Complex sentence: The largest reported black caiman, measuring 7.7 meters (25.2 ft) and weighing 1,310 kg (2,870 lb), was shot in Acre, Brazil in 1965 and, which if accurate, would count as the largest crocodilian recorded besides saltwater crocodiles.
Split into simpler sentences: The largest reported black caiman, measuring 7.7 meters (25.2 ft) and weighing 1,310 kg (2,870 lb), was shot in Acre, Brazil in 1965. If accurate, this would count as the largest crocodilian recorded besides saltwater crocodiles.