- Who
- Richard Hart
- What
- 188.46 kilogram(s)
- Where
- Guyana (Rewa river)
- When
The heaviest freshwater fish caught on fly weighs 188.46 kg (415.48 lb) and was achieved by Richard Hart (UK) in Rewa River, Guyana, on 4 February 2015.
The fish that was caught was an arapaima (Arapaima gigas).