Classification / Names
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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Poromitra: Greek, poros = porous + Greek, mitra = stripe, belt (Ref. 45335).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς). Tropical
Eastern Pacific Ocean, from the central Mexico to central Peru.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.4 cm SL αρσενικό/απροσδιόριστο; (Ref. 83719)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 3; Μαλακές ραχιαίες ακτίνες (συνολικά) : 12 - 13; Εδρικές άκανθες: 1; Μαλακές εδρικές ακτίνες: 8 - 10; Σπόνδυλοι: 27 - 28. The species is distinguished by the following: spined posterior and lower margins of the praeoperculum, and in the angular part of the praeoperculum, an unspined notch; insertion of the ventral fins is slightly in front or at the level of the vertical of the posterior margin of the pectoral fin insertion; upper jaw extends to the vertical of the posterior eye margin; soft rays in the dorsal fin 12-13, in anal fin 8-10; first branchial arch with 28-32 rakers; vertebrae 27-28; pyloric caeca 7-8 (Ref. 83719).
Specimens were seined using non-closing fishing gear, the largest depths of capture were 1650-0 m, and the smallest depths were 50-900 m (Ref. 83719).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Kotlyar, A.N., 2009. Revision of the genus Poromitra (Melamphaidae): Part 3. Species of P. cristiceps: P. cristiceps, P. nigrofulva, P. frontosa, and P. nigriceps. J. Ichthyol. 49(6):421-434. (Ref. 83719)
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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00442 - 0.02595), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).