Arapaima fish school water home cave decoration bug

When you go into your water home cave on an aquatic dinosaur, like a Tylosaurus for example, and buy the orange arapaima fish school home cave decoration and place it down, the fish school does not show up and the animated fish aren't floating around and swimming for that specific water home cave decoration. But if you buy the tuna fish school water home cave decoration and place it down in your home cave, the fish school immediately show up and start swimming in circles where you placed it.

I purchased the arapaima fish school water home cave decoration to place down in my water home cave. I placed it in my desired location, gave it about 30 seconds to a minute, but no fish spawned from the decoration where I placed it. I purchased the tuna fish school water home cave decoration to see if the arapaima fish school decoration could potentially be bugged. I went and placed the tuna fish school decoration in about the same spot as I placed the arapaima fish school, and the tuna fish school immediately popped out of the decoration and the animated fish were swimming around exactly where I placed it. Leading me to believe that the arapaima fish school animation for the water home caves decorations is bugged and not working properly.

I should be able to purchase the arapaima fish school water home cave decoration for any fully aquatic dinosaur, such as the Tylosaurus, place it in my desired location in my water home cave and the animated fish should immediately pop out of the decoration and start swimming in the area.