The given codes looked a lot like a longitude and latitude.

5.8664269, -162.0676117.

The challenge wanted you to find out who they were with.

• Step One - Type the longitude and latitude into Google Maps.
• Step Two - Go into Street View, there are a few points you can do so in the surrounding sea.
• Step Four - Find the Street View angle with the big fish.
• Step Five - Screenshot the picture of the fish.
• Step Six - Paste the screenshot into Google Images and perform a reverse image search.
• Step Seven - You will be told that the fish is a Snapper.

Therefore the answer is SNAPPER.