分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Psammobatis: Greek, psammos = sand + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] (Ref. 128868), visit book page.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の; 深さの範囲 ? - 121 m (Ref. 58018). Subtropical
Southeast Pacific (Ref. 27540) and Southwest Atlantic: Uruguay to Argentina (Ref. 58839).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 58.0 cm TL オス/雌雄の選別がない; (Ref. 126345); 55.0 cm TL (female); 最大公表体重: 1.4 kg (Ref. 126345); 最大公表体重: 1.4 kg
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 6.8 - 13.5, mean 9.4 °C (based on 76 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00365 - 0.00908), b=3.07 (2.94 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Fec assumed to be <100).
漁業の脆弱性 (Ref.
59153): Moderate vulnerability (43 of 100).
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栄養素 (Ref.
124155): Calcium = 110 [16, 2,849] mg/100g; Iron = 1.33 [0.12, 18.12] mg/100g; Protein = 14.6 [12.9, 16.4] %; Omega3 = 0.69 [0.17, 2.70] g/100g; Selenium = 6.27 [0.76, 40.18] μg/100g; VitaminA = 224 [11, 4,346] μg/100g; Zinc = 1.74 [0.13, 20.44] mg/100g (wet weight); based on
nutrient studies.