红尾护头鲶 (Phractocephalus hemioliopterus)

科: Pimelodidae

红尾护头鲶为油鲶科鱼类，原生分布于南美洲。成体约 135–198 cm，适宜水温 24–30 °C。

饲养参数

水温: 24–30 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 135–198 cm
最小缸体: 500 L
水层: Middle of the water column
饲养难度: 中等
性情: Predatory toward fish close to its mouth size
产地: 南美洲

物种概述

Phractocephalus hemioliopterus is a Pimelodidae from South America. In the wild it prefers large rivers and floodplains over sand; in the aquarium it stays predatory toward fish close to its mouth size. Plan on 135–198 cm of adult fish at 24–30 °C. In a community tank it pairs well with Similar-sized peaceful community fish.

原生生境

栖息地: Large rivers and floodplains over sand
水流: Moderate current
溶氧: High oxygen appreciated

造景与硬件

底床: Fine sand
硬景观: Large caves and driftwood
水草: Not essential

性格食性与混养

群游性: Singles or small groups in very large tanks
食性: Carnivore; meaty sinking foods
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: Hard to distinguish
繁殖方式: Not bred in home aquaria

常见问题

红尾护头鲶好养吗？

适合有一定经验的玩家。Predatory toward fish close to its mouth size；Singles or small groups in very large tanks。

红尾护头鲶适合什么水温和水质？

保持 24–30 °C 并避免波动，pH 6.5–7.5、GH 5–15 dGH 即可。

红尾护头鲶能长多大，需要多大的缸？

成体约 135–198 cm；最小缸体 500 L，并留出活动空间。

红尾护头鲶吃什么？

Carnivore; meaty sinking foods。它在Fine sand上自然觅食，投喂可少量多次。

红尾护头鲶能和其他鱼混养吗？

可以。Predatory toward fish close to its mouth size，适合与Similar-sized peaceful community fish — Similar size and water needs混养。避开Much smaller fish — May outcompete or bully tiny tankmates。

红尾护头鲶产自哪里？

分布于南美洲：Large rivers and floodplains over sand，Moderate current。

红尾护头鲶怎么繁殖？

人工环境下：Not bred in home aquaria。Hard to distinguish。