红绿灯鱼

🔬 物种简介

红绿灯鱼与霓虹灯鱼相似但红色延伸至头部，蓝色荧光条更长更亮，被誉为"最美的脂鲤"。喜欢黑水（高腐殖质软水）环境，成群游动时如彩虹穿梭。每年有数百万条从亚马逊流域野生采集出口。

🧪 生存参数

Wikipedia

The cardinal tetra is a species of freshwater fish of the family Acestrorhamphidae, the American characins, of order Characiformes. It is native to the upper Orinoco and Negro Rivers in South America. Growing to about 3 cm (1.2 in) in total length, the cardinal tetra has the striking iridescent blue line characteristic of the genus Paracheirodon laterally bisecting the fish, with the body below this line being vivid red in color, hence the name "cardinal tetra". The cardinal tetra's appearance is similar to that of the closely related neon tetra, with which it is often confused; the neon's red coloration extends only about halfway to the nose, and the neon's blue stripe is a less vibrant blue.