Atrosalarias hosokawai is a fascinating blenny species prized for its effective algae control and peaceful nature, making it a valuable addition to many marine aquariums. This species is relatively small, reaching a modest size that suits tanks with ample live rock for grazing and shelter.
Care Level: Moderate – requires stable water parameters and a mature tank environment.
Temperament: Generally peaceful and non-aggressive, suitable for community tanks with other non-territorial species.
Diet: Primarily herbivorous, feeding on algae and biofilm. Supplement with high-quality marine algae sheets, spirulina, and occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: A minimum of 75 litres (20 gallons) is recommended to provide sufficient space and grazing surfaces.
Lighting Requirements: Standard marine aquarium lighting is sufficient; moderate lighting supports algae growth for natural grazing.
Water Flow: Moderate water flow is ideal to mimic natural reef conditions and maintain water quality.
Placement: Provide plenty of live rock with crevices and surfaces for grazing and hiding. Position the fish in a well-established reef or fish-only marine aquarium.
Origin: Not Provided.
Maximum Size: Approximately 5 cm (2 inches).
Reef Safe: Yes – compatible with most reef inhabitants, including corals and invertebrates.
This species benefits from a stable, mature aquarium with consistent water quality. Avoid aggressive tank mates that may harass or outcompete the blenny. Regular feeding with algae-based foods will promote vibrant health and natural behaviour.



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