Staghorn Damsel; Yellow – Amblyglyphidodon ternatensis

About this fish

Staghorn Damsel; Yellow – Amblyglyphidodon ternatensis is a saltwater damselfish prized for its bright appearance and reef-aquarium presence. As a damselfish, it can help bring active “personality” to a display tank and is commonly added for ongoing, everyday behavior such as picking at small foods and moving through live rock. In a typical aquarium setup, it uses open-water swimming and shelter in the rockwork for comfort and security, so thoughtful aquascaping is part of getting the most out of it.

Features:

• Damselfish are generally hardy marine fish and adapt well to stable aquarium conditions when introduced properly.
• Naturally territorial behavior is common; providing established live rock and visual breaks can reduce bullying.
• Active and alert, often exploring the tank and grazing on small bits of food.
• A varied diet supports health—offer a mix of prepared foods and appropriate meaty items.
• Best results come from pairing with compatible tankmates that are not overly similar in shape or size to the damsel.

Specifications:

• Care level: Moderate (typical for damsels; sensitive to poor water quality)
• Temperament: Active but may be territorial toward similar or smaller fish
• Diet: Omnivorous; accepts prepared marine foods and meaty/zooplankton-style foods
• Tank type: Tropical marine aquarium; reef or fish-only depending on tankmates
• Water temperature: About 72–78°F (22–26°C)
• Salinity: About 1.020–1.025 specific gravity
• pH: About 8.1–8.4
• Water quality: Maintain near-zero ammonia and nitrite; stable nitrates for a healthy system