分类 / Names
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)
Etymology: glaucostigma: Specific name referring to a colored mark..
More on authors: Jordan & Gilbert.
Issue
Date Eschmeyer, pers.comm.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 1 - 112 m (Ref. 96339). 熱帶; 28°N - 4°S, 112°W - 82°W (Ref. 114953)
Eastern Central Pacific: Gulf of California to Ecuador.
中太平洋東部: 加州灣到厄瓜多。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 89.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 114953)
Benthic in shallow waters over soft bottom (Ref. 9262). Adults feed on prawns and crabs, juveniles mainly amphipod crustaceans (Ref. 114953). Ovoviviparous (Ref. 50449).
底栖于在软质底部上的浅水域。 (参考文献 9262) 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).中太平洋東部: 加州灣到厄瓜多。
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
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Estimates based on models
Preferred temperature (Ref.
123201): 19.7 - 28.9, mean 26 °C (based on 84 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00156 - 0.00444), b=3.08 (2.93 - 3.23), in cm total length, based on LWR estimates for this species & Genus-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 (56 of 100).
Nutrients (Ref.
124155): Calcium = 42 [11, 188] mg/100g; Iron = 0.765 [0.198, 2.189] mg/100g; Protein = 18.6 [16.5, 20.5] %; Omega3 = 0.149 [0.065, 0.342] g/100g; Selenium = 54.8 [13.8, 152.3] μg/100g; VitaminA = 12.8 [4.9, 31.8] μg/100g; Zinc = 0.886 [0.436, 1.580] mg/100g (wet weight);