科: Balitoridae
イワハイウオ／カイナンタニノボリ（Beaufortia leveretti）はウナギ科の爬鳅に分類される淡水魚で、越北・紅河流域に分布する。成魚は約 9–13.2 cm、適水温 18–24 °C。
Beaufortia leveretti is a Balitoridae from Red River basin, N Vietnam. In the wild it prefers fast-flowing mountain streams, clinging to rocks; in the aquarium it stays peaceful grazer. Plan on 9–13.2 cm of adult fish at 18–24 °C. Related profiles: Beaufortia kweichowensis, Beaufortia liui, Beaufortia pingi.
中級者向き。Peaceful grazer; squabbles are brief pushes。Loosely social; crowding causes endless pushing。
18–24 °C が目安。急変を避け、Cool, highly oxygenated water。
成魚 9–13.2 cm 前後。Bottom-dwellingのため 209 L 以上の水槽を推奨。
Algae and biofilm specialist; supplement with wafers。人工飼料に冷凍餌を組み合わせて。
可能。Peaceful grazer; squabbles are brief pushes。おすすめ：Hillstream loaches of similar size — Graze side by side on open stone。Warm-water community fish — Need different temperaturesとの混泳は避ける。
越北・紅河流域のFast-flowing mountain streams, clinging to rocksが生息地。
繁殖：Breeding rarely reported in aquaria; presumed egg-scatterer。Difficult to distinguish。