Safety gloves of sorts

[Boro25]

Got aggressive fish tank Oscar and piranha both wanna bite at anything in tank any gloves or something I can use so I can get my hand and arm if I need to reach down in tank

[Fresh2o]

You can get one of the grabbing gadgets used for picking up things that are out of reach.

[King Fisher]

I would think the big, thick rubber gloves that go up to your elbow would provide enough protection from strikes

[JackBinimbul]

Chef's gloves. They are made to withstand knives and can get wet. They fit well and don't interfere with your ability to complete dexterous tasks.