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…
Harlequin Shrimps: Seeing Stars (On the Menu)
Somewhat comical and cartoonish in both name and appearance, harlequin shrimps (Hymenocera picta) are not invertebrates to be purchased on a whim. Keeping these critters, as I’ll soon explain, demands an investment of cash and effort that not every marine…
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…
Rock Flower Anemones Resurge in Popularity
Rock flower anemones are trending in popularity as of late in the reef aquarium hobby. They have always been readily available in the industry, as they are harvested close by in the Caribbean. But despite their relatively easy accessibility, they’ve…
The Sally Lightfoot Crab: A Real Character of a Crustacean
Sharing the surname of a famous Canadian folk singer, of whom I’ve been an ardent fan for many, many years (once again confirming that my profound nerdiness knows no bounds), the Sally Lightfoot crab, a.k.a. the nimble spray crab, of…
Cleaner Shrimp: Practically Perfect Marine Aquarium Invertebrates
When we think of symbiosis on tropical coral reefs, the classic example of clownfishes and their host anemones often comes to mind. However, there’s another model of symbiosis that’s every bit as fascinating to observe but much easier to recreate…
Bubble-Tip Anemones: Care and Propogation
Virtually every reef aquarium hobbyist has, at one time or another, dreamed of propagating corals for a living. After learning to maintain these delicate organisms in captivity and experiencing the satisfaction of trading a few frags with fellow hobbyists and…
