Fact check: Sources claim Iran may use explosive-armed dolphins to attack U.S. ships in the Strait of Hormuz.
Verdict: verified — Trust Score 92/100
This content is confirmed by 8 sources including PBS, CBS News, and The Guardian. While the post uses AI-generated imagery for illustration and slightly misidentifies a speaker in one slide, the underlying claims about the Iranian dolphin reports, Pete Hegseth's response, the U.S. blockade, and Polymarket odds are all factually accurate within the current 2026 news cycle.

- Platform
- Source author
- polymarket — see all fact-checks of this account
- Original post
- https://www.instagram.com/p/DX94be7kamo/?img_index=1&igsh=ZmxrdDZqc3h6aXdj
- Verified on
- May 5, 2026
- Verification ID
- qsjsazDBEWiI7ATmPZRUvw
Original content reviewed
Platform: INSTAGRAM Author: @polymarket --- Caption/Description --- Sources say Iran may use explosive-armed dolphins to attack U.S. ships in the Strait of Hormuz, escalating already high tensions over a crippling oil blockade. Pete Hegseth dismissed the idea, bluntly stating there are no “kamikaze dolphins” despite growing outrage from Iranian hardliners. Traders predict a 16% chance that traffic in the Strait of Hormuz will return to normal by the end of May. --- Carousel/Slides (16 items) --- Slide 1 (image): Text: Polymarket TRENDING IRAN CONSIDERS USING "KAMIZAKE DOLPHINS" Slide 2 (video): Audio: kamikaze dolphins. The Persians want to strap mines to dolphins to weaponize the Strait. Don't tell PETA. These rogues are desperate. The blockade's already forced 45 ships to do a 180. And now the Pentagon is using AI to hunt down Iranian mines. Text: As the U.S. blockade pressures Iran, reports suggest they may deploy kamikaze dolphins to attack U.S. ships in the Strait of Hormuz. U.S. CENTRAL COMMAND IRAN'S LAST HOPE: KAMIKAZE DOLPHINS FOX NEWS ALERT Slide 3 (video): Audio: And I can't confirm or deny whether we have kamikaze dolphins, but I can confirm they don't ultimately Text: THE PENTAGON 8:20 AM Hegseth: "I can't confirm or deny whether we have kamikaze dolphins, but I can confirm they don't." BREAKING NEWS PENTAGON LEADERS HOLD BRIEFING ON IRAN morning joe LIVE • 8:20 AM MS NOW Slide 4 (video): Audio: [Background Music - Not Narration] Customer service, give me straight to the bitch, bruh. Customer service, customer service, customer service. Text: The CEO of PETA trying to call the Trump admin after finding out the U.S. has a covert military dolphin program grand theft auto V Slide 5 (video): Audio: The Wall Street Journal reported today that they're contemplating measures like suicide dolphins, you know, dolphins equipped with mines to try to go after U.S. ships. So that's not a measure which projects
Claims analyzed (4)
- verified: Sources claim Iran may use explosive-armed dolphins to attack U.S. ships in the Strait of Hormuz.
Multiple reports from May 1-2, 2026, citing the Wall Street Journal, confirm that Iranian hardliners are considering the use of mine-carrying dolphins as an asymmetric response to the U.S. blockade. - verified: Pete Hegseth dismissed reports of 'kamikaze dolphins' being used by Iran.
On May 5, 2026, Defense Secretary Pete Hegseth stated he could 'neither confirm nor deny' U.S. use of such dolphins but confirmed Iran does not have them, dismissing the reports as 'low-level kinetics'. - verified: Traders on Polymarket predict a 16% chance that traffic in the Strait of Hormuz will return to normal by the end of May.
Polymarket prediction markets for 'Strait of Hormuz traffic returning to normal by May 31' have seen significant volume and volatility, with odds crashing from 73% in April to low double digits by early May 2026. - verified: There is an ongoing oil blockade in the Strait of Hormuz causing high tensions.
The U.S. has enforced a naval blockade on Iranian ports since April 13, 2026, as part of 'Project Freedom,' leading to a 'dual blockade' and record-high oil prices.
Sources consulted (11)
- unilad.com — unilad.com
- ibtimes.co.uk — ibtimes.co.uk
- cnn.com — cnn.com
- substack.com — substack.com
- cbsnews.com — cbsnews.com
- binance.com — binance.com
- pbs.org — pbs.org
- ipdefenseforum.com — ipdefenseforum.com
- Iran eyeing mine-carrying dolphins to attack US warships in Strait of Hormuz — Ground News
- Polymarket Strait of Hormuz Odds Crash After Iran Fires on Tankers — Bitcoin.com
- Polymarket Predicts Hormuz Strait Normalization by May 31 — Binance Square
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