वर्गीकरण / नाम
आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa
इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Squatiniformes (Angel sharks) >
Squatinidae (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned) (See ETYFish); heteroptera: Name refers to the obvious difference in size, shape and area of the two dorsal fins.
Taxonomic Remarks
Synonym of Squatina dumeril according to (Weigmann, 2016, Ref. 106604).
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा ? - 164 m (Ref. 74686). Tropical
Western Atlantic: Gulf of Mexico.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 49.0 cm TL पुल्लिंग / अलिंग; (Ref. 74686)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species has no thorns nor enlarged denticles on the mean dorsal line. The dermal denticles has 4 keels extending posteriorly, its widest base, approximately twice its length. Dorsal fins are very different in size, shape and area, with their base about half their height. Nasal lobes are simple and similar in length; the first and last are spatula-like in shape; the central part irregularly quadrangular. its edge with several lobes. General body color is dark brown at the dorsal surface, ocelli absent, but with 2 distinct round black spots on the upper edge of the pectoral fins and with irregular, scattered whitish spots. Each side of jaws with 8 triangular, non-serrated, and straight teeth, the upper with 2 functional series, the lower with only one (Ref. 74686).
Body shape (shape guide): other.
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Castro-Aguirre, J.L., H.S. Espinosa Pérez and L. Huidobro Campos, 2006. Dos nuevas especies del género Squatina (Chondrichthyes: Squatinidae) del Golfo de México. Rev. Biol. Trop. (Int. J. Trop. Biol.) [2006] 54 (3):1031-1040. (Ref. 74686)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00661 (0.00285 - 0.01530), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
ट्रॉफिक स्तर (संदर्भ 69278) |
3.8 ±0.5 se; based on size and trophs of closest relatives |
लौटाव (संदर्भ 120179) |
निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Preliminary low fecundity). |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |