Where to buy Keyhole Angelfish
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Saltwaterfish
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Amazon
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Petco
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About Keyhole Angelfish
The Keyhole Angelfish is a small, bright yellow fish with a distinctive dark brown or black vertical keyhole-shaped marking on its mid-body. The body is compressed and oval-shaped, typical of the Pomacanthidae family. It has yellow dorsal and anal fins with blue accents along the edges.
Key facts
- Min tank size
- 75 gallons
- Temperament
- Semi Aggressive
- Difficulty Level
- Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
- Appearance
- The Keyhole Angelfish is a small, bright yellow fish with a distinctive dark brown or black vertical keyhole-shaped marking on its mid-body. The body is compressed and oval-shaped, typical of the Pomacanthidae family. It has yellow dorsal and anal fins with blue accents along the edges.
- Care Level
- Moderate
- Common Health Issues
- Ich (White Spot Disease), Marine Velvet, Lateral Line Erosion (Head and Lateral Line Erosion - HLLE), poor appetite in new tanks
- Care Requirements
- • Minimum 75 gallon tank with plenty of rockwork and hiding spaces • Temperature range: 72–78°F; pH 8.0–8.3; Salinity 1.020–1.025 • Feed a varied omnivorous diet including high-quality angelfish pellets, frozen mysis shrimp, and occasional vegetable matter • Can be territorial and aggressive toward conspecifics and similar-looking species; keep only one per tank • Sensitive to poor water quality and rapid changes; maintain stable parameters with regular water changes
- Feeding Schedule
- 1-2 times daily
- Origin
- Indo-Pacific region, including the Great Barrier Reef, Indonesia, and the Philippines. Found in coral reef environments at depths typically between 20 and 200 meters.
- Max Size
- 8
- Diet Details
- Feed a varied diet of quality angelfish pellets, frozen mysis shrimp, and small crustaceans. Supplement with occasional vegetable-based foods such as spirulina or nori. Feed 1–2 times daily in small portions.
- Diet
- omnivore
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