Desjardin Sailfin Tang
Scientific Name:
Zebrasoma desjardinii
Other Common Names for the Desjardin Sailfin Tang:
Desjardin's Sailfin Tang - Red Sea Sailfin Tang - Red Sea Sailfin Surgeonfish - Indian Ocean Sailfin

Description:

Desjardin Sailfin Tangs can be found widespread in the Indian Ocean from the northern Red Sea to KwaZulu-Natal Province in South Africa and as far east as India and Java. The coloration of this particular tang may vary from one individual to another and within the same individual, depending on age. In general, the upper side of the body alternates orange and dark blue vertical bands, with a larger blue band on the eyes, a spotted ventral region and numerous white spots on the head. Their dorsal and anal fins have a pattern of horizontal alternate orange and blue bands. The caudal fin shows white spots and lines. They will use their spines as a weapon against other fish that threaten them. The Desjardin Sailfin Tang can reach up to 15 inches in length and requires an aquarium of at least 125 gallons with live rock and plenty of room to swim.

Diet:

Tangs, in general, are primarily herbivores. They need rocks to graze on as their diet is primarily marine algae. For tanks on the smaller side that have less live rock to grow algae, you will need to supplement your tang’s diet with Nori or other vegetable matter like Nori, Romaine lettuce, spinach leaves, or broccoli. They also will accept flake foods and sometimes small meaty offerings like Mysis shrimp. A good variety of foods will keep your tang healthy and vibrant. A well-fed tang won’t pick at your corals, but there is always a possibility if there is no algae or Nori present. Also, a well-fed tang has less chance of developing HLLE (Head and Lateral Line Erosion). HLLE can be fatal depending on severity and can leave lasting scars on the tang.

Behavior:

As stated earlier, a Desjardin Sailfin Tang can reach up to 16 inches and requires an aquarium of at least 120 gallons with live rock and plenty of room to swim. Tangs, in general, will spend their days swimming from one side of the aquarium to the other, picking on any algae growing on your live rock or frag plugs. In the ocean, tangs swim great distances every day. This should give you an idea of how much swimming space a tang will need to be satisfied in your tank. It is also recommended that your tank be wider than it is tall, to allow them more space to swim. Without ample space to swim, a tang can become stressed and will be very prone to diseases like Ich.

Desjardin Sailfin Tangs can be very aggressive to other tangs of the Zebrasoma genus, but are usually peaceful with fishes and non-Zebrasoma tangs after they establish their place in the pecking order of the tank.  With the spines built into their tails, they are usually at the top of that pecking order. Keeping your Desjardin Sailfin Tang well-fed will reduce aggression in your reef. If you intend to keep fish, a netted lid is recommended. 

DesjardinMarinefishReefchaserSurgeonfishTangZebrasoma

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