They flick around the tank fast and move fast.
Fairly slowly
As fast as it can move, different people can move the arms slowly or fast.
They move slowly because of their weight.
Yes, they do; you can feel it for yourself by sitting still and breathing slowly.
No, they move very slowly.
Well goldfish move their fins of course.
Fast!
Like most animals, a stingray can move either way. It will move slowly when it is feeding or just swimming around, and it will move fast if it is in danger.
Slowly. Their tinly little fins will flap like crazy, but the seahorse will move slowly through the water.
The nile crocodile moves slowly on land,but it's fast in water.
Take your goldfish. They will travel.