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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: Linnaeus.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre démersal; océanodrome (Ref. 51243); profondeur 0 - 40 m (Ref. 131626). Temperate; 5°C - 18°C (Ref. 12468); 62°N - 33°N, 10°W - 42°E
Northeast Atlantic, from Norway and British Isles south to Morocco, including Canaries, Azores and Madeira, and the Mediterranean and Black Sea.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 15.1  range ? - ? cm
Max length : 50.0 cm TL mâle / non sexé; (Ref. 1371)
Épines dorsales (Total) : 0; Épines anales: 0. First dorsal-fin ray followed by a few small fleshy filament. Color varies, brown sometimes reddish and with a vermiculated or mottled pattern dorsally. Paler ventrally. The median fin borders dark (Ref. 1371). One barbel on the lower jaw and two on the snout. Marbled coloration on the back (Ref. 35388).
Body shape (shape guide): elongated; Cross section: circular.
Lives generally at shallow depths near the shores on rocky bottom with aquatic vegetation to 60 m depth. Feeds on fish, crustaceans, worms and algae. Sold fresh in markets, also made into fish meal (Ref. 1371). Caught as a by-catch by various fishing gears (Ref. 35388).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
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Estimations basées sur des modèles
Température préférée (Réf.
123201): 7 - 15.2, mean 10.1 °C (based on 505 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00299 - 0.00580), b=3.06 (2.99 - 3.13), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.3 se; based on diet studies.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (21 of 100).
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Nutriments (Ref.
124155): Calcium = 43.1 [21.4, 94.2] mg/100g; Iron = 0.385 [0.196, 0.772] mg/100g; Protein = 17.7 [15.9, 19.5] %; Omega3 = 0.454 [0.229, 0.848] g/100g; Selenium = 21.4 [9.9, 57.2] μg/100g; VitaminA = 7.13 [1.97, 26.65] μg/100g; Zinc = 0.594 [0.413, 0.895] mg/100g (wet weight);