Redtail Butterflyfish Care Guide
Chaetodon collare · Saltwater Butterflyfish
What Redtail Butterflyfish look like
The Redtail Butterflyfish, scientifically known as Chaetodon collare, exhibits a striking coloration characterized by a predominantly yellow body adorned with bold black vertical bars. This species can reach a maximum adult size of approximately 7 inches (18 cm). Sexual dimorphism is subtle but can be observed in slight variations in body size and coloration intensity between males and females. Notable defensive adaptations include a laterally compressed body that allows for agile maneuvering among coral structures, and a distinctive red-orange tail fin that serves as a warning signal to potential predators. The fish possesses a well-defined lateral line system, aiding in the detection of water movements, and its dentition is specialized for feeding on coral polyps and small invertebrates, featuring small, sharp teeth that facilitate scraping and nibbling.
Behavior & temperament
Chaetodon collare is generally a social species, often found in pairs or small groups within its natural habitat. It typically occupies the upper to mid-water column, exhibiting a peaceful temperament but can become territorial, especially during breeding periods. Breeding behavior involves elaborate courtship displays, where males perform intricate swimming patterns to attract females. The species is known for its cautious nature, often retreating into crevices or coral formations when threatened, and displays a unique feeding behavior where it selectively grazes on coral polyps and small benthic invertebrates, utilizing its specialized mouth structure to access food sources.
Diet & feeding
In the wild, the Redtail Butterflyfish primarily feeds on coral polyps and small invertebrates, making it an obligate corallivore. In captivity, it requires a diet rich in high-quality marine-based foods, including frozen or live coral polyps, mysis shrimp, and specialized pellet foods designed for butterflyfish.
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 teeth of these fish. The species name 'collare' is Latin for 'collar', likely referencing the distinctive markings on the fish's body.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
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