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Gadiformes (Cods) >
Gaidropsaridae (Rocklings)
Etymology: Gaidropsarus: Greek, ga, ge = the earth + Greek, ydro = water + Greek psaros = speckled, starling (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক তলদেশ বিহারী; অ_ পরিযায়ী; গভীরতার পরিসীমা 20 - 120 m (Ref. 35388). Temperate; 64°N - 34°N, 23°W - 27°E
Northeast Atlantic: central Norwegian coast and the Faeroe Islands southwards through the North Sea and around the British Isles to the region around the Straits of Gibraltar. Reported from Iceland (Ref. 12462). Also in the western and northern coasts of the Mediterranean.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 1371); common length : 25.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 3397)
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পায়ূ কাঁটা : 0. First dorsal ray followed by a row of small, fleshy filaments. Color is varies from dusky to pale. Fin coloration varies geographically in the Western Atlantic, with southern specimens having more dark blotches than northern ones (Ref. 1371). One barbel on the lower jaw and two on the snout. Large chocolate brown spots on head and body (Ref. 35388).
Found on rocky bottoms but also on mud, sand and gravel. Feed on shrimps, crabs, isopods, small fish, mollusks and polychaetes (Ref. 1371). Spawn during spring and summer in the Mediterranean. Eggs and larvae are pelagic (Ref. 1371).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 12.6, mean 9.6 °C (based on 254 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00304 - 0.00790), b=3.01 (2.87 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.5 ±0.4 se; based on diet studies.
স্থিতিস্থাপক (Ref.
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (tmax=6).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 42.4 [19.9, 94.9] mg/100g; Iron = 0.375 [0.191, 0.788] mg/100g; Protein = 17.5 [15.7, 19.4] %; Omega3 = 0.356 [0.177, 0.686] g/100g; Selenium = 17.9 [9.2, 38.7] μg/100g; VitaminA = 7.64 [1.68, 31.14] μg/100g; Zinc = 0.497 [0.341, 0.757] mg/100g (wet weight);
