Rhizoprionodon taylori, Australian sharpnose shark

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Rhizoprionodon taylori (Ogilby, 1915)

Australian sharpnose shark
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Rhizoprionodon taylori   AquaMaps   Data sources: GBIF OBIS
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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) > Carcharhiniformes (Ground sharks) 白眼鮫目 (Ground sharks) > Carcharhinidae (Requiem sharks) 白眼鮫科 (Requiem sharks)
Etymology: Rhizoprionodon: rhiza (Gr.), root; prion (Gr.) saw; odon (Gr.), tooth, referring to teeth with serrated (saw-like) bases, or roots [replacement name for Rhizoprion Ogilby 1915, preoccupied by Rhizoprion Jourdan 1861 in mammals]. (See ETYFish);  taylori: In honor of entomologist Frank Henry Taylor (1886-1945), Institute of Tropical Medicine, Townsville, North Queensland, Australia, who collected holotype. (See ETYFish).
More on author: Ogilby.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋; 深度上下限 ? - 300 m (Ref. 75154). 熱帶; 8°S - 28°S

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

Western Pacific: off Papua New Guinea and northern Australia.
西太平洋: 外海的巴布亞新幾內亞與澳洲北部。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 47.0, range 42 - ? cm
Max length : 69.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 9161); 最大年龄: 7 年 (Ref. 9161)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 0; 臀棘 0; 臀鳍软条: 0. Brownish grey above, white below, fins light-edged but not conspicuously marked (Ref. 9997).
背面灰褐色的,腹面白色的, 鳍边缘淡色的但是不明显的标示.(参考文献 9997)

生物学特性     字汇 (例如 epibenthic)

A little-known shark (Ref. 9997) found on the continental shelf from close inshore to a depth of at least 110 m (Ref. 6871). Feeds mainly on fishes, but also takes cephalopods and crustaceans (Ref. 6871). Viviparous (Ref. 50449). Caught frequently by inshore demersal gillnet fisheries off Papua, but rarely elsewhere. Utilized for its fins and meat (Ref.58048). Too small to be of any commercial importance (Ref. 6871).

所知极少的鲨鱼 (参考文献 9997) 发现于大陆架从岸边到深度至少 110 公尺了。 (参考文献 6871) 主要吃鱼, 也捕食头足类动物与甲壳动物.(参考文献 6871) 胎生的.(参考文献 50449) 太小以致于没有任何的商业重要性.(参考文献 6871)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Viviparous, with a yolk-sac placenta (Ref. 9997) and 1-10 pups after a gestation period of 11-12 months; born at ~ 25 cm TL; very rapid growth (Ref.58048). Distinct pairing with embrace (Ref. 205).西太平洋: 外海的巴布亞新幾內亞與澳洲北部。

主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 23 July 2018

CITES


CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): 22.5 - 28, mean 26.6 °C (based on 321 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00199 - 0.00915), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.5   ±0.0 se; based on diet studies.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (K=1.01-1.34; tm=1; tmax=7; Fec=1-8).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100).