Actinopterygii (ray-finned fishes) > Myctophiformes
(Lanternfishes) > Myctophidae
(Lanternfishes) > Lampanyctinae
Etymology: Ceratoscopelus: Greek, keras, -atos = horn + Greek, skopelos = a lantern fish (Ref. 45335); townsendi: Named after C.H. Townsend, naturalist on the Albatross (Ref. 6885).
Environment / Climate / Range
Marine; bathypelagic; depth range 100 - 500 m (Ref. 51600). Deep-water; 55°N -
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.4 cm TL male/unsexed; (Ref. 4925)
Morphology | Morphometrics
Countries | FAO areas | Ecosystems | Occurrences | SELECT
scientificname = Ceratoscopelus townsendi
LIMIT 1Point map | Introductions | Faunafri
Circumglobal. Common south of 35°N. North Pacific: off Japan (Ref. 11721), Hawaii (Ref. 11750), and from off southern British Columbia, Canada to southern California, USA. Western Central Atlantic: Cuba. Southeast Atlantic: Agulhas Current Region (Ref. 41388).
Bathypelagic at 0-200 m at night, 425-1500 m during day (Ref. 58302). Epipelagic to mesopelagic (Ref. 31442). Depth range is between 300 to 600m during the day, and from 25 to 300 at night (Ref. 54154). Reported to feed on crustaceans (Ref. 6885). Oviparous, with planktonic eggs and larvae (Ref. 31442).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hart, J.L., 1973. Pacific fishes of Canada. Bull. Fish. Res. Board Can. 180:740 p. (Ref. 6885)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00250 - 0.01151), b=3.08 (2.89 - 3.27), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.50 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
): Low to moderate vulnerability (33 of 100) .