Simple item count aura for all the fish needed Pixel glow around the aura when you approach the number needed

Fish Location

Frigid Floe Fish -> Fish arround the Iskaara village in Azure Span (open waters)
Calamitous Carp -> Fish around the Obsidian Citadel in the Waking Shores (32.30, 63.0 - no jumping frogs here)
Kingfish, the Wise Whiskerfish -> Fish around the Algeth'ar Academy in Thaldrazus (56.02, 44.51)