What Do Saltwater Hermit Crabs Eat? (Reef Tank Guide)
Saltwater hermit crabs eat algae, seaweed, leftover fish food, detritus, mysis shrimp, brine shrimp, nori, bristleworms, and pretty much anything else they find on the ocean floor. They are true scavengers – nature’s cleanup crew. In a reef tank, they spend most of their time grazing algae off rocks and glass, picking through the sand…