Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Malacosteinae
Etymology: Photostomias: Greek, photos = light + greek, stoma = mouth (Ref. 45335); goodyeari: Named for Richard Hugo Goodyear, in recognition of his contributions to the systematics of stomiid fishes..
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 85 - 2000 m (Ref. 75669). Deep-water
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Atlantic Ocean: tropical and subtropical waters of the North Atlantic, including the Gulf of Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.5 cm SL male/unsexed; (Ref. 75669); 12.8 cm SL (female)
Morphology | Morphometrics
soft rays: 30 - 33. This species is distinguished by having 3 pairs of basibranchial tooth patches; D 26-31, A 30-33, the sum of dorsal- and anal-fin rays 56-63; male postorbital organ length moderate, specimens greater than 6.0 cm, 54.5-103.2% fleshy orbit, 9.6-24.8% JL; male anterior orbital organ length moderate, specimens grater than 6.0 cm, 11.2-25.1% fleshy orbit, 2.3-4.4% JL (Ref. 75669).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kenaley, C.P. and K.E. Hartel, 2005. A revision of Atlantic species of Photostomias (Teleostei: Stomiidae: Malacosteinae), with a description of a new species. Ichthyol. Res. 52(3):251-263. (Ref. 75669)
IUCN Red List Status (Ref. 125652)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 5.2 - 14.4, mean 9.3 °C (based on 296 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00159 - 0.01046), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.7 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (11 of 100).