Actinopteri (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Sternoptychidae
(Marine hatchetfishes) > Maurolicinae
Etymology: Maurolicus: Greek,mauros, -os, -on = dark + Greek,lykos = wolf (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 50 m (Ref. 58018). Deep-water; 6°N - 37°S, 10°E - 53°E
Southeast Atlantic: Along the continental slope of southwestern Africa. Western Indian Ocean: found in seamounts occurring in the area, with the most eastern record at 35°30'S, 53°E.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm SL male/unsexed; (Ref. 26775)
Morphology | Morphometrics
Vertebrae: 33 - 35. AC photophores 22-27, usually 24-26. Head 29-31% SL, eye 10-11.5% SL, upper jaw 16-19% SL, maximum body depth well behind pectoral fin base 23-25%. Stomach pigmented, hind portion of intestine not pigmented (Ref. 26775).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Parin, N.V. and S.G. Kobyliansky, 1996. Diagnoses and distribution of fifteen species recognized in genus Maurolicus Cocco (Sternoptychidae, Stomiiformes) with a key to their identification. Cybium 20(2):185-195. (Ref. 26775)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 14.7 - 21.1, mean 16.8 °C (based on 16 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.1 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 1,000).
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .