Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 1 - 50 m (Ref. 3790). Subtropical; 52°N - 34°S, 98°W - 34°W
Western Atlantic: Newfoundland (Canada), Bermuda, and northern Gulf of Mexico to Argentina, including the Caribbean (Ref. 3790). Eastern Atlantic.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 7251); common length : 10.0 cm TL ذكر/ مختلط الجنس; (Ref. 3790)
الأشواك الظهرية (المجموع): 2; الأشعة الظهرية الناعمة (المجموع): 29-37; شوكة شرجية 0; أشعه شرجية لينه: 28 - 36. Snout prominently projecting but not very elongate; first dorsal spine originating above posterior part of eye; adult males with two pairs of enlarged recurved spines on each side of caudal peduncle; spines of females only slightly larger than other scale spinules of caudal peduncle (Ref. 13442).
Occurs in shallow water down to 50 m depth, over sandy and rocky bottoms, but more commonly in grass beds (Ref. 3790). Often seen moving head down among seagrass blades (Ref. 9710). The young are often associated with floating Sargassum (Ref. 3720). Feeds on plants and algae, and also on small crustaceans (Ref. 3720). Rarely consumed (Ref. 3790).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Distinct pairing (Ref. 205).
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 130435)
خطر للأنسان
Reports of ciguatera poisoning (Ref. 30303)
استخدامات بشرية
مصائد: مصائد تستهلك محلينا; حوض مائي: تجاري
مزيد من المعلومات
مراجعالأستزراع المائيملف الأستزراع المائيسلالاتجينيElectrophoresesالتوريثالأمراضمعالجةNutrientsMass conversion
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 22.7 - 28, mean 25.6 °C (based on 440 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00902 - 0.02114), b=2.87 (2.74 - 3.00), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.7 ±0.2 se; based on diet studies.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 35.8 [14.4, 118.8] mg/100g; Iron = 0.713 [0.328, 1.784] mg/100g; Protein = 18.6 [16.3, 20.8] %; Omega3 = 0.162 [0.073, 0.328] g/100g; Selenium = 15.5 [6.4, 37.2] μg/100g; VitaminA = 38.6 [9.1, 169.8] μg/100g; Zinc = 0.952 [0.572, 1.628] mg/100g (wet weight);
