What would go well with salmon gyoza for starters? Ideally a vegetarian main, but fish would work well too. Would welcome any suggestions!

This was mentioned in a recent column here on favorite food blogs... sounds delicious.

Vegetarian Miso Ramen with Rice Noodles, Roasted Sweet Potatoes and Sesame Broccolini
http://www.bojongourmet.com/2015/01/miso-rice-noodle-ramen-vegetarian-gluten-free.html

Vegan Noodle Soup
https://food52.com/blog/12052-a-vegan-noodle-soup-for-the-new-year

Or a vegetarian Pho (noodle soup) if you don’t mind mixing cuisines. Here’s one:
http://www.happyolks.com/delicious-ambiguity/

Tom kha gai (Thai street food chicken soup) with firm/pressed tough & veg broth instead of the chicken and chicken broth. Most of the flavor comes from the veg and aromatics, so different but still delicious!

You could make a stir fry, lo mein or fried rice with shrimp.