Классификация / Names
народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa
Пластиножаберные (акулы и скаты) (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Urogymninae
Etymology:
Environment: milieu / climate zone / depth range / distribution range
экология
морской демерсальный; пределы глубины ? - 60 m (Ref. 114953). Tropical
распространение
страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri
Western Pacific: Indo-Malay Arch., Indonesia (Nusa Tenggara) to Taiwan, including the Philippines.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 220 cm TL самец/пол неопределен; (Ref. 114953)
Краткое описание
определительные ключи | морфология | морфометрия
This medium sized whipray is distinguished by the following characters: disc rhombic, small head (39-41% WD); internasal width 8.3-8.8% WD; small oval to heart-shaped mid-shoulder denticle, with obvious denticle band in adults; tail whip-like without skin folds, upper surface variably white-spotted; disc rather flat, wider than long, length 76-87% WD; pectoral-fin apex rounded to somewhat angular; snout broad with enlarged triangular apical lobe, the anterior margins weakly concave; eyes are small and potruding slightly, length of orbit and spiracle ca. 2 in snout length, interorbital space 1.9-2 times the orbit length; mouth arched, 2-5 oral papillae (medial pair enlarged); labial furrows and folds are prominent; lower jaw arched slightly; nasal curtain is subrectangular, the posterior margin finely fringed; mid-shoulder denticle small and only slightly larger than smaller denticles adjacent; in adults the denticle band is well-developed with slow development in young; tail is very long and slender, 2.8-3.4 times WD in length; slightly depressed in cross-section and tapering gently and evenly toward caudal sting, then weakly beyond the sting; with usually one caudal sting; tail beyond caudal sting is sparsely covered with denticles (Ref. 114953).
This species is mainly benthic on soft bottoms, from inshore to at least 60 m. Feeds mainly on small prawns. Size to at least 85 cm WD or 220 cm TL. Males mature at ca. 46-48 cm WD while females at about 64 cm WD, born at ca. 18 cm WD (Ref. 114953).
Life cycle and mating behavior
Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки
Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)
Статус Красного Списка МСОП (Ref. 130435)
Угроза для людей
Harmless
Использование человеком
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
