Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Argentiniformes (Marine smelts) >
Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Dolichopteryx: Greek, dolichos = long + Greek, pteryx, = wing, fin (Ref. 45335).
Eponymy: The Russian Research Vessel ‘Vityaz’ (also spelled Vitiaz) is famous for many cruises, during which the holotypes of several of the above fish were caught. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic. Tropical; 8°N - 7°N, 162°E - 163°E
Eastern Central Pacific: the central part of the Pacific Ocean in the area of the eastern Caroline Islands, within the bounding box of Micronesia.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 84273)
Short description
Identification keys | Morphology | Morphometrics
Eyes are telescopic, with a diameter of 4.3% of SL, and are directed upwards; ventral fins are at the beginning of the last one third of the body, located noticeably in front of the vertical of dorsal fin origin; anal fin origin is behind the vertical of the end of the dorsal fin insertion; adipose fin is located behind the vertical of the end of the anal fin; vertebrae number 45; peritoneal spots are three; gill rakers number 28 (Ref. 84273).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Parin, N.V., Belyanina, T.N. and S.A. Evseenko, 2009. Materials to the revision of the genus Dolichopteryx and closely related taxa (Ioichthys, Bathylychnops) with the separation of a new genus Dolichopteroides and description of three new species (Fam. Opisthoproctidae). J. Ichthyol. 49(10):839-851. (Ref. 84273)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00162 - 0.01126), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
