‘Tongue-eating’ lice invade fish’s mouth in this year’s creepiest Halloween photo

‘Tongue-eating’ lice invade fish’s mouth in this year’s creepiest Halloween photo

In any relationship, there is typically one particular husband or wife that does the significant lifting.

In the situation of a single alien-on the lookout parasitic isopod, which is the female, who has the tricky career of gobbling up a fish’s tongue and changing it with her possess physique. The male, in the meantime, takes the effortless route and merely hangs out in a fish’s gills, eating mucus all day.