Very weird. A stealth predator; related to seahorses.
Taken from above on the little pier that lets you walk out beyond the reef and go snorkeling.
Fistularia commersonii is a guess.
Snorkeling in large tidepools.
Snorkeling at Two Step.
The cornetfishes are a small family, the Fistulariidae, of extremely elongated fishes in the order Syngnathiformes. The family consists of just a single genus, Fistularia, with four species, found worldwide in tropical and subtropical marine environments.