Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 10 - 400 m. Subtropical; 51°N - 30°N, 11°W - 42°E
Southeast Atlantic: Atlantic coast from Morocco to the English Channel. Also known from the Mediterranean and Black Sea.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 10.0 range ? - ? cm
Max length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 3397)
الأشواك الظهرية (المجموع) : 11 - 12; الأشعة الظهرية الناعمة (المجموع) : 14 - 16; شوكة شرجية: 2; أشعه شرجية لينه: 15 - 16. Gill membranes not forming a fold across isthmus. Tentacles on nasal opening, above eye and on nape near first dorsal fin ray. Dentaries joined by suture. Lateral line reduced, discontinuous. Anterior part of dorsal fin conspicuously higher than posterior part.
Adults are found over hard bottoms. Mainly nocturnal, they feed on small invertebrates. Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Eggs are laid under mussel-shells or stones and guarded by the male (Ref. 5981). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114). Spawn in April (Marseille) or July (England) (Ref. 5981).
Eggs are laid under mussel-shells or stones and guarded by male (Ref. 5981).
Wheeler, A., 1992. A list of the common and scientific names of fishes of the British Isles. J. Fish Biol. 41(suppl.A):1-37. (Ref. 5204)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 11 - 17.1, mean 13.9 °C (based on 237 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00644 - 0.01074), b=3.01 (2.93 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.5 ±0.43 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 80 [19, 235] mg/100g; Iron = 1.14 [0.42, 4.30] mg/100g; Protein = 3.21 [0.00, 6.94] %; Omega3 = 0.348 [0.150, 0.795] g/100g; Selenium = 23.3 [4.9, 67.0] μg/100g; VitaminA = 18.7 [6.0, 56.8] μg/100g; Zinc = 0.869 [0.449, 1.739] mg/100g (wet weight);
