The Stonogobiops nematodes, commonly known as the Nematode Goby, forms a remarkable symbiotic relationship with the pistol shrimp Alpheus randalli. This pair is a popular choice for marine reef aquariums due to their fascinating mutualistic behaviour where the shrimp maintains a burrow that both animals share, while the goby acts as a lookout for potential threats.
Care Level: Moderate. Both species require stable water conditions and a well-established tank with fine sandy substrate to allow the shrimp to dig and maintain its burrow.
Feeding: The pair thrives on a varied diet including live or frozen meaty foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Feeding small amounts multiple times a day is recommended.
Compatibility and Reef Safety: This symbiotic pair is reef safe and generally peaceful, making them suitable for community reef tanks. They are compatible with other peaceful fish and invertebrates but should not be housed with aggressive tank mates that may disturb their burrow.
Tank Requirements: A minimum tank size of 60 litres (approximately 15 gallons) is advised to provide sufficient space and stable water parameters. The aquarium should have a fine sandy substrate to facilitate burrow construction and moderate water flow to mimic their natural environment.
Lighting and Placement: Moderate lighting is sufficient. Place the pair in a quiet area of the tank with ample hiding places and sand substrate. Avoid high flow areas to prevent disturbance of the burrow.
Origin: Not Provided.
Maximum Size: The Nematode Goby grows up to approximately 5 cm, while the pistol shrimp reaches around 6 cm in length.
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