The Blue Hippo Tang, also known as the Regal Tang, Pacific Blue Tang, Palette Surgeonfish, or by its scientific name Paracanthurus hepatus, is a widely recognized marine fish, particularly because of its portrayal as “Dory” in the animated films “Finding Nemo” and “Finding Dory.” Here’s an overview of this beautiful species:
- Appearance: The Blue Hippo Tang has a vibrant blue body with a black ‘palette’ design starting from its eye and curving towards the tail. The edges of its tail fin are yellow.
- Size: They can grow up to 12 inches (30 cm) in length, but many are smaller in the aquarium setting.
- Habitat: Native to the Pacific Ocean, this species can be found from East Africa to Japan and southward to Great Barrier Reef of Australia.
- Behavior: These tangs are active swimmers and often display playful behavior. They have a sharp spine on their tail base, known as a “scalpel,” which they use for defense and can cause a painful cut if not handled carefully.
- Diet: Primarily herbivores, their diet in the wild consists mainly of plankton. In the aquarium, it’s essential to provide them with marine-based seaweed and algae. This can be supplemented with high-quality herbivore pellets, flakes, and occasional meaty foods.
- Aquarium Care:
- Tank Size: A minimum of a 100-gallon tank is recommended due to their active swimming nature.
- Water Quality: Stable water parameters, including specific gravity, pH, and temperature, are crucial for their health. Regular water changes and diligent monitoring are needed.
- Tank Mates: They are generally peaceful but can show aggression towards other tangs or similar-looking species. Ensure there’s enough space and hiding spots for all fish to mitigate territorial disputes.
- Environment: A tank with plenty of hiding spots and open swimming areas is ideal. They benefit from well-decorated tanks with live rock formations.
- Reef Compatibility: Blue Hippo Tangs are reef-safe, but it’s always essential to observe any new additions for potential nipping or undesirable behaviors.
- Lifespan: With proper care, they can live up to 10 years or more in captivity.
- Health: This species, like many tangs, is susceptible to marine ich (Cryptocaryon irritans) and other common saltwater fish diseases. Good water quality, a proper diet, and quarantine procedures can help prevent many potential issues.
- Conservation Note: Due to their popularity in the aquarium trade and the impacts of the movies featuring “Dory,” there has been concern about over-harvesting. Opting for tank-raised or responsibly sourced specimens is a conscientious choice.
- Interesting Fact: Despite their seemingly delicate appearance, these tangs can be quite resilient when provided with proper care and a stable environment.
The Blue Hippo Tang is a favorite among marine aquarists due to its striking appearance and engaging behaviors. If considering one for your tank, it’s crucial to ensure that you can meet its care requirements to provide a happy and healthy life for the fish.