Actinopteri (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Chauliodontinae
Etymology: Chauliodus: Greek, chaulios, chaulos, chaunos = to be with the mouth opened + Greek, odous = teeth (Ref. 45335). More on authors: Regan & Trewavas.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range - 500 m (Ref. 5951), usually - m (Ref. ). Deep-water; 0°C - ; 42°N - 14°N, 98°W - 5°W
Eastern Atlantic: Portugal south to Cape Verde. Western Atlantic: Gulf of Mexico and eastern Caribbean Sea. Northwest Atlantic: Canada (Ref. 5951).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 3588)
soft rays: 10 - 11. Dorsal fin posterior. Small photophores between the lateral and ventral rows of large serial organs consistently spaced between successive large organs. Dark, sometimes paler below. Body marked with five rows of hexagonal pigment areas (Ref. 37473).
An oceanic and mesopelagic species (Ref. 3588). May migrate to near-surface waters at night (Ref. 4759). Feeds on fishes and crustaceans (Ref. 4759).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Parin, N.V., 1990. Chauliodontidae. p. 293-295. 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. 3588)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 14.8 - 26.5, mean 20.7 °C (based on 126 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00234 (0.00105 - 0.00523), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.66 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Low vulnerability (25 of 100) .