After getting closer and closer I finally annoyed him to where he started to change to a more reddish colour and puff up- much like guys in a New Zealand pub when the police do their rounds.
There is a hint of a smile on its face- but don’t be fooled as the toxin is extremely potent and may send you to hospital. Apparently other fish can eat them without much ill-effect. Possibly something to do with the much slower metabolic rate of cold-blooded animals compared to humans. Just today on facebook, I saw a friend from Egypt who posted a still frame from a video he shot, where a giant moray tried to snack on a stonefish. That’d be a spicy curry.