Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 26 - 240 m (Ref. 9563). Temperate
Western Pacific: eastern Australia (ranging south to South Australia and Tasmania, Ref. 9563) and New Zealand.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm Tl mannelijk / geslacht onbekend; (Ref. 9824)
Dorsale stekels (totaal) : 0. Males with bony tubercles on snout and tip of lower jaw. Head tubercles weakly developed or absent in females. Anterior dorsal-fin rays greatly elongate in males (Ref 42535).
Usually found on sandy bottoms (Ref. 9824). Feeds on benthic animals (Ref. 9824).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
May, J.L. and J.G.H. Maxwell, 1986. Trawl fish from temperate waters of Australia. CSIRO Division of Fisheries Research, Tasmania. 492 p. (Ref. 9563)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 13.4 - 23.3, mean 15.9 °C (based on 169 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00408 - 0.02036), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.37 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
