乐生活A recent study suggests that swordtails, with their mysterious and silly germination, may belong to the same class of arachnids as spiders and scorpions at your doorstep. Let’s get to know them again before you think of them as big spiders (or, of course, not big spiders). Carcinoscorpius rotundicauda is the most recognizable of the four existing species of Sagittaria. The name does not mean that the tail is circular, but refers to the cross section (the cross section of other limbs is triangular), so they actually have a stick tail. Another striking feature is that it… Poisonous. Tetrodotoxin can accumulate in the body of Tachypleus elliottii, which is dangerous to eat by mistake. However, due to the preparation of Tachypleus elliottii and its medicinal reasons, overfishing still exists.
Source: Wikipedia, horseshoecrab
