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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Raja miraletus AquaMaps Data sources: GBIF OBIS |
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画像 | グーグルの画像
Raja miraletus
画像によって Furlan, B.
画像 | グーグルの画像
画像によって Furlan, B.
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) > Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
More on author: Linnaeus.
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
More on author: Linnaeus.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
海; 汽水性の 底生の; 深さの範囲 17 - 462 m (Ref. 56504), usually 50 - 150 m (Ref. 27121). Subtropical; 44°N - 35°S
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Northeast Atlantic: from Spain (Bay of Biscay) to Morocco and Madiera, including the Mediterranean Sea.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ?, range 44 - ? cm
Max length : 63.0 cm TL オス/雌雄の選別がない; (Ref. 39256); 59.7 cm TL (female); common length : 35.0 cm TL オス/雌雄の選別がない; (Ref. 2683)
Max length : 63.0 cm TL オス/雌雄の選別がない; (Ref. 39256); 59.7 cm TL (female); common length : 35.0 cm TL オス/雌雄の選別がない; (Ref. 2683)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 肛門の骨: 0. Snout short and bluntly pointed; disc angular (Ref. 5578). Upper surface prickly only in young, nearly smooth in adults, underside smooth (Ref. 3167). Upper surface ochre to reddish-brown with scattered dark spots, underside white (Ref. 3167); two bright blue eyespots centered on the pectoral bases (Ref. 5578); may have a small dark spot on tip of snout (Ref. 2708).
Body shape (shape guide): other; Cross section: flattened.
Body shape (shape guide): other; Cross section: flattened.
Found over soft bottoms of the shelf and the uppermost slope (Ref. 5578). Depth range from 17-300 m, and up to depth of 462 m in the eastern Ionian Sea (Ref. 56504). Feed on all kinds of benthic animals, also on fish offal (Ref. 5578). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 4.2-4.6 cm long and 2.7-2.9 cm wide (Ref. 41250). About 40-72 eggs are lain by an individual in a year (Ref. 41250). Caught by ski-boat anglers (Ref. 5578).
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). With egg-cases laid from spring to summer (Ref. 3167). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター : McEachran, John | 協力者
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)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; ゲームフィッシュ: はい
FAO - 水産業: landings search; Publication: search | FishSource | 私達の周りの海
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インターネットの情報源
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モデルに基づく推定値
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系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00195 (0.00163 - 0.00233), b=3.26 (3.23 - 3.29), in cm total length, based on LWR estimates for this species (Ref. 93245). |
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栄養段階 (参照 69278) |
3.7 ±0.6 se; based on diet studies. |
| Generation time | 6.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
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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). |
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漁業の脆弱性 (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |
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価格帯 (Ref. 80766) |
Medium. |
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栄養素 (Ref. 124155) |
Calcium = 14.6 [1.8, 262.7] mg/100g; Iron = 0.723 [0.068, 8.569] mg/100g; Protein = 17.4 [14.6, 19.7] %; Omega3 = 0.651 [0.282, 1.514] g/100g; Selenium = 27.2 [5.1, 132.3] μg/100g; VitaminA = 5.9 [0.6, 60.8] μg/100g; Zinc = 0.601 [0.041, 6.724] mg/100g (wet weight); |