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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
Eponymy: Alfred W Ebeling (d: 1931) is an American ichthyologist who was at Scripps Institution of Oceanography. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 290 - 1548 m (Ref. 51657). Deep-water; 32°N - 5°S
Western Central Atlantic: Bermuda.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.7 cm SL hane/ej könsbestämd; (Ref. 90261)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 3; Mjukstrålar i ryggfenan (totalt) : 14 - 16; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 8. This species is distinguished by the following characters: first gill arch with 19-21 rakers; vertebrae 26-27, including 11 abdominal ones; haemal arch of first caudal vertebra without a spine ('spur'); D III,14-16; A I,8; P 15; ventral fin I,8; ventral fin begins slightly anteriorly or beneath vertical of the posterior margin of pectoral fin insertion; anal fin begins beyond vertical of last ray of dorsal fin (Ref. 90261).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Juvenile fish of this species were reported to be seined with closing fishing gear at depths of 290-1060 m, while adults were seined at depths of 1483-1548 m. It was suggested that unlike adults, juveniles perform vertical migrations (Ref. 90261).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Kotlyar, A.N., 2012. Revision of genus Melamphaes (Melamphaidae): Part 4. Multi-raker species: M. ebelingi, M. occlusus sp. nova, and M. nikolayi sp. nova. Vopr. Ikhtiol. 52 (3):279-287. J. Ichthyol. 52(4):247-254. (Ref. 90261)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01096 (0.00451 - 0.02668), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.7 ±0.2 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
High vulnerability (58 of 100). 🛈 |