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Myliobatiformes (Stingrays) >
Aetobatidae (Pacific eagle rays)
Etymology: Aetobatus: Greek, aetos = eagle + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
Окружающая среда: среда / климатическая зона / пределы глубины / диапазон распространения
экология
морской донно-пелагический. Tropical
распространение
Территории | регионы FAO | Экосистемы | места находок | карта точек | интродукции | Faunafri
Eastern Pacific: from the Gulf of California to Peru, including Galapagos Is. (Ref. 130539).
Размер / Вес / Возраст
половая зрелость: Lm ?  range ? - ? cm
Max length : 230 cm WD самец/пол неопределен; (Ref. 114953)
Краткое описание
определительные ключи | морфология | морфометрия
This large eagle ray is distinguished by the following characters: bluish black dorsal body with numerous white spots or ocelli, ventral surface mostly white; a moderately long fleshy rostral lobe; disc short and very broad; pectoral fins weakly falcate, joining head at level of eye and is separate from rostral lobe, the posterior margins moderately concave and free rear rips broadly rounded; rostral lobe moderately long and parabolic; large spiracles are dorsolateral, visible on dorsal view; mouth ventrally located, width narrower than preoral length; large nasal curtain, deeply notched centrally and with a curtain-like fringe; each jaw with plate-like teeth in a single row, with upper teeth transverse, lower teeth chevron-shaped; smooth disc without denticles or thorns; elongated tail, whip-like; small dorsal fin raked back, its apex broadly rounded, with free rear tip short; presence of 1 or more stings (Ref. 114953).
Body shape (shape guide): other; Cross section: flattened.
This inshore species in coastal bays and estuaries, to offshore occurs solitary or in large schools. It feeds mainly on bivalves, also shrimps, polychaetes and other fishes. Size usually less than 130 cm, size unknown at birth and when it matures (Ref. 114953).
Жизненный цикл и брачное поведение
половая зрелость | размножение | нерест | икра | Плодовитость | личинки
White, W.T. and G.J.P. Naylor, 2016. Resurrection of the family Aetobatidae (Myliobatiformes) for the pelagic eagle rays, genus Aetobatus. Zootaxa 4139(3):435-438. (Ref. 109645)
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 = 0.5625 [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) |
3.6 ±0.6 se; based on size and trophs of closest relatives |
Уязвимость рыбной ловли (Ref. 59153) |
Very high vulnerability (79 of 100). 🛈 |