| Scientific Name | Chaetodon reticulatus |
| Common Names | Reticulated Butterflyfish, Mailed Butterflyfish, Black Butterflyfish |
| Max Length | 7.1 inches (18 cm) |
| Min Tank Size | 125 gallons (473 liters) |
| Temperament | Peaceful to semi-aggressive; generally calm but may compete with other butterflyfish or similar species over food or territory. Best housed with peaceful to moderately assertive tankmates. Keep singly or as a bonded pair in larger tanks to minimize conflicts. |
| Reef Safe | ✗ No |
The Chaetodon reticulatus is a bold and elegant choice for hobbyists who value striking patterns and are prepared for its specialized care. Its deep black body, overlaid with a delicate network of white and yellow spots, creates a mesmerizing, lattice-like appearance that commands attention in any aquarium. Aquarists are captivated by its graceful gliding, as it navigates live rock or inspects food sources, exuding a quiet confidence. A spacious 125-gallon tank with ample rockwork and open swimming space accommodates its active nature, while a diet focused on coral-based foods or live zooplankton sustains its health. Its dependence on corals makes it a fish-only tank standout, ideal for experienced keepers willing to meet its unique dietary needs for a truly distinctive display.
Omnivorous; primarily feeds on coral polyps, especially Pocillopora, and some algae in the wild. In aquariums, offer live coral, live zooplankton, frozen mysis shrimp, or specialized coral-based foods. Feed 2-3 times daily in small amounts. May refuse prepared foods initially, requiring live coral or clams to stimulate feeding.
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