Mirror Butterflyfish Care Guide
Chaetodon speculum · Saltwater Butterflyfish
What Mirror Butterflyfish look like
The Mirror Butterflyfish (Chaetodon speculum) exhibits a distinctive body shape typical of the Chaetodontidae family, characterized by a laterally compressed, oval form that can reach a maximum adult size of approximately 6 inches (15 cm). Its coloration is striking, featuring a predominantly yellow body with a prominent black spot located near the dorsal fin, which serves as a form of disruptive coloration. The fins are elongated and pointed, with the dorsal fin extending into a long, graceful filament. Sexual dimorphism is subtle, with males generally displaying slightly more vibrant coloration than females. Defensive adaptations include the ability to quickly dart into crevices or coral formations when threatened, and their small size allows them to maneuver adeptly among the reef structures. The species possesses a well-developed lateral line system, aiding in the detection of water movements and potential predators.
Behavior & temperament
Mirror Butterflyfish are typically found in pairs, exhibiting monogamous behavior and forming strong bonds with their mates. They inhabit shallow reef environments, often swimming at mid-water levels while actively foraging for food. Their temperament is generally peaceful, although they can exhibit territoriality when defending their breeding sites or preferred feeding areas. During breeding, they engage in elaborate courtship displays that involve synchronized swimming and circling behaviors. Their feeding behavior is primarily focused on coral polyps and small invertebrates, showcasing their role as important grazers within the reef ecosystem.
Diet & feeding
The Mirror Butterflyfish is primarily an obligate corallivore, feeding on coral polyps and other small invertebrates. In captivity, they require a varied diet that includes high-quality frozen or live foods, such as brine shrimp and mysis shrimp, as well as specialized coral foods to maintain their health.
Behind the name
The genus name 'Chaetodon' is derived from the Greek words 'chaite' meaning 'hair' and 'odon' meaning 'tooth', referring to the hair-like structures on their teeth. The species name 'speculum' is Latin for 'mirror', likely referencing the reflective quality of their coloration.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Mirror Butterflyfish?
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