Expert
Orangespine unicornfish (Naso lituratus) - Marine Aquarium Livestock UK
24–27°C · pH 8.1–8.4 · 900L
£56.99
A striking Elegant Unicorn Tang for mature, spacious marine aquariums, with reef-safe caution, strong swimming-room needs and algae-led feeding.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Naso elegans
A striking Elegant Unicorn Tang for mature, spacious marine aquariums, with reef-safe caution, strong swimming-room needs and algae-led feeding.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Maintain these water conditions for optimal health and vibrant colors
Naso elegans, also known as the Elegant Unicorn Tang, Blonde Naso Tang or Orange-spine Unicornfish, is a large active marine surgeonfish for mature reef or fish-only marine aquariums. The appeal is obvious: a long elegant body, yellow and blue edging, orange caudal spines and a confident cruising style. The care requirement is just as important: this is not a nano-reef fish and should only be chosen for a system with real swimming length, stable marine parameters and a keeper prepared to feed algae-based foods every day.
The indexed product handle is being preserved because Google already knows the current URL, but the visible page has been cleaned. The old copy pushed broad sales phrases into the title, metadata and media alt text. This version keeps the useful care depth and replaces that wording with natural terms: Naso elegans, Elegant Unicorn Tang, Blonde Naso Tang, marine tang and reef aquarium surgeonfish.
Choose this fish for movement, personality and a strong open-water focal point. Do not choose it as a simple algae-control shortcut. It may graze naturally, but it still needs deliberate nori, marine algae sheets, herbivore pellets and a varied support diet to maintain colour and body condition.
| Care area | Best target | Why it matters |
|---|---|---|
| Care level | Intermediate to expert marine keeper. | Large tangs need stable water, strong diet and careful compatibility. |
| Adult planning | Plan for a fish that can approach 45 cm in nature. | The aquarium must be chosen for adult swimming behaviour, not only sale size. |
| Tank style | Large mature reef or fish-only marine system with open swimming lanes. | Naso tangs spend the day cruising and grazing. |
| Diet | Marine algae, nori, herbivore pellets, and varied frozen support foods. | FishBase records benthic algae feeding; aquarium diets should stay algae-led. |
| Temperament | Generally peaceful, but can be assertive with other tangs. | Introduce carefully and avoid cramped tang-heavy systems. |
Naso elegans has a grey to silver body with a dark facial mask, yellow facial and dorsal highlights, blue trim and orange plates at the caudal peduncle. These orange plates are the surgeonfish spines, so handling should be careful and calm. Mature males can develop longer tail streamers, while younger or medium specimens may show a cleaner, less exaggerated outline. Colour improves with settled conditions, algae-rich feeding and low stress.
| Stage | What to expect | Planning note |
|---|---|---|
| Medium shop size | Settles more easily than a very large adult but still needs space. | Do not buy for a temporary small tank unless a suitable upgrade is ready. |
| Growing fish | Increased appetite, stronger cruising behaviour and more confidence. | Keep feeding frequent and vegetable-led. |
| Adult planning | Large, active tang with strong swimming needs. | Long aquariums with open lanes are better than tall cramped displays. |
FishBase lists Naso elegans from coastal and sheltered reef flats, rocky bottoms and oceanic locations, with feeding based on benthic algae. That ecological picture is why a long, mature, oxygen-rich aquarium is the correct planning baseline. A visually beautiful fish in a tank that is too small will become stressed, disease-prone and difficult to keep in good weight.
Provide high water movement, strong gas exchange, excellent filtration and plenty of open swimming room. Live rock is valuable, but avoid filling the whole display with a wall of rock that blocks cruising space. A layout with open front water, rock grazing surfaces and a secure lid is usually better than a dense aquascape. Keep salinity, alkalinity and temperature stable rather than making frequent corrections.
| System feature | Recommended approach | Avoid |
|---|---|---|
| Swimming room | Long aquarium with clear lanes and minimal obstruction. | Short tanks with heavy rock piles and no cruising space. |
| Oxygen | Strong surface agitation, skimmer and high-flow reef circulation. | Low-flow tanks with warm stagnant corners. |
| Grazing | Live rock plus algae sheets on a clip. | Assuming natural algae alone will feed the fish. |
| Water quality | Stable mature marine system and regular testing. | New tanks, unstable salinity or neglected nitrate/phosphate swings. |
A practical marine target is 24-27C, pH around 8.1-8.4 and stable reef salinity around 1.023-1.026. Keep ammonia and nitrite at zero. Naso tangs are active oxygen-demanding fish, so a tank can look chemically acceptable but still be poor if gas exchange and flow are weak. Stability is the key: sudden salinity or temperature movement is far more stressful than a small difference within a sensible range.
Feed this fish as an algae-led grazer. Use nori or other marine algae sheets, spirulina/herbivore pellets and high-quality marine foods. Add meaty frozen foods such as mysis or krill as a supplement, not the base of the diet. A well-fed Naso elegans is less likely to harass tank mates, less likely to lose condition and more likely to show strong colour.
| Food | Frequency | Notes |
|---|---|---|
| Nori / marine algae sheet | Daily or near daily. | Clip to rockwork and replace before it breaks down. |
| Herbivore pellets/flakes | Small feeds through the week. | Useful for routine nutrition and colour support. |
| Frozen marine foods | Several times weekly as support. | Use variety, but keep the diet plant-led. |
| Natural grazing | All day background behaviour. | Helpful, but not a replacement for planned feeding. |
Naso elegans is usually peaceful with many non-tang reef fish, but it is still a large surgeonfish with caudal spines and a strong feeding response. Avoid cramped systems with multiple similar tangs unless the aquarium is genuinely large and the introduction plan is careful. Suitable companions can include wrasses, clownfish, gobies, blennies, chromis, anthias and other peaceful marine fish that are not going to harass or outcompete it. Browse related groups in our surgeon fish, salt water fish and new arrivals sections.
This species is generally considered reef safe with caution. The main risk is not deliberate coral eating; it is poor feeding, stress, or a fish being forced to explore unsuitable foods because it is hungry. Keep the fish well fed with algae-based foods and avoid placing it in a reef where coral access is good but swimming space and feeding structure are poor.
| Before checkout | What to check |
|---|---|
| Tank readiness | Mature marine aquarium, stable salinity and strong oxygenation. |
| First order | Use WELCOME10 where eligible for 10% off a first order. |
| Livestock delivery | Fish are packed for specialist courier delivery with weather-aware packing. |
| Arrival support | Eligible livestock orders are covered by our Live Arrival Guarantee when the delivery and acclimation steps are followed. |
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