Because it looks like a stick!
Not normally, but if you have babies in a tank with adults they might eat them, but probably won't. Some eat their shedded skin though.
The clue is in the name, it is an insect. Also, it has 6 legs like all insects.
Stick insects are insects that are able to disguise as a stick almost perfectly, resting their legs lengthwise down the body. and the antennae straight out. Some stick insects have evolved affected...
no they are diffrent species alltogether