So a massive nursery of octopus, not a nursery of massive octopus. P.S. I feel the plural of octopus should be neither octopi nor octopuses, but either: octop

So a massive nursery of octopus, not a nursery of massive octopus. P.S. I feel the plural of octopus should be neither octopi nor octopuses, but either: octopus - same as singular, you know, like 'sheep'; octopussies - for fun, because they're not as cute as cats.