Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Phosichthyidae
Etymology: thaeocoryla: Named as an anagram of the word 'corythaeloa' - the closest related species in the genus Polymetme (Ref. 41740).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 213 - 1400 m (Ref. 41740). Deep-water
Eastern Atlantic: along the coasts of Europe and Africa, from Ireland to at least 4°S, also found on the Meteor and Josephine seamounts and off the Canary Islands. Western Atlantic: off Florida, in the Gulf of Mexico, Caribbean, off the coast of Guiana and Suriname, and on the Rio Grande Rise.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 21.6 cm SL male/unsexed; (Ref. 41740)
Morphology | Morphometrics
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Parin, N.V. and O.D. Borodulina, 1990. Review of the genus Polymetme (Phosichthyidae) with the description of two new species. J. Ichthyol. 30(6):108-121. (Ref. 36363)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 5.9 - 14.4, mean 9.4 (based on 305 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00147 - 0.00985), b=3.12 (2.89 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Low vulnerability (13 of 100) .