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Fisch · Fish

Rock

“It's not a boulder.. It's a rock! Found in rocky bodies of water.”— in-game Bestiary description
TrashC$36
Rock in Fisch

Fish stats

Avg. sell value

C$36

C$ / kg

0.75

Weight range

15 kg – 45.4 kg

avg 34 kg

Base XP

10

By average value, Rock ranks #5 of 19 Trash fish with a listed price.

Where and when to catch Rock

Location
—
Preferred bait
Magnet
Time of day
—
Weather
—
Season
—

Rock guide

By maximum weight, the Rock is the heaviest Trash item in the Bestiary: it tops out at 45.4 kg, first among 24 Trash entries, ahead of Basalt (44) and Stalactite (26). You need Magnet bait to pull one up, and the wiki lists it for any water. The range starts at 15 kg and ends at 45.4 kg, averaging 34 kg, and at 0.75 per kg the average catch is worth 35.5, fifth of 19 Trash entries by average value, between Rusty Bolt (39) and Destroyed Fossil (35). Base XP is only 10.

Two details come from the wiki. Dave Rod's passive guarantees this catch, and a version 60x bigger called the Boulder exists, with a 0.0001% chance (1 in 1,000,000) of appearing at Keeper's Altar.

The catch quips are all deflated, from “Ermm..?” to “Oh. A Rock.”, and the in-game text reads “It's not a boulder.. It's a rock!”

Average value × mutation multiplier

Rock value with mutations

MutationMultiplierEstimated value
Albino×1.2C$43
Aether×15C$533
Ascended×12C$426
Darkheart×11.8C$419
Hades' Curse×11.1C$394
Golden Part×11C$391
Hadal×11C$391

Estimate = the wiki's average value × the mutation's listed multiplier. The real price also depends on the weight you land. All Fisch mutations and multipliers

Same rarity and value range

Fish similar to Rock

Data sourced from the Fisch Wiki (CC BY-SA) and processed automatically; not tested in the game; last synced 2026-10-21.