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> Alepocephaliformes (Slickheads and tubeshoulders.) > Platytroctidae (Tubeshoulders)
Etymology: calvala: From the Latin calvus, bald and ala, upper part of arm, alluding to the unscaled pectoral base..
More on authors: Matsui & Rosenblatt.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien bathypelagisch; diepte 1000 - 1400 m (Ref. 26038). Deep-water

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Western Central Pacific: known only from the Halmahera Sea.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 9.3 cm SL mannelijk / geslacht onbekend; (Ref. 26038)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 8 - 10. Single infracaudal organ, and the cleithral symphysis with a forward-directed spine. A small GO1 present. No lateral line canal on posttemporal bone. Dorsal origin ahead of that of anal by about a fourth of its length. Mouth large, posterior margin of maxillary behind eye. Maxillary slightly shallower than posterior supramaxillary and strongly convex ventrally. Supramaxillaries exposed, not covered by infraorbitals. A row of 8-10 teeth on external lateral face of dentary. A small supraorbital bone present. Pectoral base and adjacent area without scales.

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Matsui, T. and R.H. Rosenblatt, 1979. Two new searsid fishes of the genera Maulisia and Searsia (Pisces: Salmoniformes). Bull. Mar. Sci. 29(1):62-78. (Ref. 26038)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00154 - 0.01080), b=3.17 (2.95 - 3.39), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Searsioides calvala (Matsui & Rosenblatt, 1979)