Prehistoric Farm Rare Catches: How to Fish and Dive for Them

Rare catches are Prehistoric Farm's sea-reward category, defined by the official game description's Explore line: "Fish the open sea and dive for rare catches." The same description tells you how to reach those waters: "Buy bigger boats and sail to new fossil islands." GameRant's guide adds the sharpest detail available — "a dive can turn up rare catches" — and notes that if your boat is small or not ready, a sea dino that replaces it puts you on the water without the usual wait.

That is everything currently verifiable. None of the sources behind this guide names an individual rare catch, so you will not find a species list, drop table or per-catch map here. What you can act on right now: get onto open water and use both sea activities, with diving as the one action a guide explicitly ties to rare catches.

How to get onto rare-catch waters

1. Bank coins through normal play. Boats are bought, not found, and early money comes slowly. In one recorded session, common shore fish sold for "Five coins, 10 coins" — which the player judged not worth selling — while the same player ground from 244 coins toward a 2,500-coin bronze rod. Digging fossils was that session's other income source. If the grind drags, the current freebies on our Prehistoric Farm codes page are worth a check.
2. Buy a bigger boat and sail to new fossil islands. That is the official progression line, and it is what opens the waters the rare-catch phrase refers to. Our boats guide and fossil islands overview cover the progression itself.
3. Fish the open sea and dive. Both actions come straight from the Explore line. If rare catches are the specific goal, diving is the action with explicit source backing — see the breakdown below.

No boat yet? GameRant's guide describes a substitute: a sea dino that replaces your boat and gets you onto the water "without the usual wait." The official description confirms the bigger-boats progression but says nothing about this dino shortcut, so treat it as one guide's tip rather than documented mechanics.

Fishing or diving? What the sources actually credit

The wording differs because the sources work at different depths, not because they contradict each other: the official description groups both sea activities into a single phrase, while GameRant, writing in its aquatic-dinosaur context right after "Bigger boats open new fossil islands," names dives alone. Nobody explains the difference, and no recorded footage shows a rare-labeled catch from either activity — the one session on camera never dives at all. So if you are targeting the category itself, dive once you reach open water; casting in the same trip costs little extra but has so far only ever produced common fish on film.

Why there is no species list yet

A collection reference is only as good as its named entries, and every catch named by any current source is one of those four common shore fish. Even the session's standout haul — two swordfish landed at once — is called "lucky" by the player, never classified as rare by the game. Which waters hold which rare catch, what they sell for, and how often they bite are simply not documented, and neither is what a rare catch looks like when it is landed. Rather than invent names, this page sticks to the verified frame above; when an update or a fuller source names actual rare catches, the list belongs right here.

While you are out there

Rare catches share the open sea with the rest of that Explore block: sneaking into the Sunken Grotto for sea reptile eggs and teaming up with other players to take down the giant Mosasaurus with spears, so a single boat trip can serve all three. For the rod-and-bait basics, start with our fishing guide; if you are heading straight for the dive, our diving guide covers that side — and the open sea overview ties the whole region together.