I've taken a look through your store and I have a few suggestions.
The photo you have currently says pet store to me, not fishing. I'd recommend swapping it out. You can get stock quality photos for free from https://pixabay.com/.
As a first time visitor, I had a hard time finding what you sold and where to find it. You know how things are set up so you know to click on one of these, but to a first time visitor, there is no Shop page link and when I see these..
When you are getting some traction and sales and decide it's time to run ads, give this a watch:
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