Klassificering / Namn
Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 1000 - 1400 m (Ref. 26038). Deep-water
Western Central Pacific: known only from the Halmahera Sea.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.3 cm SL hane/ej könsbestämd; (Ref. 26038)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00407 (0.00153 - 0.01085), b=3.17 (2.94 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |