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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335); okamurai: Named for Osamu Okamura..
More on authors: Iwamoto & Arai.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; diepte 229 - 411 m (Ref. 33794). Deep-water
Western Central Atlantic: northeastern coast of South America off French Guiana and Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL mannelijk / geslacht onbekend; (Ref. 33794)
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Iwamoto, T. and T. Arai, 1987. A new grenadier Malacocephalus okamurai (Pisces: Gadiformes: Macrouridae) from the Western Atlantic. Copeia 1987(1):204-208. (Ref. 33794)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 10 - 16.4, mean 13.4 °C (based on 41 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).