科: Cichlidae
红苹果为慈鲷科鱼类，有主见但空间充足时可控，原生分布于中北美洲。领域就是它的世界观；石头砌成的墙比开阔水面更能带来平静。成体约 12.4–18.2 cm，单养、成对或小后宫，切忌拥挤，适宜水温 22–28 °C。过滤要强，石头要堆。
A Cichlidae species native to Central America: Hypsophrys nicaraguensis lives bottom-dwelling over lakes and slow rivers with structure. Assertive but manageable with space and structure. Adults reach 12.4–18.2 cm. In a community tank it pairs well with Other cichlids of similar size and temperament.
适合有一定经验的玩家。Assertive but manageable with space and structure；Singly, in pairs, or as a harem — never crowded。
建议水温 22–28 °C，22–28 °C manually curated 2026-09-20 (was GBIF-derived)；Heater required for stable tropical warmth。
成体约 12.4–18.2 cm；最小缸体 397 L，并留出活动空间。
Accepts all foods; emphasise quality over variety。建议人工饲料搭配冷冻或活饵，保证多样性。
Assertive but manageable with space and structure；Singly, in pairs, or as a harem — never crowded。理想混养对象：Other cichlids of similar size and temperament — Balance aggression across the tank。需避开Delicate planted-tank species — Uprooted and outcompeted。
分布于中北美洲：Lakes and slow rivers with structure，Still to gentle current。
换水与维护期间建议加盖，防止惊跳。
人工环境下：Cave or substrate spawner with prolonged parental care。Often striking; males larger and brighter。