Description
Blonde Naso Tang (Naso elegans)
Overview
The Blonde Naso Tang (Naso elegans) is a spectacular marine fish, highly prized in the reef hobby for its dramatic coloration, unique “mask,” and generally peaceful demeanor compared to other tang species. It is a close relative of the standard Naso lituratus, and they share very similar care requirements.
- Temperament: Semi-aggressive (territorial toward other tangs, peaceful with others)
- Reef Safe: Yes
- Max Size: Up to 46 cm
- Origin: Indian Ocean (the key distinction from the Pacific-native Naso lituratus)
Care Requirements
- Tank Size: A minimum of 600+ litres is required. Because they are large, fast-swimming, and active fish, a long tank (180cm or more) is essential for their long-term health and to prevent stress.
- Lid: A tight-fitting mesh or netting lid is mandatory. Like most surgeonfish, they are capable of jumping if startled.
- Aquascape: They require substantial open swimming space. Ensure your rockwork is secure, as these large fish can easily dislodge poorly placed structures.
- Water Parameters:
- Temperature: 22–26°C
- pH: 8.1–8.4
- Salinity: 1.020–1.025 SG
Maintenance
Consistent maintenance ensures health, vibrant coloration, and longevity.
- Water Changes: 10-20% weekly using RO/DI water matched to tank parameters.
- Filtration: Use a protein skimmer, canister filter, or refugium. Add activated carbon to remove toxins.
- Testing: Weekly checks for pH, salinity, ammonia, nitrite, nitrate, and phosphate using reliable kits.
- Cleaning: Siphon detritus during water changes; clean filters monthly. Monitor algae growth, as the tang grazes but requires supplemental feeding.
- Handling: Use caution due to sharp caudal spines, which can cause painful cuts. Transfer using a container, not a net.
Diet
- Primary Diet: They are herbivores. Their health is directly tied to a steady, high-quality intake of vegetable matter.
- Feeding: Offer dried seaweed (Nori) on a veggie clip at least 3–4 times per week. They will also graze on naturally occurring film and filamentous algae on your live rock.
- Supplementation: While they will readily accept meaty frozen foods (mysis, brine shrimp, etc.), these should be secondary to their vegetable intake. Using vitamin-enriched foods can help prevent Head and Lateral Line Erosion (HLLE), a condition to which large tangs are susceptible.
Behavior & Compatibility
- Visual Distinction: The Naso elegans (Blonde Naso) is distinguished from the Naso lituratus by the yellow coloration on its dorsal fin, whereas the Naso lituratus typically has a black dorsal fin.
- Compatibility: They are generally peaceful toward most tank mates, but they can be territorial toward other tangs—especially those with similar body shapes or feeding habits.
- The “Scalpel”: Like all surgeonfish, they have sharp, modified scales (the “scalpel”) at the base of their tail. They use these for defense; exercise extreme caution when netting the fish, as they can easily damage nets or cause injury.
Tips
- Acclimation: They can be sensitive to the stress of moving. Ensure your specimen is actively eating in the store before bringing it home.
- Water Quality: Because they are large fish that consume significant amounts of food, they create a high bioload. A powerful, efficient protein skimmer is a necessary component of your filtration system to maintain low nitrate and phosphate levels.
- Avoid Overcrowding: Do not keep a Blonde Naso Tang in a tank that is already stocked with other large, aggressive, or high-swimming-volume fish. They need room to establish their territory without constant conflict.
Picture for illustrative purposes only. Either come in store to view available stock or request pictures to be sent to you.
Please Note: Due to variations within species resulting from age, region, sex, etc., the actual livestock may not look identical to the image. Approximate size range may also vary between individual specimens.
