Equetus acuminatus, commonly referred to as the Jack Dempsey grunt, is a visually stunning marine fish prized for its bold black and white vertical stripes and elegant dorsal fin. This species is well-suited for hobbyists seeking a peaceful, reef-compatible grunt to enhance their marine aquarium.
Care Level: Moderate. This species requires stable water parameters and a well-maintained environment.
Temperament: Generally peaceful and shy, Equetus acuminatus coexists well with other non-aggressive fish species.
Diet: Carnivorous. Feed a varied diet including high-quality frozen or live meaty foods such as brine shrimp, mysis shrimp, and finely chopped seafood. Supplement with quality marine pellets or flakes to ensure balanced nutrition.
Minimum Tank Size: A minimum of 120 litres (approximately 30 gallons) is recommended to provide ample swimming space and reduce stress.
Lighting Requirements: Standard marine aquarium lighting is sufficient; no special lighting needs.
Water Flow: Moderate water flow mimics natural reef conditions and supports fish health.
Placement: Provide plenty of live rock with caves and crevices to offer shelter and resting spots. This species appreciates dimmer areas within the tank to retreat when needed.
Origin: Western Atlantic, including the Caribbean Sea.
Maximum Size: Typically grows up to 15 cm (6 inches) in length.
Reef Safe: Yes. Equetus acuminatus is considered reef safe, posing minimal threat to corals and invertebrates.
With proper care, this grunt species can thrive and become a captivating focal point in your marine aquarium.



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