>
Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathypelagisch; tiefenbereich 200 - 2250 m (Ref. 51657). Deep-water; 34°N - 31°S
Circumtropical in North Atlantic (3°56'N, 12°33'W and 10°21'N, 17°59'W in the eastern Atlantic). Indo-Pacific: including Japan (Ref. 599) and New Zealand (Ref. 5755). Southeast Pacific: Chile (Ref. 9068).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 7.9 cm SL Männchen/unbestimmt; (Ref. 126117); max. veröff. Gewicht: 11.10 g (Ref. 126117)
Rückenflossenstacheln (insgesamt) : 3; Rückenflossenweichstrahlen (insgesamt) : 13 - 15; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 7 - 8. The species is characterized by the following: first gill arch with 20-22 rakers; vertebrae 29 (28-30 reported by Ebeling, 1962), abdominal vertebrae 11 (rarely, 12); two ventrolateral-oriented spurs on the haemal arch of the first caudal vertebra; D III 14-15 (rarely, III 13); P 15; soft rays in the ventral fin 7; ventral fin starts after the vertical line of the posterior margin of the pectoral fin basement (rarely, from this vertical line); anal fin starts under the last ray of the dorsal fin or just after the dorsal fin; operculum with 4 scales (Ref. 87970).
Body shape (shape guide): fusiform / normal.
This species is caught by open-mouth nets at 4228-0 m, with original sampling done by closing-mouth nets at 1000 m (Ref. 87970).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Maul, G.E., 1990. Melamphaidae. p. 612-618. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4502)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 3.4 - 10.6, mean 6.4 °C (based on 1720 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00657 - 0.02201), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.5 ±0.2 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
🛈
