分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類. 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (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).
一個犁頭鰩具有一個尖端寬的吻與一個寬的胸盤。 (參考文獻 5578) 一致褐色的上方, 幼魚有白色的斑點。 (參考文獻 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).
在淺灣與沙灘外中,一個稀有與未知的種發現沿海地區。 (參考文獻 5578) 卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
人類使用
工具
特別的報告
下載 XML
網路資源
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).
營養階層 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
