The Jewel Damsel (Plectroglyphidodon lacrymatus) is a type of damselfish known for its striking appearance and territorial behavior. Here are some key details:
Color: Typically a vibrant blue or bluish-green with iridescent spots, which resemble “jewels.”
Size: Grows up to around 10–12 cm (4–5 inches).
Distinct Features: Juveniles often have brighter, more vivid coloration compared to adults.
Found in coral reefs across the Indo-Pacific region, including the Red Sea and East Africa to the central Pacific.
Prefers shallow reef areas, often seen darting among corals and rocks.
Highly territorial and aggressive, especially toward other fish invading their space.
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Will defend a chosen coral head or rocky area vigorously.
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Requires a well-established reef tank with plenty of hiding spots.
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Best kept alone or with other semi-aggressive species.
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Needs high water quality and a varied diet (flakes, frozen foods, etc.).












