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S p e c i e s
Species will also determine the strength of the echo, as can be seen here in this comparison:
1. Carp - Very strong as they have the largest swim bladder, solid skull construction and large scales.
2. Tilapia - Next strongest echo due to a medium swim bladder, large skeleton and medium scales.
3. Largemouth Bass - The weakest echo due to a medium swim bladder, light frame skeleton and small scales.
Fish and Down Sonar
Tip: This is why
Largemouth bass are
so difficult to see on
SideScan sonar.
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