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Gadiformes (Cods) >
Gaidropsaridae (Rocklings)
Etymology: Gaidropsarus: Greek, ga, ge = the earth + Greek, ydro = water + Greek psaros = speckled, starling (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; standvastig; diepte 150 - 530 m (Ref. 1371). Temperate; 63°N - 43°N, 12°W - 1°W
Northeast Atlantic: Bay of Biscay and northwards along the west coast of the British Isles to the Faeroe Islands.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL mannelijk / geslacht onbekend; (Ref. 1371)
Dorsale stekels (totaal) : 0; Anale stekels: 0. Eye relatively large, more than half the snout length. First dorsal spine followed by a few small fleshy filaments (Ref. 1371). One barbel on the lower jaw and two on the snout. Upper jaw with two (rarely 3-4) long pointed teeth in the front end (Ref. 35388).
Found on or near the bottom at depths of a few hundred meters. Feed on crustaceans (Ref. 35388).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: visserij voor eigen gebruik
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Estimates based on models
Preferred temperature (Ref.
123201): 7.2 - 11.7, mean 10 °C (based on 32 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00251 - 0.00913), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.37 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).