Classification / Names
Common names from other countries
Main reference
आकार / वज़न / Age
Max length : 80.0 cm TL पुल्लिंग / अलिंग; (Ref. 3261); common length : 50.0 cm TL पुल्लिंग / अलिंग; (Ref. 3261); अधिकतम सूचित उम्र: 18 वर्षो (Ref. 88187)
Length at first maturity
Lm 61.0  range ? - ? cm
पर्यावरण
; समुद्री ड़िमरसल; गहराई सीमा 8 - 530 m (Ref. 88171)
जलवायु / सीमा
Temperate, preferred 12°C (Ref. 107945); 61°N - 16°N, 18°W - 25°E
वितरण
Eastern Atlantic: Shetlands, southern North Sea and the western Baltic to Mauritania, including the western part of the Mediterranean (to Tunisia and western Greece).
देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका
Short description
पृष्ठीय रीढ़ (सम्पूर्ण): 0; गुदा कांटा 0; ऐनल सौफट रेज़: 0. Sub-rhomboid in shape with a short rostrum and rounded wing-tips. Upper surface almost smooth in young, but prickly in large specimens, except for bare centers of pectoral fins and hind part of disc, underside nearly smooth; orbital thorns separate, a regular row of 20-50 usually persistent thorns from nape to first dorsal fin; with 1-2 thorns between dorsal fins; 2 equal-sized dorsal fins at end of tail. Brownish dorsally with numerous small dark spots which do not reach the margin of the disc, frequently with a concentration of dark spots forming a ring around a pale centre on hind part of each pectoral fin, underside white (Ref. 3167).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
मात्स्यिकी: लघु वाणिज्य
अधिक जानकारी
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीऐल्लि आवृतियाँहैरेटिबिलटीबीमारीप्रक्रमणMass conversion
साधन
Special reports
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इंटरनेट स्रोत
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
3.9 ±0.2 se; Based on diet studies.
लौटाव
निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (K=0.18-0.21; tm=8; tmax=14; Fec=24)
Vulnerability
High vulnerability (59 of 100)
Price category