Octopuses
this is the more correct form of the plural (the practice of changing -us to -i works for Latin based words; octopus is from the Greek); visit CephBase for more background

CephBase: Factual Information

The Cephalopod Page

Information, including pictures, from Nature

Three Great octopus videos from Nature

Photo Collection from TONMO

Video Collection from TONMO (1. Click on Ceph Care on one of the tabs across the top, then scroll down the page a little bit and click on Video Gallery)

 

Don't forget to use the Images search feature of Google. Go to Google, click on the Images tab, and enter your search term.