neon tetra
noun
1- a small Amazonian characin (fish) with a shining blue-green stripe along each side and a red band near the tail, popular in aquaria霓虹灯鱼; 副蝴蝶鱼。
1.1
- Paracheirodon innesi, family Characidae.拉丁名Paracheirodon innesi,脂鲤科。