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Gadiformes (Cods) >
Trachyrincidae (Armoured grenadiers)
Etymology: Macrouroides: Greek, makroura = great tail + Greek, suffix, oides = similar (Ref. 45335).
More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 747 - 4000 m (Ref. 9949). Deep-water
Western Central Pacific: Philippines. Eastern Pacific: Nazca Ridge. Atlantic Ocean: in tropical waters. Also in the Indian Ocean.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 48.0 cm TL mannelijk / geslacht onbekend; (Ref. 9949)
Orbit tiny, about 10% of head length, placed forward of small, inferior mouth. Chin barbel absent. First gill slit not restricted by membranous folds of skin, outer gill rakers long, slender. Branchiostegal rays 7. Anus immediately before anal fin. Tail straplike. Anal fin long, poorly developed. Pelvic fins absent. No light organ. Swimbladder regressed. (Ref 1371)
A benthic species found on the continental slope (Ref. 75154).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Sazonov, Y.I. and T. Iwamoto, 1992. Grenadiers (Pisces, Gadiformes) of the Nazca and Sala y Gomez ridges, southeastern Pacific. Proc. Calif. Acad. Sci. 48(2):27-95. (Ref. 9949)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 4.7, mean 3.1 °C (based on 2922 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00119 - 0.00804), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±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): Moderate vulnerability (38 of 100).