beaconfish
/ˈbiːkənfɪʃ/noun
(复同单, 或-fishes)
1- a popular aquarium characin from tropical South America, with a red and gold spot near the base of the tail fin and another near the eye头尾灯鱼。
1.1
- Hemigrammus ocellifer, family Characidae.拉丁名 Hemigrammus ocellifer,脂鲤科。