Oarfish lure and rod
Use the Scientific Lure ($500) on the long Fishing Rod around the Volcano island; Oarfish bites on 13% of casts.
It has 1,000 health, so finish it with a gun.
Drip Oarfish
Drip Oarfish exists and rolls the base 10% (25% with the Wishbone); as an endangered fish it also adds a 1.25x kill-score bonus.
Expect about 77 bites per drip Oarfish, 31 with the full Wishbone.
Oarfish sell price
Oarfish sells for $1,450 raw. Cooked in lava and killed with stacked trick-shot bonuses, a single Oarfish can pass $10,000.
Other catches on the Scientific Lure
| Bite chance | Price | |
|---|---|---|
 Stonefish | Scientific Lure 21.7% | $1500 |
 Blobfish | Scientific Lure 21.7% | $1360 |
 Anglerfish | Scientific Lure 21.7% | $1500 |
 Tripod Fish | Scientific Lure 13.0% | $1400 |
 Superdwarf Fish | Scientific Lure 8.7% | $2200 |