科: Characidae
红蚂蚁灯为Characidae鱼类，原生分布于南美洲。成体约 2.4–3.5 cm，适宜水温 20–23 °C。
Hyphessobrycon sweglesi 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 2.4–3.5 cm of adult fish at 20–23 °C. Related profiles: Hyphessobrycon amandae, Hyphessobrycon herbertaxelrodi, Hyphessobrycon eques.
中等难度，稳定水质比高端设备更关键。Mostly peaceful; larger species predatory，Strong shoalers; keep in groups of 8 or more。
建议水温 20–23 °C，20–23 °C recorded range；Heater for stable tropical warmth。
成体 2.4–3.5 cm 左右，因其Bottom-dwelling的习性，25 L 以上的缸更合适。
Omnivore with carnivorous tilt。建议人工饲料搭配冷冻或活饵，保证多样性。
可以。Mostly peaceful; larger species predatory，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。
原生于南美洲，栖息于Blackwater streams and flooded forest。Still to gentle current，Moderate。
无明显跳缸倾向，常规缸盖即可。
人工环境下：Egg-scatterer among fine plants。Subtle; females fuller-bodied。