Scientific Name:
Acanthurus lineatus
Other Common Names for the Clown Tang:
Clown Surgeonfish - Lined Surgeonfish - Blue-banded Surgeonfish

Description:

The Clown Tang is found widespread from the Western Indian Ocean to the central Pacific Ocean. The coloration of these tangs can vary a little between each specimen. In general, they have a bright yellow to bright orange body with a grayish belly. They are adorned with several blue stripes running horizontally along their bodies as well as bluish markings on their pectoral, anal, and dorsal fins. They will use their spines as a weapon against other fish that threaten them. A Clown Tang can reach up to 15 inches in length and requires an aquarium of at least 250 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 Clown Tang can reach up to 15 inches and requires an aquarium of at least 250 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.

Clown Tangs can be aggressive to other tangs, but are usually peaceful with other non-Tang species 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 Clown Tang well-fed will reduce aggression in your reef. If you intend to keep fish, a netted lid is recommended.

AcanthurusClownMarinefishReefchaserSurgeonfishTang

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