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Blueline Angelfish
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Blueline Angelfish (Chaetodontoplus septentrionalis)
Additional locales and sizes may be available!

Quick Stats

Care Level Difficult
Temperament Semi-aggressive
Color Form Black, Blue, Yellow
Diet Omnivore
Reef Compatible With Caution
Water Conditions sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4
Max. Size 8"
Origin China
Family Pomacanthidae
Minimum Tank Size 180 gallons
Compatibility View Chart
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The Blueline Angelfish, also known as the Bluebanded Angelfish, has been likened to a butterflyfish in body structure. This unique fish is only available on a seasonal basis in the summer months. As a juvenile this species can be recognized by its dark black body with iridescent blue horizontal stripes, along with a yellow bar that runs vertically behind the eye. The dorsal and anal fins are outlined in white and the caudal fin is bright yellow. As an adult a yellow to tan body with vibrant blue horizontal stripes identifies this fish.

The Blueline Angelfish is a relatively shy species when first introduced, but will adapt quickly to a well established aquarium. Providing a quietly-located aquarium with non-aggressive tank mates and plenty of hiding places is ideal. A minimum of a 180 gallon tank or larger provided with live rock for grazing will also help provide an optimal environment. The Blueline Angelfish is prone to nip at stony and soft corals (sessile invertebrates) and clam mantles. It will also graze on microalgae, filamentous algae, and diatoms.

The diet should consist of mysis or finely shaved frozen shrimp, quality marine pellet food, clams on the half shell, and other meaty items, along with algae and sponge.

Approximate Purchase Size: Juvenile: Small 1" to 2"; Medium 2" to 2 3/4" Changing: Small 1 1/2" to 2 1/4"; Small/Medium 2 1/4" to 3 1/2" Adult: Medium 3 1/2" to 5"; Large Adult: 5" to 7"

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