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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335); proximus: Name from Latin 'proximus' meaning nearest or closes, referring to its close relation to the Atlantic M. longivelis.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 990 - 1162 m (Ref. 117111). Deep-water
Indo-West Pacific: from Madagascar and West Australia seamounts (Big Australian Bight) to off New Guinea Island and to Japan.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.3 cm SL hane/ej könsbestämd; (Ref. 117111)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 3; Mjukstrålar i ryggfenan (totalt) : 15 - 16; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 8; Ryggkotor: 28 - 29. This species is distinguished by the following characters: first gill arch with 18-19 rakers; eye diameter is greater than width of suborbital bone; depth of caudal peduncle more than twice in its length; 28-29 vertebrae, of them trunk 12-13; haemal arch of first caudal vertebra no spurs; D III 15-16, A I 8, soft rays in ventral fin 7; the ventral fin begins beyond vertical of posterior margin of pectoral fin insertion; the anal fin begins beyond vertical of last ray of dorsal fin (Ref. 117111).
Body shape (shape guide): fusiform / normal; Cross section: other (see remarks).
Gonadal maturity at stage III for males (5.05 cm SL) and stage IV for female (9.3 cm SL) (Ref. 117111).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Kotlyar, A.N., 2015. Revision of the genus Melamphaes (Melamphaidae). 3. Oligo-raker species: M. proximus sp. n., M. contradictorius sp. n., and M. succedanaus sp. n. J. Ichthyol. 55(5):619-629 (Ref. 117111)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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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) |
3.6 ±0.2 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |