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) >
Gurgesiellidae (Pygmy skates)
Etymology: Fenestraja: Latin, fenestra, -ae = small hole or opening in a bone + Latin, raja, -ae = a fish, Raja sp. (Ref. 45335).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 深海魚. Deep-water
Western Central Atlantic: Bahamas and the Florida Keys.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 22.0 cm TL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
Tail posterior to the tips of the pelvic fins. Prickles on disc and tail are not densely pigmented. Dark marking on disc and tail. Upper surface of disc pale brown. Lower surface pale yellowish without dark markings (Ref. 6902).
Body shape (shape guide): other.
Solitary (Ref. 26340). 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
系統多様性指数 (参照 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
|
a=0.00661 (0.00225 - 0.01943), b=2.95 (2.71 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.7 ±0.5 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) |
Low vulnerability (12 of 100). 🛈 |