Eeltail catfish can be found in both marine and freshwater. The freshwater species have evolved from marine ones that have colonised rivers. These catfish are common in the rivers of Papua New Guinea, but are also found in Australia, the Indian and Pacific Oceans.
Scientific name: Plotosidae
Catfish have developed an effective defence from crocs.
All round action man Steve Backshall gets to grip with a catfish in Lost Land of the Volcano. But this isn't any old catfish - this one has a dorsal fin containing a number of venomous spines. Being spiked by any of these would be like getting stung by a sting ray... and yet Steve isn't fazed one jot!
The following habitats are found across the Eeltail catfish distribution range. Find out more about these environments, what it takes to live there and what else inhabits them.
Discover what these behaviours are and how different plants and animals use them.
Additional data source: Animal Diversity Web
Take a trip through the natural world with our themed collections of video clips from the natural history archive.
Watch the year's highlights from the BBC's exploration of the planet's hidden corners and rarest creatures: from the turquoise seas of the South Pacific to the Lost Land of the Volcano.
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