Marine catfish in Australia, such as the estuary cobbler and the eel-tailed catfish, are intriguing species that inhabit a variety of aquatic environments, from estuaries to freshwater rivers. These fish are easily recognized by their barbels, which resemble cat whiskers and serve as sensory organs to help them locate food in murky waters. Marine catfish are adaptable and resilient, thriving in both brackish and freshwater habitats. They play vital roles in their ecosystems, often acting as bottom feeders that help maintain the cleanliness and health of their aquatic environments. Despite their importance, these catfish face threats from habitat destruction and pollution, highlighting the need for targeted conservation efforts to ensure their survival.