分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类. 熱帶; 23°S - 35°S, 12°E - 18°E (Ref. 114953)
Southeast Atlantic: South Africa to Namibia.
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
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 6497)
A guitarfish with a broadly pointed snout and a broad pectoral disc (Ref. 5578). Plain brown above, young with white spots (Ref. 5578).
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).
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)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 16.2 - 27.9, mean 25.5 °C (based on 265 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00151 - 0.00578), 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 (Ref.
69278): 3.6 ±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 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
