科: Nemacheilidae
八目鳅为条鳅科鱼类，平和、群居、略偏夜行，原生分布于日本。关灯后才是它的主场，细沙与缓沉饲料是关键。成体约 5.3–7.8 cm，建议 4–6 尾同养，夜行活动更自在，适宜水温 18–22 °C。细沙胜过一切造景。
Lefua echigonia is a Nemacheilidae from Japan. In the wild it prefers hill-streams and riffles over pebbles; in the aquarium it stays peaceful, sociable and slightly nocturnal. Plan on 5.3–7.8 cm of adult fish at 18–22 °C. Related profiles: Lefua costata, Lefua nikkonis.
中等难度，稳定水质比高端设备更关键。Peaceful, sociable and slightly nocturnal，Sociable; keep 4–6 so night-time activity stays confident。
建议水温 18–22 °C，18.0–22.0 °C typical for the genus；Cooler, stable range preferred。
成体约 5.3–7.8 cm；最小缸体 73 L，并留出活动空间。
Omnivore that appreciates live or frozen treats。建议人工饲料搭配冷冻或活饵，保证多样性。
可以。Peaceful, sociable and slightly nocturnal，适合与Small calm cyprinids — Occupy a different water layer混养。避开Large predators — Loaches are on the menu。
分布于日本：Hill-streams and riffles over pebbles，Strong, well-oxygenated current。
Scatters eggs among fine plants; no aftercare。Females rounder-bodied。