The Signal Goby: A Master Mimic with a Sketchy Captive Survival Record

The signal goby (Signigobius biocellatus), aka the twin-spot, two-spot, or crab-eye goby, is an appealing little sand sifter with fascinating behavior that, unfortunately, often adapts very poorly to aquarium life. Nonetheless, specimens still appear in the aquarium trade, so it’s worth discussing the species here—if only to understand why it’s probably best to pass it … [Read More]

What Gives with that Marine Fish that Never Eats?

I’ve had this fish in my aquarium for months now and it’s as fat and happy as can be, yet I’ve never actually seen it consume any of the food’s I’ve offered. How on earth is it getting enough to eat?” Caribbean Chris and I often field queries like this here at Saltwater Smarts, and … [Read More]