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Family Chaetodontidae
Butterflyfishes
Genus Heniochus
Pennantfishes &
Bannerfishes
HAWAII
Heniochus diphreutes
Koko Head Wall, Oahu, 40 feet
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Juvenile, Makua, Oahu, 30 feet |
Rapture Reef, French Frigate Shoals, 75 feet |
Lanai Lookout, Oahu, 40 feet |
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PENNANT BUTTERFLYFISH
| Japanese name |
Mure-hatatatedai |
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| Habitat |
Open water near ledges and walls |
| Depth |
50 to 700 feet |
| Diet |
Feeds upon zooplankton high above the reef |
| Size |
7 inches |
| Abundance |
Fairly common in areas exposed to strong currents |
| Distribution |
Cooler waters of the Indo-Pacific and Red Sea; Hawaii, Japan,
Australia, New Zealand, Indonesia, New Guinea, Philippines, Maldives,
Mascarenes, South Africa |
| Notes |
Forms large aggregations; large scales distinguish it from the
Moorish Idol |
| Similar species |
Heniochus acuminatus, Zanclus cornutus |
INDO-PACIFIC
Heniochus acuminatus
Breakers Point, Tutuila, American Samoa, 50 feet
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LONGFIN BANNERFISH
| Japanese name |
Hatatatedai |
| Samoan name |
Laulaufau-laumea |
| Habitat |
Reefs |
| Depth |
15 to 300 feet |
| Diet |
Zooplankton and benthic invertebrates |
| Size |
8.5 inches |
| Abundance |
Fairly common |
| Distribution |
Indo-Pacific from East Africa to the Persian Gulf, Japan and French
Polynesia, absent from Hawaii |
| Notes |
Forms pairs and remains close to the bottom, may clean parasites from
other fishes |
| Similar species |
Heniochus diphreutes has a shorter snout
and forms aggregations high above the reef; subtropical |
Heniochus singularius
Wakatobi, Indonesia
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SINGULAR BANNERFISH
| Japanese name |
Shima-hatatatedai |
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| Habitat |
Deep lagoons and reef dropoffs |
| Depth |
To 130 feet |
| Diet |
Coral polyps |
| Size |
12 inches |
| Abundance |
Uncommon |
| Distribution |
Andaman Sea to Southern Japan and Samoa |
| Notes |
A wary species; black scales have light centers, white scales have
dark spot and edge |
| Similar species |
Heniochus monoceros has yellow on the anal fin, solid black
scales, interrupted black bar on face |
Heniochus monoceros
Moon Beach, Okinawa, 15 feet
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MASKED BANNERFISH
| Japanese name |
Oni-hatatatedai |
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| Habitat |
Coral reefs and lagoons |
| Depth |
To 130 feet |
| Diet |
Coral polyps |
| Size |
12 inches |
| Abundance |
Uncommon |
| Distribution |
Indo-Pacific, East Africa to Japan and Pitcairn Island, absent from
Hawaii |
| Notes |
A wary species, less common than H. singularius in the Central
Pacific |
| Similar species |
Heniochus singularius lacks yellow on the anal fin |
Heniochus varius
Juvenile, Rainmaker Point, Tutuila, American Samoa, 45 feet
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Wakatobi, Indonesia |
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HUMPHEAD BANNERFISH
| Japanese name |
Tsuno-hatatatedai |
| Samoan name |
Laulaufau-laumea |
| Habitat |
Deep lagoons and reef dropoffs |
| Depth |
To 75 feet |
| Diet |
Coral polyps and invertebrates |
| Size |
7.5 inches |
| Abundance |
Fairly common |
| Distribution |
Indonesia to Japan and the Society Islands |
| Notes |
Forms small groups |
| Similar species |
Heniochus pleurotaenia from the Indian Ocean |
Heniochus chrysostomus
Faga'alu, Tutuila, American Samoa, 10 feet
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Wakatobi, Indonesia |
Faga'alu, Tutuila, American Samoa, 10 feet |
Faga'alu, Tutuila, American Samoa, 10 feet |
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PENNANT BANNERFISH
| Japanese name |
Minami-hatatatedai |
| Habitat |
Coral reefs |
| Depth |
To 130 feet |
| Diet |
Coral polyps |
| Size |
7 inches |
| Abundance |
Common |
| Distribution |
Indo-Pacific from India to Japan and Pitcairn Island, absent from
Hawaii |
| Notes |
Forms pairs |
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