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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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 / 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: Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 6.2 cm SL オス/雌雄の選別がない; (Ref. 138957)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 8; 臀鰭: 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.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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のレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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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]. |
栄養段階 (参照 69278) |
2.7 ±0.3 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |