Actinopteri (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 900 - 2000 m (Ref. 3991), usually - m (Ref. ). Deep-water; 0°C -
Southwest Pacific: New Zealand (Ref. 5755). Southeast Pacific: Chile (Ref. 9068). South Atlantic.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 3991)
soft rays: 47 - 53. Head grey to black-brown in color; sides of body pale yellow with darker dotted pigmentation; fins colorless except caudal with melanophores and dorsal with light pigmentation (Ref. 3991).
Mesopelagic species (Ref. 7300, 75154). Postlarvae and juveniles occur near the surface at night. In southern Atlantic and southeastern Pacific, adults are usually found at depths between 100-2,000 m (Ref. 3991). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Schaefer, S., R.K. Johnson and J. Badcock, 1986. Gonostomatidae. p. 247-253. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3991)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.2 - 4.9, mean 3.6 °C (based on 394 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00158 (0.00061 - 0.00411), b=3.05 (2.82 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (35 of 100) .