Deep Fishing Big Mouth in Fernshore: Location, Rewards, and Feeding Timer

QUICK ANSWER
Feeding Big Mouth until full grants +10% permanent Luck, then it falls asleep and starts a countdown until it becomes hungry again.

Big Mouth is a fish-feeding creature in Fernshore. Its meter starts at Feed: 0/9.5 KG, giving you a 9.5 KG target to fill.

Big Mouth's feeding meter starts at 0/9.5 KG — Big Mouth’s feeding meter starts at 0/9.5 KG · Screenshot by NerdsChalk

The payoff is permanent Luck, and your Fish inventory displays the weights of your available catches. This guide covers how to feed Big Mouth, recognize the reward, and see when it’s ready for another meal.

Fish weights appear in your inventory · Screenshot by NerdsChalk

locationEnd of Fernshore’s wooden pierbringFish to feedfeed controlE while holding a fish

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How to feed Big Mouth in Fernshore in Deep Fishing
When can you feed Big Mouth again?

How to feed Big Mouth in Fernshore in Deep Fishing

STEP 1

Find Big Mouth

Walk to the far end of Fernshore’s wooden pier and approach the large green, wheel-like creature.

Approach the green, wheel-like Big Mouth at the end of the pier · Screenshot by NerdsChalk

STEP 2

Hold a fish

Select a fish from your hotbar so your character holds it ready to feed. With a 3.41 Kg Carp in hotbar slot 6, select that slot to hold it.

STEP 3

Use the Feed prompt

Press E at the Feed prompt to give Big Mouth the held fish. Watch the feeding progress update as it digests: each fish adds its weight toward the target. Feeding that Carp from an empty meter brings progress to 3.41/9.5 KG.

Use the Feed interaction to give Big Mouth your held fish · Screenshot by NerdsChalk

STEP 4

Equip more fish

Open your Fish inventory and equip another catch, then select it from the hotbar to hold it. A 10.14 Kg Bass supplies enough weight to finish after that Carp.

Equip another fish from the Fish inventory · Screenshot by NerdsChalk

STEP 5

Feed until full

Continue feeding until the Full! +10% PERMANENT LUCK message appears. The Luck: 10% display is your completion cue.

The Full message marks the permanent Luck reward · Screenshot by NerdsChalk

When can you feed Big Mouth again?

After becoming full, Big Mouth falls asleep and displays a Hungry Again countdown. The timer reads 11h 59m 53s.

Don’t miss this4 fishYou can only equip four fish at a timeThe inventory displays Equipped Fish (4/4), and the selected Gold Starfish offers Click to Unequip.

Big Mouth's hunger countdown follows the completed feeding — Big Mouth’s hunger countdown follows the completed feeding · Screenshot by NerdsChalk

The available interaction changes to E Skip Timer while Big Mouth is full. Wait for it to become hungry again for your next feeding opportunity.

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