Pateobatis hortlei, Hortle's whipray

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Pateobatis hortlei (Last, Manjaji-Matsumoto & Kailola, 2006)

Hortle's whipray
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Pateobatis hortlei   AquaMaps   Data sources: GBIF OBIS
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Image of Pateobatis hortlei (Hortle\
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drawing shows typical species in Dasyatidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Myliobatiformes (Stingrays) 鰩目 (Stingrays) > Dasyatidae (Stingrays) 土魟科 (Stingrays) > Urogymninae
Etymology: Pateobatis: Combination of Latin 'pateo' for 'lie open, be exposed' and 'batis' for skate, ray or flatfish; referring to the eclectic nature of members of this group.;  hortlei: Named for Kent Hortle.  More on authors: Last, Manjaji-Matsumoto & Kailola.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋; 半鹹淡水 居於水底的; 深度上下限 2 - 7 m (Ref. 58025).   熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Pacific: eastern Indonesia (Irian Jaya), Papua New Guinea and northern Australia.
西太平洋: 南方伊裡安加亞與可能毗連的巴布亞新幾內亞。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 70.7 cm WD 雄魚/尚未辨別雌雄; (Ref. 58025); 65.4 cm WD (female)

簡短描述 型態特徵 | 形態測量圖

Distinguished by the following combination of characters: subcircular disc, very angular anteriorly, length 1.1 times DW; pectoral-fin apices broadly rounded; snout extremely elongate, 11-18 times orbit diameter, 96-99° angle; snout to maximum disc width 52-58% of DW; orbit very small, diameter 0.4-0.5 of spiracle length, 3.8-6.3 times in interorbital distance; mouth not greatly protrusible; prepelvic process not expanded; 1-3 enlarged, flattened, pearl-shaped mid-scapular denticles; denticles of main band in two main sizes in adults, crowns plate-like to heart-shaped; dorsal disc uniformly yellowish, brownish, or greyish; ventral surface of adults usually canary yellow in fresh material, often black around oronasal region and gill slits; pectoral fin radials 135-143; pelvic-fin radials 22-28; total vertebral centra 99-108 (Ref. 58025).
區別的特徵為下列的組合特徵了: 子圓形的體盤, 非常有角的前面地, 倍 DW 的長度 1.1; 胸鰭頂點寬廣地圓的; 吻非常地延長, 11-18 倍眼窩直徑, 96-99個 ° 角; 對最大的體盤寬度 52-58% 的 DW 的吻; 眼窩非常小的, 呼吸孔長度的直徑 0.4-0.5, 3.8-6.3個倍眼間距; 嘴不是非常能伸展; 不被擴大的腹鰭前的突起; 1-3 增大的, 平的, 珍珠-形狀的在-之中肩胛細齒; 在二個主要的大小中的主要條紋的細齒當成魚時, 冠板狀的到心形的; 背部的體盤均勻淡黃色﹐褐色的﹐或略灰色的; 腹面成魚通常金絲雀黃色的在新鮮的材料, 時常黑色的 oronasal 區域與鰓縫的周圍; 胸鰭動脈 135-143; 腹鰭動脈 22-28; 總計的椎骨中心 99-108.(參考文獻 58025)

生物學特性     字彙 (例如 epibenthic)

Demersal inshore; commonly found over shallow intertidal mud flats and in estuaries in only several metres depth. Viviparous, with histotrophy. Presumably feeds on crustaceans, molluscs and small fishes. Caught regularly, but usually avoided, by beach seine fisheries operating in intertidal habitats. Possibly adversely affected by mangrove loss. Utilized for its meat, and possibly also for its skin and cartilage. (Ref.58048).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

西太平洋: 南方伊裡安加亞與可能毗連的巴布亞新幾內亞。

主要參考資料 Upload your references | 參考文獻 | 合作者 : McEachran, John | 合作者

Last, P.R., M. Manjaji-Matsumoto and P.J. Kailola, 2006. Himantura hortlei n. sp., a new species of whipray (Myliobatiformes: Dasyatidae) from Irian Jaya, Indonesia. Zootaxa (1239):19-34. (Ref. 58025)

IUCN 瀕危狀態 (Ref. 123251)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (A4cd); Date assessed: 11 July 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 115969): 27.9 - 29.2, mean 28.8 °C (based on 264 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00359 - 0.01840), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 ().
瀕危性 (Ref. 59153):  High to very high vulnerability (72 of 100) .