The siphon is hollow and open on both ends so they can position it and connect to whatever bodily function they need. #thereefdoc #octopus #marinebiology #octonation #marineaquarium #cephalopod #cool | The Reef Doc

168K views · 2.9K reactions | How does an octopus breathe? Where are its organs? And what's this about a siphon? Find out from intrepid cephalopod aquarist Candace about the general body plan of a giant Pacific octopus and what provides the cephalopower to all that inkredible octopus behavior. | Monterey Bay Aquarium | Facebook