科: Cyprinidae
コクレン（Hypophthalmichthys nobilis）はコイ科に分類される淡水魚で、中国に分布する。成魚は約 109.5–160.6 cm、適水温 18–28 °C。
Hypophthalmichthys nobilis, a member of the family Cyprinidae, comes from China, where it inhabits clear streams and rivers over gravel. Mostly peaceful community fish and accepts quality flakes, granules and frozen foods, it grows to 109.5–160.6 cm and adapts well to a properly set-up aquarium in the 18–28 °C range. Other Hypophthalmichthys species in our database include Hypophthalmichthys molitrix.
中級向き。水質の安定が重要。Mostly peaceful community fish。Singly or in small groups depending on temperament。
適水温 18–28 °C。18–28 °C manually curated 2026-09-20 (was GBIF-derived)。Room temperature to heated, depending on origin。
成魚は 109.5–160.6 cm。最低 500 L。
Accepts quality flakes, granules and frozen foods。1日2回の少量給餌が理想的。
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。Clear streams and rivers over gravelに生息。Moderate, well-oxygenated current。Appreciates well-oxygenated water。
リスクは低いが、ふたがあると安心。
繁殖：Egg-scatterer; no parental care。Males often slimmer and more colourful。