Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Zoarcidae
(Eelpouts) > Lycodinae
Etymology: Pyrolycus: Greek, pyr = fire + Greek, lykos = wolf (Ref. 45335); manusanus: Named for its type locality, Manus Basin.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 1623 - 1971 m (Ref. 41628). Deep-water
Western Central Pacific: Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.1 cm SL male/unsexed; (Ref. 41628)
Morphology | Morphometrics
Vertebrae: 78 - 81. Flesh gelatinous. Head without dermal papillae. Gill slit large, extending ventrally beyond the pectoral fin absent. Suborbital bones 6; canal with 6-7 pores. Postorbital pores 3; occipital 1. Palatopterygoid series weak. Scales, lateral line and pseudobranch absent.. Teeth on vomer and palatine present. Caudal fin rays 8-10 (Ref. 41628).
Stomach contents include bresiliid shrimps. A 12.46 cm SL female specimen had about 600 eggs of various size, up to 0.4 mm in diameter; another 17.2 cm SL female with about 650 eggs of various size, up to 1.0 mm in diameter (Ref. 41628).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Machida, Y. and J. Hashimoto, 2002. Pyrolycus manusanus, a new genus and species of deep-sea eelpout from a hydrothermal vent field in the Manus Basin, Papua New Guinea (Zoarcidae, Lycodinae). Ichthyol. Res. 49(1):1-6. (Ref. 41628)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.3 - 2.7, mean 2.6 (based on 68 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00054 - 0.00305), b=3.10 (2.89 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.59 se; Based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (38 of 100) .