Apogon atradorsatus Heller & Snodgrass 1903

Apogon atradorsatus is not the primary subject of the video clip; the primary subject is Triaenodon obesus (Whitetip reef shark). Eastern Pacific Ocean, Duration 21 seconds

Apogon atradorsatus is not the primary subject of the video clip; the primary subject is Paranthias colonus (Pacific creole-fish). Eastern Pacific Ocean, Duration 66 seconds

Eastern Pacific Ocean, Schooling, Duration 22 seconds, Shot includes Prionurus laticlavius (Razor sawtail)

Eastern Pacific Ocean, Duration 20 seconds

Eastern Pacific Ocean, Schooling, Duration 31 seconds