FAMILY - Godidae SCIENTIFIC NAME - Sigigoblus Blocellatus COMMON NAME - Signal Goby (Twinspot Goby, Crabiey Goby) SIZE - 2.6" (6.5 cm) RANGE - Western Pacific MIN. AQUARIUM SIZE - 20 US Gal. ( 76 L) FOODS AND FEEDING - Meaty foods, vitamin enriched live and frozen brine shrimp, mysid shrimp, live black worms, prepared foods for carnivores, takes mouthfuls of substrate along with the food that lands on or lives within the sand. This is a difficult species to feed. AQUARIUM SUITABILITY - 4 REEF COMPATIBILITY - May eat ornamental crustaceans, otherwise an excellent reef fish. CAPTIVE CARE - Difficult to keep and most individuals starve to death, a well established refugium with heavy population of copepods and the like is a plus, feed often in the aquarium, needs to be dewormed when first introduced, best kept in pairs, do not keep with aggressive tankmates, do not keep with bottom feeding food competitors.