translation.en: So it uses its red bioluminescence like a sniper's scope to be able to sneak up on animals that are blind to red light and be able to see them without being seen.
translation.zh: 所以，这种生物性红光就像狙击手的瞄准仪 让这类鱼偷偷靠近看不到红光的生物， 在不被看见的情况下， 看见其他生物。