剑尾鱼 (Xiphophorus hellerii)

科: Poeciliidae

剑尾鱼，性情温和的杂食性鱼类，原生分布于中美洲（墨西哥、危地马拉、洪都拉斯），新手友好。

饲养参数

水温: 22–28 °C
pH: 7–8
GH 硬度: 9–19 dGH
成体体长: 9.8–14 cm
最小缸体: 140 L
水层: Mid-water swimmer
饲养难度: 容易
性情: Peaceful
产地: 中美洲（墨西哥、危地马拉、洪都拉斯）

物种概述

A Poeciliidae species: Xiphophorus hellerii lives mid-water swimmer over clear streams, rivers and still waters. Peaceful. Adults reach 9.8–14 cm. It is one of the aquarium-kept Xiphophorus species we profile, alongside Xiphophorus maculatus, Xiphophorus variatus.

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: Dark fine gravel or sand
硬景观: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Mixed planting with open swimming lanes

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
Striped Bitterling — Similar size and water needs
Acheilognathus gracilis — 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: Livebearer; females give birth to free-swimming fry; condition with rich foods and simulate seasonal changes

常见问题

剑尾鱼好养吗？

饲养难度：容易。Peaceful。

剑尾鱼适合什么水温和水质？

建议水温 22–28 °C，22–28 °C recorded range；Standard heater to hold the mid-range steadily。

剑尾鱼能长多大，需要多大的缸？

成体 9.8–14 cm 左右，因其Mid-water swimmer的习性，140 L 以上的缸更合适。

剑尾鱼吃什么？

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

剑尾鱼能和其他鱼混养吗？

Peaceful。推荐混养：Amur False Gudgeon — Similar size and water needs, Striped Bitterling — Similar size and water needs, Acheilognathus gracilis — Similar size and water needs。避免与Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage同缸。

剑尾鱼产自哪里？

原生于中美洲（墨西哥、危地马拉、洪都拉斯），栖息于Clear streams, rivers and still waters。Moderate flow，Average oxygen needs。

剑尾鱼怎么繁殖？

人工环境下：Livebearer; females give birth to free-swimming fry; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。