分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Patos lagoon basin and adjacent coastal plains in southern Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 3.4 cm SL オス/雌雄の選別がない; (Ref. 81223)
The type locality is located in an open vegetation at the boarder of a forest and is a shallow pool, about 5-10 cm deep, with orangish hyaline water (Ref. 81223). A female-biased sex ratio (2.38 : 1, female : male) has been reported for this species (Ref. 92020).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Costa, W.J.E.M. and L.E.K. Lanés, 2009. Rivulus riograndensis, a new aplocheiloid killifish from Southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 20(1):91-95. (Ref. 81223)
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: 興味がない
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00490 (0.00301 - 0.00797), b=3.13 (2.99 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |