Actinopterygii (ray-finned fishes) > Myctophiformes
(Lanternfishes) > Myctophidae
(Lanternfishes) > Myctophinae
Etymology: Gonichthys: Greek, gonio = angle + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 0 - 1450 m (Ref. 104125), usually 425 - 650 m (Ref. 4479). Deep-water; 50°N -
Eastern Atlantic: Portugal to Liberia and from Angola to South Africa including eastern Mediterranean. Western Atlantic: about 50°N, east of 40°W or south of the Slope Water Region west of 40°W to about Brazil (absent over the minimum region off Brazil and lower abundance in the South Sargasso Sea).
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 4 - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 4479)
Oceanic, found between 425-1,000 m during the day with maximum abundance at 425-650 m (Ref. 4479). Nyctoepipelagic from the surface to 175 m (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. 120744)
CITES (Ref. 115941)
Threat to humans
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 6.1 - 14.3, mean 10.8 (based on 202 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.31 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .