أشلاق (القروش و الشفانين) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); schultzi: In honor of Leonard P. Schultz (1901-1986), Curator of Fishes, U.S. National Museum (based on an unpublished name proposed by Henry W. Fowler) (See ETYFish).
Eponymy: Dr Leonard Peter Schultz (1901–1986) was an ichthyologist and field naturalist who was Assistant Curator of fishes at the Smithsonian (1936–1938), then Curator (1938–1968), during which time he was Ginsburg’s boss, and Senior Zoologist (1965–1968). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 329 - 431 m (Ref. 244). Deep-water; 20°N - 5°N, 116°E - 128°E
Western Central Pacific: the Philippines.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 28.3, range 27 - 29.7 cm
Max length : 30.0 cm TL (female)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. Obscure dark saddle blotches at first and second dorsal bases, and two bands on the tail; dorsal fins and caudal tip without black terminal marking (Ref. 244).
A little-known bottom-dwelling shark found on continental slopes (Ref. 244). One of the smallest sharks (Ref. 244).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00175 - 0.00721), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.8 ±0.2 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
Nutrients (Ref.
124155): Calcium = 11.5 [2.0, 74.3] mg/100g; Iron = 0.359 [0.076, 1.226] mg/100g; Protein = 16.9 [13.7, 20.0] %; Omega3 = 0.209 [0.083, 0.506] g/100g; Selenium = 6.05 [1.92, 18.51] μg/100g; VitaminA = 22.7 [4.9, 109.7] μg/100g; Zinc = 0.435 [0.200, 0.835] mg/100g (wet weight);