分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Rhinosardinia: Greek, rhinos = nose + Latin, sardina, derived from Greek, sarda = sardine and also connected with the island of Sardinia (Ref. 45335).
More on author: Steindachner.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 外洋の. Tropical; 10°N - 20°S, 68°W - 34°W (Ref. 188)
South America: lower reaches of the Orinoco; Surinam; Pernambuco and Bahia, Brazil. Many records of the species are unconfirmed and its real distribution is not certain.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 8.0 cm SL オス/雌雄の選別がない; (Ref. 188)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 13 - 21; 肛門の骨: 0; 臀鰭: 15 - 18; 脊つい: 43. Distinguished from the very similar R. amazonica mainly by having more vertebrae and more scales in lateral series. Easily separated from all other clupeids in the area by the sharp retrorse spine on the upper part of the maxilla at about the level of the eye center. A silver stripe along the flank reported by some authors. Two distinct parallel striae on scales.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
A riverine freshwater species, but also tolerating brackish water.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 食糧水産
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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00776 (0.00436 - 0.01383), b=3.02 (2.87 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
栄養段階 (参照 69278) |
3.1 ±0.3 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
価格帯 (Ref. 80766) |
Low.
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