portable fish finders?

[kempy]

do you guys know of any portable fish finders like one you would use to walk round the sea coasts i did find one that you tie to the line on your rod and sact it out here it is. HUMMINGBIRD Piranha MAX 10 Fish Finder
See fish, structure, and depth from the bank, dock, boat--wherever you cast the bright green Remote SonarSensor?!

Portable, waterproof, and designed to withstand tough environments

Use in either fishing or graphing mode--just tie to your line and go!

Display attaches to fishing rods .35" to .50" in diameter

Easy to see while fishing!

48Vx32H 1-1/4" Diagonal LCD

90? Sonar Coverage

100' Depth/100' Range

$119.99

any other ones that you guys know of?

[busumark]

i think a fishfinder from shore is of no use. you use the fishfinder most for bottom fishing from the boat to find the sides of reefs( sikek)