I'm a level 10 fisher.

My retainer is a level 3 fisher.

I would think by now my retainer would be able to fish up at least one or two new things. After all, my miner/botanist are able to.

So is there something I'm doing wrong? I've probably fished up just under 20 different kinds of fish, all under level 10.

How do I get access to new fish from my retainer? Thanks.