Swamp Type: Deinosuchus lived in a variety of swampy environments, including:
- Freshwater swamps: These were inland wetlands characterized by slow-moving or stagnant water, abundant vegetation, and a muddy substrate. Deinosuchus likely spent much of its time in these freshwater habitats, where it could ambush and prey upon fish, turtles, and other aquatic creatures.
- Brackish-water swamps: Deinosuchus also ventured into brackish-water swamps, which were transitional areas between freshwater and saltwater ecosystems. These swamps were influenced by tidal fluctuations, resulting in a mix of fresh and saltwater, and often supported diverse ecosystems. Deinosuchus may have used brackish-water swamps as feeding grounds or as migration routes between different habitats.
- Coastal swamps: Deinosuchus inhabited coastal swamps, where rivers met the ocean. These environments were characterized by brackish or saltwater conditions, abundant mangrove forests, and muddy or sandy substrates. Deinosuchus likely used coastal swamps for hunting and as nesting sites.
In general, Deinosuchus preferred warm, humid climates with abundant vegetation and water bodies. It was well-adapted to life in these swampy environments, where it could efficiently hunt and survive as a top predator.