Environment & Ecology · Wildlife and Biodiversity

With reference to crocodilians, consider the following statements: I. Gharials are primarily fish-eating reptiles with long, thin snouts adapted for catching prey in rivers. II. Alligators are generally more aggressive than crocodiles and are widely distributed across tropical regions. III. Saltwater crocodiles are found in both freshwater and brackish habitats and are the largest living reptiles. IV. The mugger crocodile is a freshwater species found widely across India and is classified as Vulnerable by the IUCN. How many of the statements given above are correct?