Net a Fish ranks every species by rarity, and the Index tracks your catches page by page. That means “catching them all” depends on two things. You need gear that can physically hold a given tier, and you need enough luck to survive odds that run past 1 in 500 million. Below is each named fish with its odds and income, the Index pages and what completing them pays, and the upgrades and boosts that unlock the rarest tiers.
Quick answer: Cast from your dock, reel in, and claim each finished rarity page in the Index for +2% money and +1% mutation. Monarch fish need the Eternal Net. Cosmic hauls need the Starfarer boat.
Net a Fish fish list with rarity, odds and income
Each catch shows a floating label with its name, rarity, odds, and how much it earns per second once it is showcased. The table lists the named species with confirmed values, sorted from most common to rarest. A “Gold” or “Shiny” prefix means the fish rolled a mutation. Gold applies a x1.25 multiplier and Shiny applies x1.15.
| Fish | Rarity | Odds | Earns |
|---|---|---|---|
| Bigmouth Bass | Common | — | — |
| Sawtooth Sawfish | Apex | 1 in 200,000 | $33,631/s |
| Shiny Megalodon | Demigod | 1 in 750,000 | $903,831/s |
| Gold Titan Filterfin | Demigod | 1 in 5M | $2.74M/s |
| Corsair Manta | Demigod | — | — |
| Mosasaurus Rex | Historic | 1 in 10M | $70.73M/s |
| Gold Worldreef Crab | Historic | 1 in 20M | $90.13M/s |
| Leviathan | Historic | 1 in 50M | $189.47M/s |
| Gold Leviathan | Historic | 1 in 50M | $75.01M/s |
| Voltspire Eel | Monarch | 1 in 50M | $1.29B/s |
| Jaguar Tigershark | Monarch | 1 in 60M | $1.53B/s |
| Trihydra | Monarch | 1 in 500M | $5.04B/s |
| Blightspine Dragonfish | Forbidden | Pet | Money x2.75 |
Income is set for each individual catch, not for the species as a whole. A Gold Leviathan can come in well below a plain Leviathan even with its mutation bonus. Treat the earnings column as an example of the range a tier can produce, not a fixed price. The jump between tiers is enormous. A single Monarch catch earns more per second than an entire row of Historic fish.
The river also turns up plenty of species that sit in the lower and middle tiers. The Fishing panel names whichever fish is the best catch in your current net, so you can see what is coming in before you reel. Watch for these names in particular.
- Brook Trout, River Minnow, Rainbow Trout and Yellow Perch, which show up as contract and daily challenge targets
- Stormshell Archelon
- Nebula Koi
- Colossal Squid
- Great White Shark
- Worldreef Crab, which also appears in its Gold form
Index pages and completion rewards
The Index splits fish into one page per rarity. Each page lists a fixed number of species, and a page counts as complete once every entry on it is registered. Lower pages are short, while the upper tiers each hold eight species.
| Index page | Species on page |
|---|---|
| Common | 5 |
| Uncommon | 5 |
| Apex | 8 |
| Demigod | 8 |
| Forbidden | 8 |
| Cosmic | 8 |
Finishing a page unlocks a claimable reward of +2% money and +1% mutation chance. That bonus is permanent and stacks, and the Index header keeps a running total. Seven completed pages add up to +14% money. Historic and Monarch fish have their own pages too, so the set of pages is larger than the six listed above.
The reward is not paid out on its own. Open the Index, go to the finished page, and press its claim button. Any page sitting at full count without a claim is bonus money you are leaving behind.
How to catch fish and register them in the Index
All fishing starts at your own dock in Net a Fish on Roblox. The loop is the same at every stage of the game. What changes is how much your net holds and which tiers it can reach.
Gear needed for each rarity tier
Luck alone won’t fill the top pages. Every net, boat, and pet has a ceiling on the rarest fish it can hold. A fish above that ceiling won’t come aboard no matter how lucky the roll. Buy the gear for a tier before you start hunting it.
| Gear | Rarity cap | Cost | Other stats |
|---|---|---|---|
| Eternal Net (Tier 19) | Up to Monarch | $600B | 270 capacity, 39.8 ft wide |
| Starfarer boat | Up to Cosmic | $3.2Qa | Upgrades to level 12 |
| Blightspine Dragonfish pet | Up to Forbidden | Pet | 16 fish every 30s, 5.0% Forbidden chance a trip |
The Eternal Net is the step that opens up Monarch fish. It replaces the Primordial Net, raising capacity from 250 to 270 and widening the throw to 39.8 feet. You buy it from the Upgrades menu. Without it, the Voltspire Eel, Jaguar Tigershark, and Trihydra are out of reach.
The Starfarer is a boat hull upgrade bought at the Boat Dock. Boat hauls collect fish on their own, and the Starfarer lets them hold catches up to Cosmic. The Cosmic page is the one to aim this at. The Boat Dock also sells the Lucky Figurehead for $16T.
Blightspine Dragonfish is a Forbidden-tier pet that also brings in Forbidden fish. You manage it in the Pet Pool. At Level 1 it gives Money x2.75 and catches 16 fish every 30 seconds, with a 5.0% Forbidden chance on each trip. Leveling it to Level 2 requires two spare duplicate copies.
Two dock helpers keep pulling fish while you cast, and both are upgraded with cash. The Spear Gun has its own upgrade track, including Multi-Spear, which costs $38,000 at Level 5. The Fisherman has upgrades such as Quick Hands, which costs $51,000 at Level 6.
Boosting your odds for rare fish
At 1 in 50 million and beyond, every multiplier you stack shortens the wait. Luck boosts are timed, so line them up before a long fishing stretch or a river event, not after one.
| Boost | Effect | How to get it |
|---|---|---|
| Extreme Wave | Rare fish x10, Mutations x10, Fish x3 | River event |
| Bait Memory Gold Medal | x2 Luck for 5 min | Minigame, chain 8 |
| Daily challenge | x2 Luck for 15 min | Quest Board |
| Abyss Shrimp | +60% net capacity, +15% size | Bait Shop, 10 for $220T |
| Mutation Luck Tier III | Raises mutation odds | Potion Shop, $20,000 |
| Uncommon trait | x1.1 Money & Fish Caught | Trait Roll |
Tsunami Warning and Extreme Wave events
A TSUNAMI WARNING banner starts a Wave Rush, which sends four waves of rare fish down the river. During those waves, large creatures show up far more often. If an EXTREME WAVE hits, rare fish and mutations both jump tenfold and the number of fish triples. Cast into the waves continuously while they last. This is the most efficient window for Historic and Monarch species, and it is when Leviathans tend to land.
Pirate Raids also run on the river. When one ends, a results screen tallies the ships you sank and the chests you earned. One raid, for example, sank 9 of 11 ships for 5 chests, paying out Scrap, Doubloons, and Temper Stones. Those materials go to the Blacksmith rather than toward fish.
Bait Memory minigame
Bait Memory shows a sequence of baits (Worm, Shrimp, Cricket, and Minnow) that you then repeat back. On Medium, reaching a chain of 8 earns a Gold Medal. That medal pays +35 pearls, a large cash sum, x2 Luck for five minutes, and one Ocean Crate. Your net keeps fishing while you play, so the minigame costs no fishing time.
Bait, potions and contracts
Abyss Shrimp from the Bait Shop increases net capacity by 60% and fish size by 15%. More room per cast means more rolls at a rare fish. The Hub’s Potion Shop sells Cash Boost, Fish Caught, and Mutation Luck potions at Tier III for $20,000 each. Size Luck costs $1,000 at Tier I and $4,000 at Tier II.
Contracts on the Quest Board name specific fish, which makes them a useful checklist for the lower Index pages. One contract asks for five catches from Brook Trout, River Minnow, and Rainbow Trout, paying $10.74T and 5 Pearls. Another asks for 15 fish caught during a river event or Wave Rush, paying $42.94T and 12 Pearls. The daily challenge, such as Yellow Perch at Tier 3, rewards 15 minutes of x2 Luck plus a Challenge Star.
The Hub also holds the Trading stall, where you can send another player a trade request. It is the one route to a species you can’t seem to catch yourself. The Pearl Shop and Grimbolt the Smith’s forge are nearby. Grimbolt crafts gear from Scrap and Doubloons.
Monarch catches and the cutscene that confirms them
Monarch fish are hard to miss. Landing one triggers a cinematic camera sequence and a server-wide announcement reading “THE RIVER BOWS TO ITS MONARCH,” followed by the fish’s name. The banner itself confirms the catch. The SPECIES NEW! tag on its label confirms the Index entry. Three Monarch fish are confirmed: the Voltspire Eel, the Jaguar Tigershark, and the Trihydra. At 1 in 500 million, the Trihydra is the longest odds on the river.
Showcasing catches in the Fish Cooler
Registered fish stay in your Index, but income comes from the showcase. Walk up to the Fish Cooler on your dock and press E to open it. From there, equip your best setup so your highest earners sit on the showcase pedestals. Then walk the rows of showcases and step into the glowing rings to collect what they have earned.
Each time a new top-tier fish lands, swap it into the showcase right away. One Monarch catch can outearn everything else on display. That income then pays for the next net, boat, or bait purchase on the way to the Cosmic page.
