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Pretty much what I figured out but I'd like a more detailed answer.1. is a Mantis shrimp, no idea which species though
2. is an eel
Thanks! I'll be careful the next time.The shrimp-thing appears to be a lysiosquillid. There are a 2-3-ish species found in coastal Florida waters. Squilla empusa is the most common species and the most likely candidate, but the specimen in the picture seems like a much larger-sized animal (like Lysiosquilla scabricauda). If you felt sort of scared getting this close to take a picture I would go with the latter, ha ha. Any of the lysiosquillids can spear through a finger clean into the bone, but the big one would actually scare the crap out of me to get too close to. Ha ha.
I know the Sharptail Eels. They do not dig into the sand but crowl around the reefs. If you meant Spotted Snake Eel, Ophichthus ophis, it should have "dark spots on head and body" as distinctive feature. Though colors can vary, of course.The eel is a Snake Eel, Ophichthidae, it might be a dark Golden Spotted. Sometimes they're called Sharp Tailed Eels, you may want to search that also.
That's an entirely different animal.Sometimes they're called Sharp Tailed Eels