分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Diapoma: Greek, dis, dia = through + Greek, poma = cover (Ref. 45335); potamohadros: Name 'potamohadros' from the Greek words 'potamo' and 'hadros', meaning 'river' and 'big or bigger', in reference to Iguaçu River (Ref. 138957).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Brazil.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 6.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 138957)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 8; 臀鰭軟條: 20 - 26. This species is distinguished from its congeners by the following set of characters: discontinuous perforation of lateral line scales; an unpigmented adipose fin; modified scales in the caudal fin absent; posterior elongation of opercular bones absent; distal border of the anal fin concave in males; number of scales forming the anal-fin sheath (5-12); number of branched anal-fin rays (20-26); body depth (27.6-31.9% SL); five or more cusps on the teeth in the inner series of premaxilla; longitudinal black stripe extending posteriorly on the middle caudal-fin rays; and conspicuous black blotch on the caudal-fin base absent (Ref. 138957).
Body shape (shape guide): fusiform / normal.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ito, P.M.M., T.P. Carvalho, C.S. Pavanelli, J.A. Vanegas-Ríos and L.R. Malabarba, 2022. Phylogenetic relationships and description of two new species of Diapoma (Characidae: Stevardiinae) from the La Plata River basin. Neotrop. Ichthyol. 20(1):e210115. (Ref. 138957)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
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特別的報告
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
營養階層 (參考文獻 69278) |
2.7 ±0.3 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |