Queensland's environment department has confirmed it is investigating a video which allegedly shows an influencer trying to catch a freshwater crocodile.

The video was posted to Instagram on Friday by American wildlife influencer Mike Holston, who goes by "therealtarzann" online.

Tagged as "Lockhart River, Cape York" in the state's far north, it has since amassed more than a million likes and 22 million views, while sparking backlash from some.

The video appears to show Mr Holston jumping out of a boat in shallow water to run towards a crocodile.

The footage shows the crocodile trying to swim away, before Mr Holston appears to leap on it and pick it up.

Another man who appears to be holding the camera can be heard saying, "Oh, it's got him".

Mr Holston can be heard responding: "I got

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