Pateobatis hortlei, Hortle's whipray

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

Hortle's whipray
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Pateobatis hortlei   AquaMaps   Data sources: GBIF OBIS
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Image of Pateobatis hortlei (Hortle\
No image available for this species;
drawing shows typical species in Dasyatidae.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (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 生态学

; 海洋; 半咸淡水 居于水底的; 深度上下限 2 - 7 m (Ref. 58025).   

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Western Pacific: eastern Indonesia (Irian Jaya), Papua New Guinea and northern Australia.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 70.7 cm WD 雄鱼/尚未辨别雌雄; (Ref. 58025); 65.4 cm WD (female)

简单描述 型态特徵 | 形态测量图

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).

生物学特性     字汇 (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 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 123251)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A4cd); Date assessed: 11 July 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO - Publication: search | FishSource |

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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).
营养阶层 (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 ().
脆弱性 (Ref. 59153):  High to very high vulnerability (72 of 100) .