It's not your fault lol don't listen to them. Reef tanks don't have lids as a rule. Salt water is a better insulator than fresh and with a salt tank running through twice the amount of pumps, it overheats easily. Not having a lid IS your safeguard. Unless its an eel or octopus tank (which it's not or you wouldn't have clownfish). Sometimes fish commit suicide. If your params are spot on, you can chalk it up to bad luck. To be honest, I've never seen a clownfish jump for any reason other than running from a predator. What's your other stock and tank size?
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There's your problem man. Check all your levels with a reef master kit. Most likely the torch coral is stressed and released stinging cells in the water. Torches are listed as an aggressive coral and can sting tankmates under stress.
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The clownfish are only sting proof if they produce a healthy slime coat. The anemone could eat the clownfish if it ever chooses to do so. The corals stinging cells are different. They're meant to kill other corals that are too close, but in a stressed environment the cells will be released into the water column.
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That won't stop other fish from jumping out. It's just common sense.
Maybe it's "traditional" not to have a hood - which means it's "traditional" for fish to jump out. Your choice. Fish jump out of covered tanks, even, so you should at the very least put in a little effort in keeping your beloved pets safe. That's all of our responsibility. Even a "lip" on the inside of the top would help, if not a full cover, along the edge. But, if you don't, you should expect your fish to jump out - all it takes is spooking them - could be a flickering light, a sudden movement, a door closing. Please do the responsible thing. It's the same as having a dog in an unenclosed yard, and having him get hit by a car.
Why risk it.
