科: Cyprinidae
タイワンオイカワ（Opsariichthys evolans）はコイ科に分類される淡水魚で、中国東部の渓流に分布する。成魚は約 6.8–9.9 cm、適水温 10–20 °C。
Opsariichthys evolans is a Cyprinidae from eastern Chinese streams. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays mostly peaceful community fish. Plan on 6.8–9.9 cm of adult fish at 10–20 °C. Related profiles: Opsariichthys bidens, Opsariichthys pachycephalus, Opsariichthys hainanensis.
中級者向き。Mostly peaceful community fish。Singly or in small groups depending on temperament。
10–20 °C が目安。急変を避け、Room temperature to heated, depending on origin。
成魚は 6.8–9.9 cm。最低 118 L。
Accepts quality flakes, granules and frozen foods。Fine gravel and sand上で採餌する性質を活かし、沈む餌も与える。
Mostly peaceful community fish；Singly or in small groups depending on temperament。向いているのはRobust schooling cyprinids — Add activity without conflict。Much larger predators — Risk at nightは不向き。
原産地は中国東部の渓流。Clear streams and rivers over gravelに生息。Moderate, well-oxygenated current。Appreciates well-oxygenated water。
飛び出しの傾向は低い。標準のふたでOK。
Egg-scatterer; no parental care。Males often slimmer and more colourful。