If your fishes gills are working rapidly it usually means it is panting for oxygen. My advice is. Do a water change ASAP.
Gills
This is not a Betta question so it belongs elsewhere.
Well all fish have gills, fins, are coldblooded, and have a backbone.
do rabbit have gills
Some of the adapataions that allow fishs to live in the water are gills, fins, and a streamlined body shape. The gills allow the fish to live in the water. The gills allow the fish to extract oxygen from the water. Its stream lined shape allow the fish to swim quickly through the water without having major problems. The speed of the fish helps it to out run its predator. The fins allow the fish to swim through the water and help it stear itself. Fishs also have many other adaptaions such as specilized eyes that can see in the depths of the ocean with very little or no light. it also has scales which dont allow water to go in its body
Fish
Some of the adapataions that allow fishs to live in the water are gills, fins, and a streamlined body shape. The gills allow the fish to live in the water. The gills allow the fish to extract oxygen from the water. Its stream lined shape allow the fish to swim quickly through the water without having major problems. The speed of the fish helps it to out run its predator. The fins allow the fish to swim through the water and help it stear itself. Fishs also have many other adaptaions such as specilized eyes that can see in the depths of the ocean with very little or no light. it also has scales which dont allow water to go in its body
Scales, gills, fins, tail, streamlined, cold blooded
fins, gills
The have fins and gills.
Gills and fins.
a fish