Absolutely here is a rewritten product description for Chaetodon kleinii (Kleins Butterflyfish), the marine species:

Kleins Butterflyfish (Chaetodon kleinii) is a beautifully patterned marine butterflyfish known for its bold black, white, and yellow markings and graceful, laterally compressed body. This species is prized for its striking appearance, active swimming, and ability to thrive in well-established reef aquariums. Ideal for intermediate to advanced marine aquarists, Kleins Butterflyfish adds elegance and movement to reef systems while displaying distinctive, eye-catching colouration.

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Features of Kleins Butterflyfish (Chaetodon kleinii)

Native habitat: coral reefs and rocky areas of the Indo-Pacific
Maximum size: approximately 1518 cm in length
Lifespan: 58 years with proper aquarium care
Temperament: generally peaceful but can become territorial
Colouration: striking black and white body with yellow accents and a distinctive eye stripe
Behaviour: active mid-level swimmer; often seen cruising reef edges

The Best Aquarium Size for Kleins Butterflyfish (Chaetodon kleinii)

A minimum aquarium size of 250 litres is recommended for a single adult. Larger tanks are preferred to provide stable water parameters and plenty of swimming space. A mature, well-established reef aquarium with plenty of live rock is essential.

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Tank Mate Compatibility for Kleins Butterflyfish (Chaetodon kleinii)

Kleins Butterflyfish can be housed with other peaceful reef fish, but compatibility depends on tank size and individual temperament. Suitable tank mates include:
Tangs (in larger tanks)
Wrasses
Clownfish
Small gobies and blennies

Avoid aggressive or highly territorial species, and introduce fish carefully to prevent stress.

Diet for Kleins Butterflyfish (Chaetodon kleinii)

Chaetodon kleinii is a carnivorous species with a preference for small invertebrates. Provide a varied diet of high-quality marine pellets, frozen mysis shrimp, brine shrimp, and prepared marine foods designed for butterflyfish. Many will also accept finely chopped seafood such as shrimp and squid. Feed 12 times daily in small portions.

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Aquarium Setup for Kleins Butterflyfish (Chaetodon kleinii)

Aquarium Filtration
Strong filtration with excellent biological and chemical filtration is essential to support stable reef conditions. Protein skimmers and quality canister or sump systems are recommended.

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Aquarium Live Rock & Coral
A mature reef tank with abundant live rock is essential, providing grazing surfaces and natural hiding spots. Chaetodon kleinii may pick at corals, so monitor carefully if kept in a reef setup.

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Aquarium Lighting
Moderate to high lighting is required for reef environments, but ensure the fish has shaded areas to reduce stress.

Aquarium Heating
Maintain stable temperatures between 2427C with a reliable heater and thermometer.

Aquarium Substrate
Fine sand or crushed coral substrate is suitable and supports natural reef aesthetics.

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Aquarium Decorations
Arrange live rock to create caves, overhangs, and swimming lanes. Provide open areas for cruising while ensuring plenty of shelter.

Kleins Butterflyfish (Chaetodon kleinii) is a stunning and graceful addition to mature reef aquariums, offering vibrant colouration and dynamic movement for experienced marine aquarists.