Blue Fin Watchman Goby

(Cryptocentrus fasciatus)

Cryptocentrus Gobies are also known as shrimp Gobies and develop a symbiotic relationship with alpheid shrimp. The shrimp provide a home used by both the shrimp and Goby, while the Goby acts as a lookout for predators. Shrimp Gobies are peaceful, hardy, small and easy to maintain. Cryptocentrus Gobies should be added to aquariums with a deep sand bed for burrowing. Ample rockwork for grazing and hiding should be provided along with a diet of marine meaty foods multiple times daily. Shrimp Gobies will also scavenge through the sand for food. House with other peaceful tank mates. Gobies may jump provide an aquarium with a tight fitting lid. Although quite peaceful Cryptocentrus Gobies should be kept singly or as a mated pair.

Y Bar Shrimp Goby are also sometimes known as Barred Watchman or Blue Fin Watchman Goby. Occasionally found in the aquarium trade. Y Bar Shrimp Goby are quite lovely with an overall brown body color with white saddle like spots and blue on its anal fins. Y Bar Shrimp Goby can grow to a little over 5".

We recommend a minimum aquarium size of 50 gallons or larger for this species.

Water conditions: Salinity 1.020 - 1.025, Temp (F) 72 - 78, pH 8.1 - 8.4, Alkalinity 8 - 12 dKH

  • Care: CareModerateModerate CareEasyEasy
  • Behavior: BehaviorSocialSocial
  • Diet: DietFlake FoodFlake Food DietFrozen FoodFrozen Food DietLive FoodLive Food
  • Habitat: HabitatReefReef HabitatSand FlatSand Flat
  • Light: LightHighHigh