Bimacs have been hard to come by so I'm going to be using some Caribbean or Atlantic species for my research on observational learning in octopus. Since some of the work is going to involve jar opening, I'd rather get some guys that are large enough to manipulate the jar (10 oz bell jar), so dwarfs won't do. I am considering vulgaris or briareus, and would like to know which of the two would be better for working with in a 73 degree F lab, daytime experiments, feeding frozen shrimp and fiddler crabs (the reward food). Other types of foods are fine, as long as I can get them here in Louisville, KY. I would appreciate anyone's thoughts or advice. I have successfully worked with bimacs, vulgaris (in the past), and mercatoris but have only received DOAs of the briareus and vulgaris lately, so I'm looking to fine tune my process.