البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 0 - 10 m (Ref. 9710). Tropical
Western Atlantic: Bermuda, Florida (USA), and northern Gulf of Mexico to Brazil. Eastern Atlantic: Mauritania and the Canary Islands to about South Africa. Also known in the southern parts of Mediterranean, including the following most southern localities of the northern coast: Torremolinos and Taramay near Motril (Spain), Sicily, Kyra Island (Gulf of Aigina) and near Palaea Epidavros, Peloponnes (Greece) (Ref. 5298). Northwest Pacific: Japan (Ref. 559, 9137, 35771) and Taiwan.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 12.0 cm TL ذكر/ مختلط الجنس; (Ref. 13628)
الأشواك الظهرية (المجموع) : 12; الأشعة الظهرية الناعمة (المجموع) : 14 - 15; شوكة شرجية: 2; أشعه شرجية لينه: 14 - 17. Resembles P. yatabei but easily distinguished by a median series of cirri on nape. A short supraorbital cirrus present (Ref. 559). Dull green or olive with dark bars on body which extend into lower part of dorsal fin (Ref. 13442).
Body shape (shape guide): fusiform / normal; Cross section: circular.
Adults inhabit shallow rocky areas and tide pools. They hide in empty Strombus gigas shells (Ref. 13628), holes or troughs of rocks, or between algae (Ref. 5981). Herbivorous (Ref. 13442). Feed on invertebrates as juveniles and shift to diet of algae as adults (Ref. 94105). Unusual erectile nuchal crest (Ref. 41019). Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Oviparous, 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)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
مصائد: غير ذات اهمية; حوض مائي: تجاري
أدوات
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تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01047 (0.00593 - 0.01849), b=2.95 (2.80 - 3.10), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
2.5 ±0.1 se; based on diet studies. |
المرونه (مرجع 120179) |
عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.). |
ضعف الصيد (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |
المغذيات (Ref. 124155) |
Calcium = 121 [68, 196] mg/100g; Iron = 0.837 [0.517, 1.314] mg/100g; Protein = 18.6 [17.5, 19.6] %; Omega3 = 0.129 [0.081, 0.206] g/100g; Selenium = 19.4 [11.4, 35.1] μg/100g; VitaminA = 119 [39, 369] μg/100g; Zinc = 2.16 [1.51, 2.99] mg/100g (wet weight); |