![]() The smallest octopus, Octopus wolfi, measures a little under 1 inch in length and weighs about a gram. However, at the extremes, more variance exists in squid species. Overall, there is not much difference in terms of the size of octopus vs squid. The 8 Key Differences Between Octopus and Squid There are more than 300 species of octopuses, and they range from 1 inch to 30 feet in length. Special arms called a hectocotylus transfer sperm to the female mantle cavityĪttach eggs to rocks or seaweed or allow eggs to float freely May use light and color changes to communicate Occasionally hunt with other species, typically fish ![]() Paralyzing or toxic saliva dissolves foodĬatch food with tentacles and hold with arms Two retractile tentacles for grabbing preyĬrustaceans, worms, whelks, clams, prawns, fish Seabed, coral reefs, shorelines, and deep ocean We’ll also answer a few frequently asked questions about octopus and squid. In this article, we’ll compare octopus vs squid and discuss 8 key differences that you can use to tell them apart. Soon enough, you’ll realize that these ancient sea-dwelling creatures possess unique qualities that separate them from each other. If you’re skeptical, simply order a plate of calamari or octopus tentacles at a restaurant. ![]() However, despite these similarities, octopus and squid differ in several critical areas. After all, they both possess eight arms, high levels of intelligence, and can expel ink from their ink sacs and camouflage their bodies to avoid prey. What’s the difference between an octopus vs squid? The two cephalopods appear similar and often get confused with one another. ![]()
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