北方泥鳅 (Lefua costata)

科: Nemacheilidae

北方泥鳅，性情温和的杂食性鱼类，原生分布于日本，中等饲养难度。

饲养参数

水温: 18–22 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 6.9–9.8 cm
最小缸体: 98 L
水层: Bottom; rests and forages low
饲养难度: 中等
性情: Peaceful
产地: 日本

物种概述

Lefua costata, a member of the family Nemacheilidae, comes from Japan, where it inhabits clear streams, rivers and still waters. Peaceful and omnivore; quality prepared foods with variety, it grows to 6.9–9.8 cm and adapts well to a properly set-up aquarium in the 18–22 °C range. Other Lefua species in our database include Lefua echigonia, Lefua nikkonis.

原生生境

栖息地: Clear streams, rivers and still waters
水流: Moderate flow
溶氧: Average oxygen needs

造景与硬件

底床: Smooth gravel and sand with open floor space
硬景观: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Hardy plants on hardscape; keep the floor open

性格食性与混养

群游性: Solitary, pairs or small groups
食性: Omnivore; quality prepared foods with variety
推荐混养: Amur False Gudgeon — Similar size and water needs
China-Bitterling — Similar size and water needs
Acanthorhodeus chankaensis — Similar size and water needs
避免混养: Large aggressive cichlids — Bullying and injury risk
Known fin nippers — Constant stress and fin damage

繁殖与备注

雌雄差异: Males are typically slimmer and more intensely colored; females fuller-bodied
繁殖方式: Spawning; condition with rich foods and simulate seasonal changes

常见问题

北方泥鳅好养吗？

饲养难度：中等。Peaceful。

北方泥鳅适合什么水温和水质？

水温控制在 18–22 °C，重点是稳定。Unheated or lightly heated; guard against summer heat。

北方泥鳅能长多大，需要多大的缸？

成体 6.9–9.8 cm 左右，因其Bottom; rests and forages low的习性，98 L 以上的缸更合适。

北方泥鳅吃什么？

Omnivore; quality prepared foods with variety。建议人工饲料搭配冷冻或活饵，保证多样性。

北方泥鳅能和其他鱼混养吗？

Peaceful；Solitary, pairs or small groups。理想混养对象：Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs。需避开Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage。

北方泥鳅产自哪里？

原生于日本，栖息于Clear streams, rivers and still waters。Moderate flow，Average oxygen needs。

北方泥鳅怎么繁殖？

Spawning; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。