Elacatinus randalli, commonly referred to as Randall’s Goby, is a small, peaceful fish highly valued in the marine aquarium hobby for its cleaning behaviour and reef compatibility. This species is available in various sizes and is tank-bred, ensuring hardiness and acclimatisation to captive conditions.
Care Level: Easy to moderate care requirements make this goby suitable for hobbyists with some marine aquarium experience.
Temperament and Compatibility: Randall’s Goby is peaceful and non-aggressive, making it an excellent addition to community reef tanks. It coexists well with other peaceful fish and invertebrates. Avoid housing with large, aggressive species that may bully or prey on it.
Diet: This species thrives on a varied diet including small meaty foods such as brine shrimp, mysis shrimp, and specialised goby pellets. They may also pick parasites and dead tissue from other fish, exhibiting natural cleaning behaviour.
Minimum Tank Size: A minimum of 60 litres (approximately 15 gallons) is recommended to provide adequate swimming space and territory.
Lighting and Water Flow: Standard reef aquarium lighting is suitable. Moderate water flow is preferred to mimic natural reef conditions without stressing the fish.
Placement: Provide plenty of live rock with crevices and hiding spots to simulate their natural habitat and reduce stress.
Origin: Tank-bred specimens sourced from captive breeding programmes, ensuring sustainability and reduced wild collection impact.
Maximum Size: Typically grows up to 5 cm (2 inches) in length.
Reef Safety: Yes, Randall’s Goby is reef safe and beneficial due to its cleaning habits.
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