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Lophiiformes (Anglerfishes) >
Diceratiidae (Double anglers (Ref. 07463) or Doublespine Seadevils (Ref. 86949))
Etymology: Diceratias: Greek, di = two, double + Greek, keras or keratos = horn, horned (referring to the two conspicuous dorsal-fin spines in the larvae and young females) (Ref. 86949).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς); εύρος βάθους 533 - 2306 m (Ref. 86949). Deep-water
Indo-Pacific: Bay of Bengal, Papua New Guinea and the Philippines.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 39830)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
A species of Diceratias with esca having distinct anterior and posterior appendages.
Distinguishing characteristics of metamorphosed female: relatively small esca, width about equal to length; low rounded terminal escal papilla; well developed anterior and posterior escal appendages, usually bearing small secondary filaments; bulbous anterior escal appendage, sometimes branched; laterally compressed posterior escal appendage, row of small secondary filaments along outer margin, at most 5; posterobasal margin of terminal papilla with escal pore; lower jaw with 14-65 teeth, upper jaw with 18-99 teeth; vomerine teeth 4-9 (Ref. 86949).
Specimens captured in closing trawls or taken in open nets (Ref. 86949).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Kailola, P.J., 1987. The fishes of Papua New Guinea. A revised and annotated checklist. Vol. 1. Myxinidae to Synbranchidae. Research Bulletin No. 41. Department of Fisheries and Marine Resources, Port Moresby, Papua New Guinea. 194 p. (Ref. 6993)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 2.8 - 6.8, mean 4.5 °C (based on 969 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.2 ±0.73 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
