Ecology of Prognathodes obliquus, a butterflyfish endemic to mesophotic ecosystems of St. Peter and St. Paul’s Archipelago

Chaetodontidae is among the most conspicuous families of fishes in tropical and subtropical coral and rocky reefs. Most ecological studies focus in the genus Chaetodon, while Prognathodes remains poorly understood. Here we provide the first account on the ecology of Prognathodesobliquus, a butterflyfish endemic to St. Peter and St. Paul’s Archipelago (SPSPA), Mid-Atlantic Ridge. We studied the depth distribution and foraging behaviour of...