Equetus lanceolatus, commonly known as the Jackknife Fish, is a visually striking species prized for its bold black and white vertical stripes and elongated dorsal fin. This Tank-Bred specimen ensures better acclimation and disease resistance compared to wild-caught counterparts, making it a premium choice for marine aquarium enthusiasts.
Care Level: Moderate to advanced care is recommended due to its specific dietary and environmental needs.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar species. Best kept singly or as a mated pair in a suitably sized aquarium.
Diet: Carnivorous – thrives on a varied diet of meaty foods such as mysis shrimp, brine shrimp, finely chopped seafood, and specialised marine pellets or flakes formulated for carnivores.
Minimum Tank Size: A minimum of 200 litres is advised to provide ample swimming space and to maintain stable water parameters.
Reef Safety: With caution – may nip at small invertebrates or sessile animals; suitable for reef tanks with robust corals and larger invertebrates.
Lighting & Water Flow: Moderate lighting and moderate water flow are ideal to mimic natural reef edge habitats.
Placement: Provide plenty of rockwork and hiding places to reduce stress and establish territories.
Origin: Not Provided (Tank-Bred)
Maximum Size: Up to 20 cm (approx.)
Equetus lanceolatus is a captivating addition to a marine aquarium, combining unique aesthetics with manageable care requirements when husbandry guidelines are followed. Its tank-bred status enhances survivability and acclimation, making it a preferred choice for UK marine aquarists seeking a standout grunt species.
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