Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte 300 - 618 m (Ref. 98298). Deep-water
Circumglobal, widespread. North Atlantic Ocean (both sides, including the Mediterranean Sea), the Pacific Ocean (off Japan, Philippines, the Sala-y-Gomez Ridge) and the Indian Ocean (east and west coasts of Australia and east coast of Africa).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 39.6 cm TL mannelijk / geslacht onbekend; (Ref. 115012); max. gepubliceerd gewicht: 235.60 g (Ref. 115012)
This species is distinguished by the following set of characters: spinous first dorsal fin ray weakly serrated, more distinct near tip of ray; pelvic fin rays 7-10, usually 8-9; gill rakers first arch (outer/inner) 8-12/14-18; large barbel, its length 20-30% HL; short snout length 16-26% HL; very narrow suborbital 4-8% HL; upper jaw length 43-52% HL; a row of enlarged melanophores along lateral mid-line of the tail; cylindrical body (Ref. 97189).
Body shape (shape guide): elongated; Cross section: circular.
Feeds on planktonic crustaceans (Ref. 6187).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
McMillan, P. and T. Iwamoto, 2014. Descriptions of four species of grenadier fishes of the genera Hymenocephalus and Hymenogadus (Teleostei, Gadiformes, Macrouridae) from the New Zealand region and Tasman Sea, including two new species of Hymenocephalus. Zootaxa 3856:117-134.. (Ref. 97189)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 2.3 - 13, mean 9.9 °C (based on 221 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00138 (0.00084 - 0.00228), b=3.22 (3.07 - 3.37), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.30 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tmax>3).
Kwetsbaarheid van de visserij (Ref.
59153): Low to moderate vulnerability (30 of 100).
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