What is the version of the following sentence with correct punctuation?

Shallow rocky reefs and sandy patches from 5 15 m The numerous cracks and crevices provide ideal hiding places for large Octopus and Moray eels whilst playful Wrasse dart amongst the underwater plants and seaweed
Shallow rocky reefs and sandy patches from 5 - 15 m. The numerous cracks and crevices provide ideal hiding places for large Octopus and Moray eels whilst playful Wrasse dart amongst the underwater plants and seaweed.