Somebody's been watching Aquarium co-op......
Anyways, so they're basically a weird little stickleback fish. There is
this excellent writeup from plantedtank. I believe they were all the rage there about 8 years or so. Treat them like mini pipefish crossed with dragonets and you should be good. This means that you should already be 1) hatching out brine shrimp daily, and 2) be looking into alternative foods such as freshwater copepods.