Lots of different transducer options for the HDS-7 gen3, and not sure which one will best suit my needs. I’m looking for a transom mount, that has water temperature. I mostly fish river/delta, SF bay, and ocean. I do not fish for lake bass. I want to be able to see salmon in the river, schools of fish or bait schools in the ocean. Mostly be in water under 200 ft, with the majority of the time under 100ft. What do you guys think is the best transducer for this with the HDS-7 gen3?