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Argentiniformes (Marine smelts) >
Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Dolichopteryx: Greek, dolichos = long + Greek, pteryx, = wing, fin (Ref. 45335); longipes: longipes refers to the long pelvics (Ref. 4525).
More on author: Vaillant.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 500 - 2400 m (Ref. 74511). Deep-water; 45°N - 27°N, 180°W - 180°E
Probably worldwide in temperate and tropical waters. Eastern Pacific: California Current region (Ref. 35626). South China Sea (Ref.74511).
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 6542)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά) : 10 - 11; Μαλακές εδρικές ακτίνες: 8 - 9; Σπόνδυλοι: 46 - 47. Body deep. Short pectoral fins, long ventral fins. Relatively large head and absence of ventral light organs. Line of dark chromatophores along the body below lateral line (Ref. 37473).
Oceanic and mesopelagic species (Ref. 6686). Taken regularly at depths shallower than 458 m, with scientific deep-sea fishing gear. Feed mainly on small crustaceans, particularly copepods (Ref. 4525). Oviparous, with planktonic larvae (Ref. 35626) and eggs (Ref. 6686). Paedomorphic (Ref. 35626).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Quéro, J.-C., 1990. Opisthroproctidae. p. 241-243. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6542)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 3 - 5, mean 4.1 °C (based on 66 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).
Τροφικό Επίπεδο (Ref.
69278): 3.0 ±0.00 se; based on food items.
Generation time: 2.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (25 of 100).