Acroteriobatus blochii (Müller & Henle, 1841)
Bluntnose guitarfish
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) > Rhinobatidae (Guitarfishes)
Eponymy: Marcus Élieser Bloch (1723–1799) was a German physician and naturalist specialising in ichthyology. [...] (Ref. 128868), visit book page.
More on authors: Müller & Henle.
Eponymy: Marcus Élieser Bloch (1723–1799) was a German physician and naturalist specialising in ichthyology. [...] (Ref. 128868), visit book page.
More on authors: Müller & Henle.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
海洋 礁区鱼类. 熱帶; 23°S - 35°S, 12°E - 18°E (Ref. 114953)
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Southeast Atlantic to West Indian Ocean: Namibia (Walvis Bay) to South Africa (Cape of Good Hope).
東大西洋: 茅利塔尼亞與塞內加爾到南非的 Table 灣。
東大西洋: 茅利塔尼亞與塞內加爾到南非的 Table 灣。
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
A guitarfish with a broadly pointed snout and a broad pectoral disc (Ref. 5578). Plain brown above, young with white spots (Ref. 5578).
Body shape (shape guide): elongated.
一个犁头鳐具有一个尖端宽的吻与一个宽的胸盘。 (参考文献 5578) 一致褐色的上方, 幼鱼有白色的斑点。 (参考文献 5578)
Body shape (shape guide): elongated.
一个犁头鳐具有一个尖端宽的吻与一个宽的胸盘。 (参考文献 5578) 一致褐色的上方, 幼鱼有白色的斑点。 (参考文献 5578)
A rare and unknown species found inshore, in shallow bays and off sandy beaches (Ref. 5578). Ovoviviparous (Ref. 50449). Reaches 96 cm TL (Ref. 114953). Occasionally taken in recreational shore fisheries (Ref. 127960).
在浅湾与沙滩外中,一个稀有与未知的种发现沿海地区。 (参考文献 5578) 卵胎生的.(参考文献 50449)
在浅湾与沙滩外中,一个稀有与未知的种发现沿海地区。 (参考文献 5578) 卵胎生的.(参考文献 50449)
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).東大西洋: 茅利塔尼亞與塞內加爾到南非的 Table 灣。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 : McEachran, John | 合作者
Stehmann, M., 1990. Rhinobatidae. p. 23-27. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6497)
对人类的威胁
无害处的
人类利用
渔业: bycatch
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基于模型的估算
|
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00302 (0.00155 - 0.00589), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
|
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). |
|
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |
|
价格分类 (Ref. 80766) |
Low. |