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); springeri: In honor of American ichthyologist Stewart Springer (1906-1991), an “outstanding leader” in shark taxonomy, for his work with the family Scyliorhinidae (which included Pentanchidae at the time) (See ETYFish).
Eponymy: Stewart ‘Stew’ Springer (1906–1991) was a field naturalist who dropped out of Butler College (1929) but was awarded a baccalaureate by George Washington University (1964), by which time he was world-renowned as an expert on both the taxonomy and [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري مياه عميقة; نطاق العمق 450 - 700 m (Ref. 55584). Deep-water
Western Central Atlantic: Lesser Antilles, Puerto Rico, north coast of Hispaniola, and Cuba.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 31.8 cm TL ذكر/ مختلط الجنس; (Ref. 28030); 43.8 cm TL (female)
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Konstantinou, H. and J.R. Cozzi, 1998. Galeus springeri, a new species of sawtail catshark from the Caribbean Sea (Chondrichthyes, Scyliorhinidae). Copeia 1998(1):151-158. (Ref. 28030)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 7.9 - 13.4, mean 10.9 °C (based on 26 cells).
Phylogenetic diversity index (مرجع
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 (مرجع
69278): 3.9 ±0.2 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
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![Image of Galeus springeri (Springer\](/images/thumbnails/gif/tn_Gaspr_u0.gif "Image of Galeus springeri (Springer\")
