Common names from other countries
Classification / Names
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); david: In honor of the first author’s son David (pronounced dahveed), who passed away 7 March 2011 [a noun in apposition, without the patronymic “i”]. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 51 - 272 m (Ref. 117896). Tropical
Western Atlantic: northern South America (Venezuela and Surinam) to Panama.
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 78.7 cm TL पुल्लिंग / अलिंग; (Ref. 110242); 74.8 cm TL (female)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; गुदा कांटा: 0. Diagnosis: Mid-dorsal line lacking thorns or enlarged, sharp, pointed dermal denticles; eye-spiracle distance larger than 1.5 times eye diameter in specimens larger than 60 cm TL; each nasal flap with 2 rod-like barbels, outer barbel divided; coloration grayish to brownish yellow, male dark-spotted, females with abundant whitish spots (Ref. 110242).
Currently known from depths between 100-151m (Ref. 110242).
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Acero, A.P., J.J. Tavera, R. Anguila and L. Hernández, 2016. A new southern Caribbean species of angel shark (Chondrichthyes, Squaliformes, Squatinidae), including phylogeny, and tempo of diversification of american species. Copeia 104(2):577-585. (Ref. 110242)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
साधन
Special reports
Download XML
इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).