AFAIK most do. A few prefer brackish waters (like the American croc), but crocs in the saltie ranges tend to avoid them (as they’re full of salties), and crocs

AFAIK most do. A few prefer brackish waters (like the American croc), but crocs in the saltie ranges tend to avoid them (as they’re full of salties), and crocs like the Nile, the Slender-Snouted, the Mugger, the Orinoco or the Dwarfs range way too far inlands for brackish waters to be their main habitat.