Harmless or Helpful Live Rock Hitchhikers: “Pods”

Regular Saltwater Smarts readers often see references to them in Paul B’s posts. They arrive in our aquaria unbidden aboard chunks of live rock, in live sand, or on coral specimens attached to rocks. At a glance, they look like little insects scurrying over the rocks or swarming on the glass. I’m talking about “pods”—not … [Read More]