A swimming cricket was one of three "new species" discovered by a TV crew filming in South America.

The "unbelievable" insect find was captured on camera along with a no-eyed harvestman and a cave catfish.

The trio were found in a remote Venezuelan tepui, a type of table-top mountain in the region.

"We've only named about a million species of insects and there are almost certainly five to eight million undescribed," said Dr George McGavin.

Read more at watch the video at BBC News.