分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Zapteryx: Greek, za = an augmentative particle + Greek, pteryx, wing, fin (Ref. 45335).
More on authors: Müller & Henle.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 50 m (Ref. 114953). 亞熱帶的; 20°S - 40°S, 58°W - 47°W (Ref. 114953)
Southwest Atlantic: from northern Argentina to southern Brazil.
西南大西洋: 巴西 (參考文獻 6902) 到阿根廷.(參考文獻 58839)
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 46.4 range ? - ? cm
Max length : 53.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 115173); 59.3 cm TL (female); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6077); 最大體重: 758.00 g (Ref. ); 最大體重: 758.00 g
Obtuse snout, broader heart shaped disc. Olive to brownish gray above, without definite markings, dorsal and caudal darker than general ground tint, margins of pectoral and pelvic fins paler. Lower surface grayish or yellowish white, posterior corners of pectoral fins and tips of pelvic fins more or less dusky (Ref. 6902).
圓頭的吻, 比較寬的心形體盤。 橄欖色對灰褐色上方, 沒有固定的斑紋，背鰭與尾鰭顏色比底色深, 胸鰭與腹鰭灰白的邊緣。 下表面淺灰色或黃白色, 胸鰭後角與腹鰭頂端約略暗色的.(參考文獻 6902)
This benthic inshore species is found over soft bottoms to at least 50 m; feeds on benthic crustaceans and polychaetes. Gestation last about a year, produces litters of 1-8 pups in autumn (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size for males at 43-45 cm TL, females at 42-48 cm TL; birth size at 13-16 cm TL (Ref. 114953).
卵胎生的.(參考文獻 50449)
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).西南大西洋: 巴西 (參考文獻 6902) 到阿根廷.(參考文獻 58839)
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)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (A2bd); Date assessed: 01 July 2019
人類使用
漁業: 低經濟
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00308 - 0.01235), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.6 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): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 35.9 [5.9, 168.6] mg/100g; Iron = 0.87 [0.23, 2.50] mg/100g; Protein = 19.8 [17.6, 21.7] %; Omega3 = 0.372 [0.152, 0.819] g/100g; Selenium = 15.9 [4.6, 44.3] μg/100g; VitaminA = 12.3 [4.4, 32.7] μg/100g; Zinc = 0.667 [0.317, 1.222] mg/100g (wet weight);
