Polar Alligator

Frost-covered scales and crystal-like teeth give the Polar Alligator its look, and the Frigid Cavern is the only zone where it shows up. It is a Legendary fish that needs Fish Head as bait, and it only bites at Night during Winter, so you have to line up the clock and the season before the cavern is worth a trip.

Once hooked, it is a heavy catch: weights run from 80 kg to 315 kg, averaging 115 kg. At C$12.66 per kg, an average fish sells for roughly C$1,456 and gives 1,520 base XP. That puts it 288th of the 742 documented fish by average value, which is solid mid-table money for a Legendary but nowhere near the top. For maximum weight it sits 220th of 663 fish with a recorded maximum.

My advice: do not plan a whole session around it for cash alone. Plenty of fish pay better per cast. Go after it when you are already in Frigid Cavern during a Winter night, bring Fish Head, and treat the 1,520 XP and the Legendary catch as the real reward. Sell the lighter ones, since value scales with kilograms.