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Cypriniformes (Carps) >
Balitoridae (River loaches)
Eponymy: Richardus Digdo Yuwono was an aquarist who was one of the founders of and a leading member of the Indonesian Ornamental Fish Association. [...] (Ref. 128868), visit book page.
More on author: Kottelat.
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; 深さの範囲 1 - ? m (Ref. 33004). Tropical
Asia: presently known only from the type locality in the Kapuas basin in western Borneo, Indonesia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 4.4 cm SL オス/雌雄の選別がない; (Ref. 33004)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10; 臀鰭: 8. Color pattern consists of 6-7 oblique bars, each with a dark posterior margin and a fainter, irregular anterior margin; pectoral fin with 5 simple and 11-12 branched rays, pelvic fin with 2 simple and 8 branched rays, 39-40 + 1-2 scales on lateral line, scales with low keels, and pelvic-fin origin slightly in front of dorsal-fin origin.
Body shape (shape guide): elongated.
Inhabits upland, fast flowing steams, among gravel (Ref. 56749). Taken at depths greater than 60 cm in riffles of a large stream, about 20 m wide flowing through a degraded hill forest. Other fish captured with this species and in similar habitat type include Acrochordonichthys melanogaster, Akysis fuscus, Glyptothoax 'major', Neogastromyzon nieuwenhuisii, Gastromyzon punctulatus, Homaloptera nebulosa, H. stephensoni, H. zollingeri and H. ophiolepis (Ref. 33004).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Kottelat, M., 1998. Homaloptera yuwonoi, a new species of hillstream loach from Borneo, with a new generic name for H. thamicola (Teleostei: Balitoridae). Ichthyol. Explor. Freshwat. 9(3):267-272. (Ref. 33004)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00320 - 0.01640), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |