4 Crabby Caveats to Keeping Clibanarius tricolor

Clibanarius tricolor, the blue-legged hermit crab, is very commonly introduced to marine aquaria, either in conspecific groups or as part of a multi-species “reef janitor” package or “cleanup crew” (aka “CUC” for those who just can’t get enough of those marine aquarium acronyms), for the purpose of aiding in detritus and algae control. But does … [Read More]

The Green Brittle Star: Little Fishy, Beware!

“Voracious predator” is not a term one commonly associates with brittle stars—that is, of course, unless the brittle star in question happens to be Ophiarachna incrassata, or the green brittle star (aka “the green death”). This bold species has a well-earned reputation for not merely scavenging deceased small fish and motile invertebrates, as one might … [Read More]

Does the Emerald Crab Earn Its Algae-Eating, Reef-Safe Reputation?

Among the various and sundry marine life commonly sold to aquarium hobbyists for utilitarian purposes is the emerald crab (Mithraculus sculptus). Oft touted for its propensity to gobble up bubble algae and other irksome algal forms, M. sculptus has become a proud, card-carrying member of many a marine aquarium “cleanup crew.” But before adding this … [Read More]