Longfin Bannerfish SML

Longfin Bannerfish SML

Bannerfish Longfin

Longfin Bannerfish MED

Horned Bannerfish - Medium

Horned Bannerfish - Medium

Longfin Bannerfish SML

Heniochus Acuminatus

The Longfin Bannerfish is an attractive popular fish that is relatively hardy and easy to take care of.

Availability: Out of stock

Longfin Bannerfish


The Longfin Bannerfish is a peaceful fish that can be housed with other peaceful fish. If you are keeping it with other Bannerfish then introduce them to the tank at the same time.

The long filament part of their dorsal fin is white. The rest of the dorsal fin and caudal fins are yellow. Its body has 2 black bands running down it.

Longfin Bannerfish are difficult to breed. They are pelagic spawners, releasing their eggs into the planktonic water column. The eggs float with currents until hatching.

There aren’t any distinguishing sexual characteristics between male and females. Studies of Bannerfish state that they are gonochronistic (do not change sex).

Once acclimatized to a tank environment these fish are durable and do not need any special care or attention.

In the wild Longfin Bannerfish are usually occupy outer reef slopes, channels and lagoons. Adults usually live in pairs, while juveniles are solitary.

Longfin Bannerfish can be found across the Indo-Pacific region, including the East African Coast, Red Sea, Indonesia southern Japan and Australias’ Great Barrier reef.

Tank Recommendations for the Longfin Bannerfish

Smallest recommended tank size fot these fish is 125 gallons (473 liters).

Longfin Bannerfish are not considered reef safe and are better suited to Fish Only With Live Rock (FOWLR) aquariums. They need plenty of space for swimming and good water movement.

A suitable aquarium should contain plenty of live rock with caves and overhangs for hiding and shelter. Substrate should be a mix of coral and sand.

Suitable Tank Buddies

These fish have a peaceful temperament and can be housed with a variety of species, including their own kind.

If they are housed with conspecifics it is recommended to keep odd numbers so can develop a social hierarchy. Co-habiting pairs may result in one fish dominating the other.

Usually Compatible

Longfin Bannerfish can be housed with conspecifics in odd numbers. Other suitable tank buddies include Gobies, Dartfish, Anthias and Dwarf Angels.

Sometime Compatible

Care should be taken when housing Longfin Bannerfish with Damsels, Dottybacks, 6 & 8 line Wrasse, Tangs, Large Angels, Seahorse and Pipefish.

Rarely Compatible

Avoid housing Longfin Bannerfish with larger aggressive predators such as Lionfish, Groupers, Sharks and Ray

Longfin Bannerfish are easy to source, inexpensive and suitable for beginner aquarists.

Feeding Your Longfin Bannerfish

Longfish Bannerfish in their natural habitat are planktivores, but also consume benthic invertebrates. In captivity they will eat a variety of meaty foods such as worms, shrimp, and fish.

Vegetables products such as spirulina formula and herbivore preparations are suitable. They will also accept food flakes and pellets. Adults should be fed 2 times per day, small juveniles 3-4 times per day.

More Information
Scientific Name Heniochus Acuminatus
Care Level Easy
Common Names Longfin Bannerfish, Heniochus Black & White Butterflyfish, Bannerfish, Featherfin Coralfish, Pennant Coralfish, Wimple Fish, Threadback, Coachman, and Reef Bannerfish
Diet Omnivore
Fish Family Chaetodontidae
Lifespan (years) 5
Max. Length (cm) 21.5
Min. Tank Volume (l) 473
Origin Indo-Pacific region, including the East African Coast, Red Sea, Indonesia southern Japan and Australias’ Great Barrier reef
Reef Safe No
Sociability Peaceful
Venomous No
Water Conditions 22.2-25.5° C (72-78° F), dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
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