hopIQ found 10 beers with the same hoppy and citrusy character as Fiddlehead Imperial IPA. Fiddlehead's Imperial IPA from Vermont pulls no punches at 9.2% and 90 IBU—intense citrus and tropical hop character arrive with serious, unapologetic bitterness and a warming alcohol that builds steadily. This is a beer for those who want their hops to mean business, best shared among people who understand. Ranked by flavour match rather than popularity.
Closest match: Ale Asylum Satisfaction Jacksson — 84%. No twin in the catalogue yet.
4 countriesmatched across 56 flavour tagsbest match 84%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.