वर्गीकरण / नाम
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इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: panayensis: Named for its type locality, Panay island.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री बेनथोपिलाजिक. Tropical
Western Central Pacific: the Philippines.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 30.4 cm TL पुल्लिंग / अलिंग; (Ref. 126270)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species can be distinguished from its congeners by the following set of characters: tail moderately is long, slender and weakly tapering posteriorly, length 51.0% of TL; first dorsal fin (D1) origin to tail tip 21.2% of TL; interdorsal space is rather short, distance 67.0% of D1 base length; caudal-fn base length is moderate, 1.3 times D1 base length; snout is rather short, moderately acute and pointed, preorbital snout length 13.7% of TL, preoral snout length 14.3% of TL, prenarial snout length 11.3% of TL; dorsal head length 20.7% of TL, the ventral head length 28.6% of TL; orbits and eyeballs are large, orbit diameter 1.3 times interorbital width, eyeball length (horizontal diameter) 1.2 times interorbital width; tail thorns are distinct, three rows in adult male; single nuchal thorn; trunk vertebrae 28 while predorsal tail vertebrae 43. Colouration: dorsal surface of disc pale brown, margin yellowish to pale brown; numerous yellowish spots and black fecks sparsely scattered on the dorsal disc, but not forming patches; dorsal disc no ocellated markings; snout area translucent; ventral surface of disc broadly white, the margin pale brown, darkly pigmented at pectoral-fin bases, posterior insertions of pectoral fins, nasal curtain, around cloaca, and sensory pore openings; ventral disc sensory pores in a W-shaped” distribution pattern, absent on abdominal region and near pelvic-fn base; clasper with external boss, cleft, funnel, pseudorhipidion, rhipidion, shield, spike, sentinel, and terminal bridge; the clasper skeleton with three dorsal terminal cartilages, single ventral terminal cartilage, two accessory terminal cartilages (accessory terminal 1 “Y-shaped”) (Ref. 126270).
Cross section: flattened.
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Misawa, R., R.P. Babaran and H. Motomura, 2022. Okamejei panayensis sp. nov., a new skate (Rajiformes: Rajidae) from the Philippines. Ichthyological Research (Ref. 126270)
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
जातिवृति विविधता सूचकांक (संदर्भ 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00309 (0.00144 - 0.00663), 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) |
माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.). |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |