射水鱼 (Toxotes jaculatrix)

科: Toxotidae

射水鱼为射水鱼科鱼类，原生分布于印度洋—太平洋。成体约 22.5–33 cm，适宜水温 25–30 °C。

饲养参数

水温: 25–30 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 22.5–33 cm
最小缸体: 500 L
水层: Upper; surface-oriented
饲养难度: 中等
性情: Peaceful but predatory toward surface prey
产地: 印度洋—太平洋

物种概述

Toxotes jaculatrix is a Toxotidae from Indo-Pacific. In the wild it prefers mangrove estuaries and brackish shallows; in the aquarium it stays peaceful but predatory toward surface prey. Plan on 22.5–33 cm of adult fish at 25–30 °C. In a community tank it pairs well with Similar-sized peaceful community fish.

原生生境

栖息地: Mangrove estuaries and brackish shallows
水流: Still to gentle
溶氧: High oxygen appreciated

造景与硬件

底床: Fine sand
硬景观: Overhanging cover and open shooting lanes
水草: Hardy brackish-tolerant species

性格食性与混养

群游性: Keep in groups; they are social hunters
食性: Carnivore; insects and small surface prey
推荐混养: Similar-sized peaceful community fish — Similar size and water needs
避免混养: Much smaller fish — May outcompete or bully tiny tankmates

繁殖与备注

雌雄差异: Males are smaller
繁殖方式: Rare in captivity

常见问题

射水鱼好养吗？

饲养难度：中等。Peaceful but predatory toward surface prey。

射水鱼适合什么水温和水质？

保持 25–30 °C 并避免波动，pH 6.5–7.5、GH 5–15 dGH 即可。

射水鱼能长多大，需要多大的缸？

成体约 22.5–33 cm，属Upper; surface-oriented鱼类，建议至少 500 L 缸体。

射水鱼吃什么？

Carnivore; insects and small surface prey。每天两小餐比一顿大餐更利于状态。

射水鱼能和其他鱼混养吗？

Peaceful but predatory toward surface prey。推荐混养：Similar-sized peaceful community fish — Similar size and water needs。避免与Much smaller fish — May outcompete or bully tiny tankmates同缸。

射水鱼产自哪里？

产地为印度洋—太平洋，典型栖息地是Mangrove estuaries and brackish shallows，对溶氧要求一般。

射水鱼会跳缸吗？

确认会跳：请使用密闭缸盖，并适当降低水位。

射水鱼怎么繁殖？

Rare in captivity。Males are smaller。