They are at pukapooka Beach.You have to have an angler fishing rod (at the petpetemporium) to catch it.
You have to get specific items. First, go to the food place in Market Lane, and get the Fish Bites for 50 park points. Then go to the Wailing Tunnels and fish out about 4 Glowfish (get the angler fishing rod at Petpet Emporium for 150 park points to fish) and a Crafting Stick at the petpet emporium for 50 park points. Then go to the Crafting Tree in Squippet Hollow and the crafting tree will make you a Glowing Fish Balloon.
You have to buy a fishing pole at petpet emporium for $100. Then go to pukapooka beach and stand by Cory and put your mouse in the water. When you see a fish shadow click. :)
Squippet Hollow is in the northeast part of Petpet Park you can find the Crafting Tree there.
sell them to the man in the park station by the lake.
up from where the sleeping tree is
Blizzard Mountain.
It is in Squippit Hollow
At the Cyodrake Temple Garden.
they are used in some jobs.
You can buy them in The Munchery in Market Lane.
Buy a fishing rod and click on water and you will receive a fish
at petpet emporium buy a fishingline and go to park station put your mouse in the water and keep moving it til u see a hook