Teleostei (teleosts) >
Argentiniformes (Marine smelts) >
Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Dolichopteryx: Greek, dolichos = long + Greek, pteryx, = wing, fin (Ref. 45335); minuscula: Name refers to the small body size, among its congeners.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 1000 - 2000 m (Ref. 58272). Deep-water
Indo-West Pacific: Mauritius and Japan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 9 - 10; Anal soft rays: 6 - 8; Vertebrae: 45. This species is characterized by eyes with small lens (lens diameter 2.2% SL), pouchlike; adipose fin present; origin of anal fin posterior to dorsal fin base; gill rakers 16-17 (= 5-6 + 1 + 10 -11) (Ref. 58272).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fukui, A. and Y. Kitagawa, 2006. Dolichopteryx minuscula, a new species of spookfish (Argentinoidei: Opisthoproctidae) from the Indo-West Pacific. Ichthyol. Res. 53(2):113-120. (Ref. 58272)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: bycatch
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 1.2 - 1.7, mean 1.6 °C (based on 16 cells).
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
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=658).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
