They are referring to other corals mainly. Brain corals are LPS (long polyp stony corals) and at night they will extend their feeder tentacles that can sting other corals. Place them in the sand bed and give them enough space between others and they play nice.
Brains are very easy, mainly just need decent light. Supplement feeding of phytoplankton once/twice a week when the tentacles are out
Favites and platygyra are good beginner Brains
Oh, okay! So when LA calls it a "veracious night time predator" they aren't saying it's going to hunt/kill my fish and inverts, but other corals? I left an open area in the sand in case I eventually purchased something that needed to be "isolated" from the rest of the LR.
Would an Australian Duncan coral be a good idea for a newbie? I found one for a very, VERY good price (even with shipping!) from a reputable seller (store front with 99.8% postive feedback) on Ebay
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