seattle, washington, usa - jan 25th, 2017: common octopus in a large sea water aquarium behind a glass wall with a woman

animal animals aquarium background barcelona black blue cephalopoda cephalopods colorful common coral fish florida food life live malta marine mollusc move natural nature ocean oceanarium octopus ordinary pacific red reef rocks saltwater scuba sea sealife shellfish single spain sprutovye squid suckers swim tentacle tentacles tropical two underwater vulgaris water wildlife