africa (Ref. 3991). Northwest Atlantic: Canada (Ref. 5951). Western Atlantic and Indo-Pacific: in tropical and subtropical waters. Eastern Pacific: California Current region (Ref. 35800); Chile (Ref. 9068). South China Sea (Ref.74511).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.6 cm SL male/unsexed; (Ref. 4463); common length : 20.0 cm SL male/unsexed; (Ref. 47377)
Mesopelagic at 15-650 m (Ref. 58302). Exhibit diel vertical migrations, juveniles and adults found at 300-800 m by day and often reach the surface at night (Ref. 4769). Early stages at 450-610m (Ref. 035800). Oviparous, with planktonic eggs and larvae (Ref. 35800).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Gonostomatidae. p. 283-292. 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. 4463)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 8.2 - 28.8, mean 26 (based on 8446 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.40 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (44 of 100) .