If you have a tight budget and are unsure about the amount of time youll spend on the water, there are some great new options that have come along in the last decade that has made the entry cost much more feasible than it once was
Cost 7 inch $1,749 on special at BCF with 3-1 active transducer + CMAP 9 inch $3,399 on special at BCF with 3-1 active transducer + CMAP 12 inch $4,599 on special at BCF with 3-1 active transducer + CMAP 16inch $TBC at BCF with 3-1 active transducer + CMAP Gotchas Power consumption This is higher than some competitors like the Garmin UHD series and Simrad Go series
If this is mostly at home carrier, I think its a great choice, and would give it the edge over its competitors
A really tough surface can be obtained by hard anodizing
Whereas the general architecture of the swimming circuits is known, many questions remain both about the detailed organization and the function of the underlying sensorimotor control circuits, and how they deal with the complexity of the animal body and its environment