Пластиножаберные (акулы и скаты) (sharks and rays) >
Rajiformes (Skates and rays) >
Anacanthobatidae (Smooth skates)
Etymology: andamanensis: Named for its type locality, the Andaman Sea.
Окружающая среда: среда / климатическая зона / пределы глубины / диапазон распространения
экология
морской батидемерсальный; пределы глубины 508 - 518 m (Ref. 117112). Tropical
Eastern Indian Ocean: Andaman Sea, probably more widely distributed in the area..
Размер / Вес / Возраст
половая зрелость: Lm ?  range ? - ? cm
Max length : 37.9 cm TL самец/пол неопределен; (Ref. 117112); 42.9 cm TL (female)
Краткое описание
определительные ключи | морфология | морфометрия
This small species is distinguished by the following set of characters: a relatively narrow disc, its width at anterior orbit 3.7-4.9 times mouth width; possess a very long snout with slightly bulbous tip and a short, filament; with a moderately elongate tail (postcloacal length 127-157% of disc length); eyes medium-sized, with orbit diameter 6.6-10.3 in horizontal snout and 8.2-12.8 in head lengths respectively; distal portion of tail not expanded laterally; moderately-sized pelvic fins, anterior lobe 14.3-16.1% TL; the anterior pelvic-fin lobe narrow-based, width 2.7-5.0 in distance between pelvic-fin origins; long-based and very low caudal fin; tooth rows in each jaw 23-29; adult males' teeth with short subconical cusps; pectoral-fin radials 66-72; abdominal vertebral centra 26, total centra to caudal fin origin ca. 125-131; colour of dorsal and ventral surfaces both bluish when fresh, with skin on dorsal surface darker and opaque, and almost transparent ventrally (Ref. 117112)
Body shape (shape guide): other (see remarks); Cross section: flattened.
Жизненный цикл и брачное поведение
половая зрелость | размножение | нерест | икра | Плодовитость | личинки
Last, P.R. and S. Bussarawit, 2016. A new legskate, Sinobatis andamanensis (Rajiformes: Anacanthobatidae), from the Andaman Sea (northeastern Indian Ocean). Zootaxa 4168(1):161-170. (Ref. 117112)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Оценки, основанные на моделях
Индекс филогенетического разнообразия (ссылка 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Трофический уровень (ссылка 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
Уязвимость рыбной ловли (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |