The Watanabe's Angelfish is a highly prized reef-safe angelfish celebrated for its soft powder-blue coloration and striking sexual dimorphism. Males feature horizontal blue and black striping along the lower body, while females maintain a sleek, solid pale blue hue with dark accents on the fins and forehead. Belonging to the planktivorous genus Genicanthus, this species open-water feeds and will not disturb soft corals, stony corals, or ornamental invertebrates. They prefer aquariums with strong water circulation, moderate lighting, and ample swimming room.
| Feature |
Specification |
| Scientific Name |
Genicanthus watanabei |
| Care Level |
Moderate |
| Max Size |
15 cm |
| Colour |
Soft blue body with black and white horizontal lower stripes (males). |
| Shape |
Elongated, streamlined angelfish profile. |
| Location |
Pacific Ocean. |
| Diet |
Omnivore (Planktonic foods, mysis shrimp, marine flakes, pellets). |
| Water Temp |
24°C – 28°C. |
| Temperament |
Peaceful. |
| Aquarium Size |
300+ Litres. |
| Reef Safe? |
Yes. |
