He has focused his research primarily on the scorpionfish (Scorpaeniformes) and published a large number of books and scholarly articles.
Taenianotus triacanthus, the "Leaf scorpionfish", a species of fish of the family Scorpaenidae
The Azores scorpionfish is known only from the coast of Terceira Island in the Azores in the eastern Atlantic Ocean.
In part due to the shallow depth an abundance of reef fish can be found around it, Glassfish, Groupers, Jackfish, Scorpionfish and Crocodilefish can all be seen around the ruptures in the hull.