How do scientists locate schools of fish?

Sea Wonder: Barreleye, Ocean Creatures

acoustic survey – NOAA Teacher at Sea Blog

Why Do Fish School?

noaa fisheries – NOAA Teacher at Sea Blog

Trawl Survey (Leg 3 of 3)Geographic Area

Fish and krill schools take common shape

883 Bait Ball Stock Photos, High-Res Pictures, and Images - Getty

Trawl Survey (Leg 3 of 3)Geographic Area

Ocean Species Are Shifting toward the Poles

These Electric Fish Detect Images of What Their Companions Are

Fish Brain Anatomy, Parts & Function - Lesson