Spearfishing — the underwater pursuit of fish using a speargun or pole spear — has emerged as one of the most discussed unconfirmed activities for Grand Theft Auto VI (GTA VI). Rooted in speculation rather than first-party confirmation, the topic sits at the intersection of three credible signals: a leaked "Speargun" weapon entry tied to underwater combat, the Leonida setting's explicit emphasis on the Florida Keys and Gulf coast, and Rockstar's well-established pattern (carried over from Red Dead Redemption 2 and GTA V) of layering "lifestyle" minigames such as fishing, hunting, and diving into its open worlds (PCQuest, 2025; WikiGTA6, 2025; Left Down Right Up, 2026). This report consolidates what is plausible, what is unverified, and what would have to be true in the engine for spearfishing to function as a coherent gameplay system.
The strongest single data point is the appearance of a "Speargun" entry in scraped/leaked weapon manifests circulating since late 2024, described by community wikis as a long-range underwater weapon intended for "marine combat and hunting" (WikiGTA6, 2025; gtasixwiki, 2024). PCQuest (2025) frames the same leak more broadly, reporting that fans interpret the speargun as evidence Rockstar is building "deep-sea hunting" or "illegal hunting" gameplay around protected marine species — a thematic fit for a Florida-coded map where wildlife trafficking is a real-world crime archetype. None of this has been confirmed by Rockstar, and the original 2022 source code leak did not contain a labelled "spearfishing" minigame; the activity is therefore inferred from the tool (speargun) plus the biome (Leonida Keys, reefs, shipwrecks) rather than a directly leaked mechanic.
A second strand of speculation comes from environmental tells in the official Trailer 2 and surrounding analyses. Breakdowns of the trailer highlight the Leonida Keys, visible reefs, dinghies, Coast Guard presence, and abundant marine fauna including sharks, rays, and reef fish (TechyHeaven, 2025; GTABoom, 2026). Community wildlife catalogues list dozens of confirmed or strongly hinted aquatic species — grouper, snapper, barracuda, lobster, sea turtles and several shark species — which together form a plausible "catch list" for either rod-and-reel fishing or spearfishing (GTABase, 2026; Left Down Right Up, 2026). Left Down Right Up (2026) specifically argues that "the waters around Leonida hide more than sharks," describing a layered underwater world combining fishing mechanics, free-dive exploration, and ocean-floor secrets — the exact substrate a spearfishing loop would require.
The third strand is design precedent. Rockstar has shipped progressively deeper aquatic systems across its catalogue: scuba and submarine sequences in GTA V, the legendary-fish and rod-fishing economy in RDR2, and a long-standing community demand — visible in r/GTA6 threads — for fishing to be a fully realised side activity with weight, struggle, and species rarity tiers (Reddit r/GTA6, 2024). Aggregated leak trackers further mention expanded underwater zones, a relationship system, and survival-adjacent activities in GTA VI's design scope (TheGamePost, 2025; BitsFromBytes, 2026). A spearfishing loop — equip speargun, free-dive or scuba, stalk species, manage breath/oxygen, surface, sell or cook the catch — would slot cleanly between RDR2-style fishing and GTA V-style underwater traversal, which is why the speculation has gained traction even without direct gameplay footage.
Synthesising the sources, a credible (still speculative) implementation would feature: (1) a dedicated speargun weapon slot usable only underwater, with reloadable spears and possibly a tethered line; (2) a breath-hold meter for free-diving plus optional scuba tanks for deeper reefs and wrecks; (3) species-tagged fish with rarity, size, and legality flags — opening a poaching/black-market economy parallel to RDR2's legendary fish (PCQuest, 2025; GTA6Info, 2026); (4) environmental hazards including sharks, barracuda, currents, and Coast Guard patrols enforcing protected-species law, generating wanted-level interactions consistent with leaked six-star reports (TheGamePost, 2025); and (5) integration with cooking, vendor, or photography systems, mirroring the trophy/specimen loops Rockstar already ships.
It must be stressed that spearfishing as a named, distinct gameplay pillar in GTA VI is not officially confirmed as of the most recent verified leak audits (BitsFromBytes, 2026). The speargun's appearance in datamined lists is credible but could equally serve scripted missions, hostile NPC encounters, or generic underwater combat without a full fishing loop attached. AI-generated "spearfishing gameplay" videos on YouTube should be treated as fabrications unless tied to verified source-code references.
BitsFromBytes (2026) GTA 6 Leaks: Confirmed, Credible, and Fake — Full Verified List. Available at: https://bitsfrombytes.com/gta-6-leaks-verified-updates/ (Accessed: 14 May 2026).
GTABase (2026) GTA 6 Animals List: All Animals, Birds & Fish Confirmed. Available at: https://www.gtabase.com/gta-6/animals/ (Accessed: 14 May 2026).
GTABoom (2026) 25 Details You Might Have Missed in the New GTA 6 Trailer. Available at: https://www.gtaboom.com/25-details-you-might-have-missed-in-the-new-gta-6-trailer-6aaa (Accessed: 14 May 2026).
GTA6Info (2026) GTA 6 Wildlife — All 27+ Animals & Hunting. Available at: https://gta6info.com/pages/animals.html (Accessed: 14 May 2026).
gtasixwiki (2024) Speargun — GTA 6 Weapon. Available at: https://www.gtasixwiki.com/speargun-gta-6-weapon/ (Accessed: 14 May 2026).
Left Down Right Up (2026) Beneath the Surface: Fishing, Diving, and Ocean Exploration in GTA 6. Available at: https://www.leftdownrightup.co.uk/news/gta-6-fishing-diving-ocean-exploration (Accessed: 14 May 2026).
PCQuest (2025) GTA 6 Leaks Show Weapons that Support Deep-Sea Hunting Gameplay. Available at: https://www.pcquest.com/gaming/gta-6-leaks-show-weapons-that-support-deep-sea-hunting-gameplay-8743987 (Accessed: 14 May 2026).
Reddit r/GTA6 (2024) How far do you think they could go with fishing? Available at: https://www.reddit.com/r/GTA6/comments/1brt1eu/how_far_do_you_think_they_could_go_with_fishing/ (Accessed: 14 May 2026).
TechyHeaven (2025) Epic GTA 6 Trailer 2 Breakdown. Available at: https://techyheaven.com/gta-6-trailer-2-breakdown/ (Accessed: 14 May 2026).
TheGamePost (2025) New GTA 6 Leak Reveals 6-Star Wanted Level, Underwater Areas, Relationship System, Protagonist Robberies. Available at: https://thegamepost.com/new-gta-6-leak-6-star-wanted-level-underwater-areas-relationship-system-protagonist-robberies/ (Accessed: 14 May 2026).
WikiGTA6 (2025) GTA 6 Speargun Guide: Underwater Weapon and Marine Combat. Available at: https://www.wikigta6.com/speargun-gta-6-weapon/ (Accessed: 14 May 2026).