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Dining etiquette for an Octopus | The Incredibles Showcase

By Blogs, PADI underwater naturalist, The Incredible Showcase, Underwater Naturaliast Course, Underwater Photography

How do octopus eat their prey

How do octopus eat their prey

Dining etiquette for an octopus: Dig in with all hands!

Nemo’s reef is a fantastic place to spend hours watching these animals just,be. We follow them quietly, as they go about doing their daily things around the shallows of Nemo’s. That alone is one lifetime of diving right there! People often make the mistake of getting way too close to an octopus. Sure, it is sitting there in its crevice, changing colour in response to divers and that is rather cool! But what would be even cooler and perhaps much less disruptive for the octopus, is if we were to curb the excitement and give the animal enough space to get back to its life. This can in fact be plenty times more extraordinary a sight to behold than a tense octopus hiding in a hole! Here we see a young octopus that frequents the ‘first barrel sponge rocks’ area at Nemo’s reef. All of us have met this octopus over the past few weeks and she/he is now very comfortable around divers. When we first saw it, a diver was ten inches away from it with a camera, as it hid inside a crevice, perhaps thinking to itself – Hurry up mister, I’m starving and you’re in my way. As soon as said mister left the scene, the octopus was on the move! We suppose one can identity an octopus with a ravenous appetite by how thoroughly it inspects each rock, tickling every crevice simultaneously with every arm. Note how it expands each arm, turning its entire body in to a large web-like umbrella to trap any molluscs, crustaceans or tiny fish that get flushed out during its invasion.Once prey is in hand, an octopus might crush it, pry it open, or drill a hole in it, drain in some toxins or simply slurp it up, depending on the nature of its catch. Owing to its highly efficient, powerful and thorough hunting technique, an octopus on the hunt is almost always surrounded by a mob of other fish-a mix of allies and competitors possibly. Here we see a few juvenile groupers, wrasses, goatfishes and a tiny cloud of exasperated damsels. Isn’t this simply fascinating?

Video credit: Chetana Purushotham

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