科: Characidae
拉氏细脂鲤为Characidae鱼类，原生分布于南美洲。成体约 5.3–7.8 cm，适宜水温 20–26 °C。
Aphyocharax rathbuni is a Characidae from South America. In the wild it prefers blackwater streams and flooded forest; in the aquarium it stays mostly peaceful. Plan on 5.3–7.8 cm of adult fish at 20–26 °C. Related profiles: Aphyocharax anisitsi, Aphyocharax erythrurus, Aphyocharax nattereri.
饲养难度：中等。Mostly peaceful; larger species predatory。
水温控制在 20–26 °C，重点是稳定。Heater for stable tropical warmth。
成体约 5.3–7.8 cm，属Bottom-dwelling鱼类，建议至少 73 L 缸体。
Omnivore with carnivorous tilt。它在Dark sand and leaf litter上自然觅食，投喂可少量多次。
Mostly peaceful; larger species predatory；Strong shoalers; keep in groups of 8 or more。理想混养对象：Similar-sized peaceful community fish — Similar size and water needs。需避开Much smaller fish — May outcompete or bully tiny tankmates。
分布于南美洲：Blackwater streams and flooded forest，Still to gentle current。
无明显跳缸倾向，常规缸盖即可。
Egg-scatterer among fine plants。Subtle; females fuller-bodied。