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Originally Posted by johnfallon135
thanks andrew! why do people use red light for lunar lights? i know that octopus's can't see red but if that's the case why use a red lunar light at all then? is it so they can see without having to see the color? also how many different types of pet sized octopus's are there?
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People use red because its the least intrusive. You may see your octopus more. That being said depending on the species once they are acclimated they come out a lot. This may take a while and their lifespans are short so keep this in mind.
https://www.tonmo.com/categories/cep...d-articles.88/
There are several species available in the trade. You want to make sure you don't get one that will kill you, or is nocturnal. Or too big for your tank for that matter. You usually have to look at them in person as they typically will come in mislabeled or just labeled "octopus".