أشلاق (القروش و الشفانين) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Triakidae (Houndsharks) > Triakinae
Etymology: Mustelus: Latin for weasel, an ancient name for sharks, possibly referring to the pointed snouts, swift movements and/or rapacious feeding behavior of smaller predatory sharks [strictly not tautonymous with Squalus mustelus Linnaeus 1758 since type was designated by the ICZN] (See ETYFish); californicus: -icus (L.), belonging to: California, referring to its common occurrence along the coast of California (USA) (See ETYFish).
More on author: Gill.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري القاع; نطاق العمق 0 - 200 m (Ref. 55308), usually 2 - 46 m (Ref. 55308). Subtropical; 40°N - 23°N, 126°W - 109°W (Ref. 55308)
Eastern Pacific: northern California, USA to the Gulf of California. At the southern part of its range, this species is sympatric with Mustelus lunulatus, but the two are readily distinguishable.
الطول عند النضج الأول / الحجم / وزن / العمر
النضج: Lm 78.1, range 85 - ? cm
Max length : 116 cm TL ذكر/ مختلط الجنس; (Ref. 244); 124.0 cm TL (female); العمر: 9 سنين (Ref. 6098)
A common inshore and offshore shark found on the continental shelves, and entering shallow muddy bays. Feeds mostly on crabs, including cancrids and grapsids, ghost shrimp, innkeeper (echiuroid) worms (Urechis), and small fish (herring and midshipmen, Porichthys). Viviparous (with a yolk-sac placenta), with 2 to 5 young in a litter. Utilized for human consumption.
Viviparous with a yolk-sac placenta (Ref. 244).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
درجة الحرارة المفضلة (مرجع
123201): 15.1 - 23.3, mean 20.9 °C (based on 46 cells).
مؤشر التنوع الشُعبي الوراثي (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00229 (0.00107 - 0.00491), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.5 ±0.2 se; based on diet studies.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (مرجع
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (K=0.22-0.35; tm=1.3-2.1; tmax=12; Fec=2).
ضعف الصيد (Ref.
59153): Moderate to high vulnerability (52 of 100).
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المغذيات (Ref.
124155): Calcium = 20.7 [5.6, 105.3] mg/100g; Iron = 0.522 [0.162, 2.021] mg/100g; Protein = 21.8 [19.4, 24.1] %; Omega3 = 0.139 [0.057, 0.331] g/100g; Selenium = 42.6 [12.0, 151.0] μg/100g; VitaminA = 5.54 [1.87, 15.85] μg/100g; Zinc = 0.595 [0.263, 1.199] mg/100g (wet weight);
