In Dazed Games’ Steam game How to Fish, give the scientist on Volcano Island five fish of any kind to get whale bait.
How to Fish is the physics-based fishing (and shooting) game from Dazed Games on Steam, and whale bait is the item that opens its late-game boss run. It isn’t bought or fished up directly — it’s a reward from a single NPC once you reach the last island. Get to Volcano Island, find the scientist in the hazmat suit, and trade him five fish, and the bait is yours.
Where whale bait comes from
| Need | Details |
|---|---|
| Location | Volcano Island (Island 5) |
| NPC | The scientist in the hazmat suit |
| Required fish | Five, any kind |
| Fastest way to gather | Throw dynamite in the water and collect what floats |
| What it does | Starts the whale boss fight |
Key There’s no special species and no fishing minigame tied to it — the scientist takes any five fish you’re carrying and hands over the bait in return. The only real work is reaching the fifth island and gathering the fish, which you can do in a couple of minutes with the right approach.
Trading five fish to the scientist
Reach Volcano Island
Sail to Island 5, the final island in the progression, where the scientist is waiting near the military camp.
Collect five fish
Any species counts — throw dynamite in the water and grab what floats up for the quickest haul.
Bring the fish to the scientist
Find the hazmat-suited scientist and hand over the five fish.
Receive the whale bait
He gives you the whale bait, which you’ll use to fish up the whale.
Throw a stick of dynamite into the water and scoop up the fish it kills — five come up fast, and it’s cheaper than fishing them one at a time.
Stock healing before you use it
Whale bait leads straight into the game’s boss climb, so don’t cash it in the moment you get it — set yourself up first. The most important thing to bring is healing, which in this game means cooked fish you eat mid-fight to recover.
The boss chain the bait kicks off
Using the bait fishes up the whale, and the fight starts immediately. It charges at you and launches into the sky to slam down on your position, so when it goes airborne, move — then keep shooting and eat fish to heal whenever you take a hit.
Once the whale is dead, you throw it into the volcano, which spawns the true final boss: the lava whale. That’s the hardest fight in the game — it rolls, stomps, and fires lava meteorites across the arena while lava pools spread underfoot, and it turns far more aggressive in its second phase. Beat it and it drops a tail. Carry that tail back to the scientist and he hands you the RHIB keys; start the RHIB to trigger the ending.
Related How to Fish guides
Frequently Asked Questions
How do you get the whale bait in How to Fish?
Give the scientist 5 fish on Island 5 – Volcano, and he gives you the whale bait.
What fish do you need for the whale bait?
Any fish work for the scientist’s whale bait request.
What is the fastest way to collect fish for the whale bait?
Throw Dynamite in the water and collect the fish that float up.
What do you do after getting the whale bait?
Use the whale bait to fish up the whale, then kill it.
What happens after you kill the whale?
Throw the whale into the volcano to spawn the final boss, the lava whale.
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