Doloc town upgraded fishing rod progress is documented through several rod levels, not one unspecified upgrade. The collected Fishing Guide says Lightman's fishing tutorial gives the Old Fishing Rod, while the Basic Fishing Rod, Bamboo Fishing Rod, Fiberglass Fishing Rod, and Carbon Fiber Fishing Rod have named shop sources. A lower-level rod cannot hook fish above its level, while catch speed and starting progress affect the fishing minigame rather than species selection. This is the useful answer for a player deciding whether to change rods.
Get the first usable rod through the tutorial
One material says a fisherman's mail leads to a free first fishing rod at the Fishing Port. Another, more detailed fishing reference says Lightman's tutorial gives the Old Fishing Rod and that it can also be bought from the Fisherman's Shop. The sources differ in naming and tutorial presentation, so do not merge them into an invented exact quest sequence. The safe action is to check mail and complete the available fishing tutorial or visit the Fisherman's Shop.
The detailed reference lists the Old Fishing Rod as Level 1. It places the Basic Fishing Rod at Level 0 and says it is sold by the Fisherman's Shop. This distinction matters because several fish tables use a minimum rod requirement. If a fish is not appearing, check the rod level, location, month, weather, time, and unlock condition before assuming the catch rate is broken.
Choose the rod for requirements first
The Fishing Guide identifies Bamboo as Level 2, Fiberglass as Level 3, and Carbon Fiber as Level 4. It says Bamboo can hook every fish currently in the game, making it the important collection breakpoint. Fiberglass and Carbon Fiber are described as quality-of-life upgrades, with Carbon Fiber also giving a bonus-score multiplier. This supports buying a higher rod for easier or faster catches, but it does not prove that every player must rush the most expensive rod.
The same material gives shop sources and prices for several rods: Basic from the Fisherman's Shop, Bamboo from that shop, and Fiberglass and Carbon Fiber from Kon-Tiki Trading Station. It lists 350, 1,000, 3,000, and 6,000 respectively for those four rods. Check the live game before spending because shop stock and balance can change. Any rod beyond the listed set is 待确认.
Let the fishing pool decide the catch
The source explains that a cast first checks for trash, then excludes catches that do not match the rod, unlock, local month, weather, or time. It then rolls a catch tier from the pool weights and picks from eligible catches in that tier. This makes fishing a condition-matching activity, not a simple “better rod equals any fish” system. A better rod does not bypass a missing region, season, or terraforming unlock.
Examples in the material include Carp with a Basic Fishing Rod, Catfish with an Old Fishing Rod at night, and Cod with a Bamboo Fishing Rod in listed dock or wetland conditions. It also says no fish currently requires bait. The complete fish table is broader than this page, so treat an individual catch route not named here as 待确认 rather than extrapolating from a similar fish.
Use locations and weather carefully
The short fishing source highlights Kelp at the Fishing Port and Cod during rainy weather, but the detailed guide places Kelp at Doloc Dock central or bridge pools during Rain or Thunderstorm and requires at least the Old Fishing Rod. It also lists Cod at named dock pools and the Wetland coast with a Bamboo Fishing Rod. Because these collected sources do not agree on every location and condition, rely on the detailed guide's table when the two conflict and verify in the active game.
The same principle applies to early-profit advice. One source gives values for Kelp, Cod, and Four-eyed Fish and promotes cargo-drone sales, while the detailed table gives its own conditions and prices. These are useful leads, not a universal money route. Merchant price behavior, forecast mechanics, and current selling values are 待确认 unless confirmed in your version.
A safe upgrade order
Secure a tutorial or shop rod, then use the fish table to learn which rod gate blocks the fish you want. The source suggests prioritizing core tools and inventory before treating fishing upgrades as an early mandatory expense. Once the Bamboo Fishing Rod is available, it is the documented collection breakpoint because it can hook every listed fish. Upgrade beyond it when faster catches or better minigame starting progress fits your goals.
This page intentionally does not invent a rare-fish route, a rod crafting recipe, or a free upgraded rod. Check the fishing tutorial, the Fisherman's Shop, Kon-Tiki Trading Station, and the current fish table for current requirements. If a guide omits the exact rod level or condition, the correct note is 待确认.