Ecsenius bimaculatus is a small, peaceful blenny native to the Indo-Pacific region. Known for its distinctive markings and active behaviour, it is a popular choice for marine aquarists seeking a hardy and reef-safe fish. This species is excellent for controlling algae growth in reef tanks.
Care Level: Easy to moderate. Suitable for hobbyists with some marine aquarium experience.
Temperament: Generally peaceful and non-aggressive, though may show territorial behaviour towards conspecifics or similar species.
Diet: Primarily herbivorous, feeding on algae and biofilm. Supplement diet with high-quality marine algae sheets, spirulina, and occasional meaty foods such as mysis shrimp.
Minimum Tank Size: A minimum of 75 litres (20 gallons) is recommended to provide adequate swimming space and territory.
Lighting Requirements: Moderate lighting to support algal growth, which forms a natural part of their diet.
Water Flow: Moderate water flow is preferred to mimic natural reef conditions.
Placement: Provide plenty of live rock with crevices and hiding spots. This species appreciates a well-structured environment for grazing and shelter.
Origin: Indo-Pacific region.
Maximum Size: Up to 7 cm (approximately 2.8 inches).
Reef Safe: Yes, suitable for reef aquariums when housed with compatible tank mates.
When introducing Ecsenius bimaculatus to your aquarium, ensure stable water parameters and a well-established tank to promote health and longevity. Avoid aggressive tank mates to maintain a peaceful environment.
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