Sumpy blind fish peop— SCAVVIES. Blind Scavvie Sump people. And their sumpy plant terrain. Hmm.Not exactly scratchbuilding, but Lidl currently have cheap aquarium stuff in their middle aisle:
Underwater Kingdom Aquarium Ornament Assortment - Create a wonderful underwater world for your fish with the help of these detailed ornaments Hand-paintedwww.lidl.co.uk
Would be a good fit for those Deepkin fish-elves.