Description
Description
Golden Semilarvatus Butterflyfish
(Chaetodon semilarvatus)
WYSIWYG – Approx. Size: 2.75-3.00Inches
Maximum Size: Up to 8 Inches
The Golden Semilarvatus Butterflyfish is a striking and vibrant species native to the Red Sea, known for its brilliant golden-yellow body adorned with subtle vertical barring and distinctive black markings near the eyes. This butterflyfish adds a splash of sunshine and graceful movement to mature reef or FOWLR aquariums. Its hardy nature and eye-catching coloration make it a favorite among collectors and reef enthusiasts alike.
Tank Requirements
Minimum Tank Size: 100 gallons (larger preferred)
Environment: Well-structured rockwork with plenty of caves and swimming space
Flow: Moderate
Lid: Recommended — agile swimmers and jumpers
Golden Semilarvatus Butterflyfish thrive in established reef systems with stable water parameters and plenty of hiding places.
Natural Behavior
This species is moderately territorial, often seen patrolling mid to upper levels of the tank. They are generally peaceful but can become aggressive toward similar species or conspecifics. Their curious nature often leads them to explore their environment actively.
Diet & Feeding
Omnivorous, requiring a varied diet:
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Frozen mysis shrimp, brine shrimp, and finely chopped seafood
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Marine algae and spirulina-based flakes or pellets
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Specialized butterflyfish diets, including sponge-based preparations
Feed 2–3 times daily. A diverse diet promotes vibrant coloration and overall health.
Tankmates & Compatibility
Temperament: Semi-aggressive; territorial especially toward conspecifics
Reef Safe: With caution — may nip at corals and sessile invertebrates
Best With: Other robust, semi-aggressive reef fish such as tangs, wrasses, and angels
Avoid housing with very small or passive fish. Provide ample space to minimize territorial conflicts.
