Glaucostegus typus (Anonymous [Bennett], 1830)
Giant shovelnose ray
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Glaucostegus typus AquaMaps Data sources: GBIF OBIS |
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Glaucostegidae (Giant guitarfishes)
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Indo-West Pacific: Thailand to New Guinea and the Solomon Islands, south to Australia. Records from the south coast of India, Sri Lanka, Bangladesh, and Myanmar need confirmation.
印度-西太平洋: 泰國到新幾內亞與索羅門群島,南至澳洲。 記錄從印度南部海岸，斯里蘭卡，孟加拉與緬甸需要證實。
印度-西太平洋: 泰國到新幾內亞與索羅門群島,南至澳洲。 記錄從印度南部海岸，斯里蘭卡，孟加拉與緬甸需要證實。
首次成熟时的长度 / 大小 / 重量 / 年龄
Occurs inshore and offshore, from the intertidal to offshore continental and insular shelves (Ref. 9909). Young individuals are found inshore on sand flats, around atolls, and in mangrove swamps, estuaries and coastal lagoons (Ref. 6871). Adults occur inshore, over continental shelf, to ~100 m deep, and also the only rhinobatid reportedly able to live and breed in freshwater (Ref. 6871, 127960). Feeds on shellfish, mainly on crustaceans, prawns and crabs (Ref. 9909, Ref. 114953) and also small bony fishes (Ref. 127960). Ovoviviparous (Ref. 50449). Maturity size at 150-180 cm TL; born at 38-40 cm TL (Ref. 114953). Probably the major commercial guitarfish in the Western Central Pacific (Ref. 9909). Caught regularly by demersal tangle net fisheries operating throughout the area. Utilized for its meat, fins (both very high value), skin and cartilage (Ref. 58048). Reported to attain a maximum length of 4 m (Ref. 58784).
生活于近海与外海, 从潮间带到外海大陆架与岛屿棚.(参考文献 9909) 成鱼被发现离岸水域而幼鱼个体被发现在沿海的沙地浅滩, 环礁的周围, 与在红树林沼泽中.(参考文献 6871) 吃贝。 (参考文献 9909) 卵胎生的.(参考文献 50449) 报告永久地在淡水中生存与繁殖。 (参考文献 6871) 可能在中西太平洋的主要商业的犁头鳐.(参考文献 9909)
生活于近海与外海, 从潮间带到外海大陆架与岛屿棚.(参考文献 9909) 成鱼被发现离岸水域而幼鱼个体被发现在沿海的沙地浅滩, 环礁的周围, 与在红树林沼泽中.(参考文献 6871) 吃贝。 (参考文献 9909) 卵胎生的.(参考文献 50449) 报告永久地在淡水中生存与繁殖。 (参考文献 6871) 可能在中西太平洋的主要商业的犁头鳐.(参考文献 9909)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Born at 38-40 cm TL (Ref.58048).印度-西太平洋: 泰國到新幾內亞與索羅門群島,南至澳洲。 記錄從印度南部海岸，斯里蘭卡，孟加拉與緬甸需要證實。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
极度濒危 (CR) (A2bd); Date assessed: 03 December 2018
对人类的威胁
无害处的 (Ref. 12951)
人类利用
渔业: 低经济; 水族馆: 商业性
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基于模型的估算
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系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00389 (0.00140 - 0.01084), b=3.05 (2.82 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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营养阶层 (参考文献 69278) |
3.6 ±0.50 se; based on food items. |
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回复力 (参考文献 120179) |
低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100). |
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渔业脆弱性 (Ref. 59153) |
High vulnerability (61 of 100). 🛈 |
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价格分类 (Ref. 80766) |
Low. |