FREE SONAR LESSON #1

WHY IS MY FISH A DOT INSTEAD OF AN ARCH?

WHY IS MY FISH A DOT INSTEAD OF AN ARCH?

Ever wondered why some fish appear as dots instead of arches on your sonar?

Not every fish creates a perfect arch! Fish movement, boat speed, transducer coverage, and sonar settings all influence how fish appear on your screen.

Discover why fish sometimes show up as dots and learn to interpret these sonar returns with greater confidence!

fish arches and dots on 2D
fish arches and dots on 2D

Want to Improve Your Sonar Interpretation Skills?

One fish can appear very different depending on the conditions.

Explore our sets of 30 or 15 annotated sonar images to discover more real-world examples and improve your ability to recognize fish and underwater structures.

EXPLORE OUR SONAR IMAGE COLLECTIONS

2D and down image sonar images
2D and down image sonar images