Teleostei (teleosts) > 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 - 375 m (Ref. 58018). Deep-water
Southeast Pacific: off Ecuador and Galapagos Island.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 26775)
Morphology | Morphometrics
Vertebrae: 32 - 33. AC photophores 20-24, usually 22-23. First PV photophores of the right and left sides adjoining (separate in all other species) Head 30-34% SL, eye 11-13% SL, upper jaw 18-20% SL, maximum body depth well behind pectoral fin base 27-31% SL. Stomach intensely 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. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 10.1 - 14.7, mean 13.8 °C (based on 6 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00192 - 0.01087), b=3.16 (2.95 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-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).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).