东京鳑鲏 (Tanakia tanago)

科: Cyprinidae

东京鳑鲏,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
18–26 °C
pH
6.5–7.5
GH 硬度
5–15 dGH
成体体长
3.5–5 cm
最小缸体
50 L
水层
Mid-water swimmer; keep 6+
饲养难度
中等
性情
Peaceful
产地
日本

物种概述

A Cyprinidae species native to Japan: Tanakia tanago lives mid-water swimmer; keep 6+ over clear streams, rivers and still waters. Peaceful. Adults reach 3.5–5 cm. It is one of the aquarium-kept Tanakia species we profile, alongside Tanakia koreensis, Tanakia himantegus, Tanakia lanceolata.

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
Keep 6+; larger groups settle better
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

田中游鱼难养吗?

不算难,但讲究:体型小、活跃、对疏忽敏感。干净、稳定、轻柔的水和足够的群体数量就是全部秘诀。

它为什么濒危?

首要原因是栖息地丧失:混凝土衬砌的水道、消失的灌溉沟渠、衰退的蚌类种群。它的故事就是日本传统低地水域的故事。

能混养吗?

可以与其它极小、温和、温带鱼混养。避开任何体型大、喧闹或喜暖水的鱼——它属于专门的小型鱼缸。

多小的缸可以接受?

过滤良好的 40 升密植缸可养一群,但稳定水质比容积更重要——小缸要求严谨的维护纪律。