help valentini

Hi, I purchased a valentini puffer about 2 months ago. He's only about 2.5". He was eating really well. He was actually trying to steal shrimp out of my baby dwarf fuzzy lion fish's mouth. There's also a bunch of hermits, 2 star fish and a huge arrow crab. He's in a 45 gallon with 3 XL blue...

Hello! I am fairly new to the saltwater side of the hobby, and I have a 10 gallon coral tank with some montis and softies that I like a lot (no fish rn, might add a tailspot blenny or something similar). Either way, I'm liking the marine side of things a lot, and I was considering getting a 40...

My valentini puffer was hanging around the back corner and two big brown globs came out his belly. one was a little smaller but they had 2 black dots on them but I can’t find where it went to take photos. what was that??? Should I be worried? I only have one puffer in the tank.