इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Eponymy: Dr Johannes Lijdius Catharinus Pompe van Meerdervoort (1829–1908) was a Dutch physician who qualified at Utrecht and became a naval surgeon (1849). [...] (Ref. 128868), visit book page.
More on author: Bleeker.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 70 - 90 m (Ref. 10932). Tropical
Western Pacific: Shizuoka Prefecture, Japan to the East China Sea as far south as the northernmost parts of the Okinawa Trough, and the Sea of Genkai (Ref. 10932). Reported from Taiwan (Ref. 12711), China and the Philippines (Ref. 8630).
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 37.0 cm TL पुल्लिंग / अलिंग; (Ref. 10932); 37.0 cm TL (female)
Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 3.5-4.8 cm long and 2.5-3.0 cm wide (Ref. 41249, 41298).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
पसंदीदा तापमान (संदर्भ
123201): 16 - 23.2, mean 21.8 °C (based on 14 cells).
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec assumed to be <100).
मछली पकड़ने की भेद्यता (Ref.
59153): Low to moderate vulnerability (27 of 100).
🛈
