Do octopus poop out their mouths? Well, one must understand that an octopus does not defecate from their mouth, all it does is expells the waste material through its funnel or siphon that is present on the side of its mantle. Most of the people do not know this and think it is weird but it is probably not.
How do squid excrete waste? As water flows through the mantle cavity, it passes over the gills and the squid absorbs oxygen to breathe. Beneath the head is a tube called the funnel. Wastes are excreted through the funnel, as is the squid’s defensive ink.
How do squids digest? Squid digest their food using a small stomach and a larger caecum. The stomach holds the food and uses digestive enzymes to break it down. Once the food passes into the caecum, it absorbs the nutrients for use in the rest of the animal’s body.
Do squids poop out ink? They produce the ink in a special bit of anatomy called the ink sac, which includes the appropriately named ink gland. In moments of need, the squid or octopus injects this ink from the sac to the rectum where it is mixed with mucus, at which point it can be pumped out the anus with a surprising amount of control.