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Copperband
butterflyfish
Chelmon rostratus
Family
Chaetodontidae
updated
Sep 09
if you
learn only 3 things about it ...
Has a false eye to distract potential predators.
This fish forms monogamous pairs.
It
does poorly in a home aquarium, Don't collect them. |
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Where
seen? This gaily patterned fish is commonly seen on many
of our shores, among coral rubble and near reefs. It is said to be
more active during the day, but those seen at night were quite frisky.
Features: To about 20cm, those
seen during low tide usually about 4-8cm. Four bands across the body
which are orange or yellow edged in black and white. A pointed snout
and a distinctive white-ringed black eye spot on the dorsal fin. The
pelvic fins are bright orange and yellow. Usually seen alone or in
pairs. It is sometimes called the Beaked coralfish.
Adults have proportionally taller fins and usually found in monogamous
pairs, swimming in the open near the sea bottom. Juveniles are solitary,
more secretive and found in shallower water.
What does it eat? It eats mostly
worms.
Human uses: Unfortunately these
beautiful fishes are popular in the live aquarium trade although they
are considered among the most difficult to keep and feed.
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Sentosa, Oct 03

Pointed snout to nibble on small things.
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Fish traps
left on the intertidal often contain several of these beautiful
fishes. Sometimes, they are already dead as the trap is exposed
out of water.
Status and threats: The
Copperband butterflyfish is not listed among the threatened
animals of Singapore. But like other creatures of the intertidal
zone, it is affected by human activities such as reclamation
and pollution. Over-collection can also have an impact on local
populations.
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They are often caught in fish traps
Kusu Island, Jun 04
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It almost disappears when seen
from above or head on.
Sentosa, Oct 03
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Copperband
butterflyfishes on Singapore shores

Pulau Sekudu, Jul 04
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Pulau Sekudu, Jul 08
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Chek Jawa, Jun 06
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Links
References
- Allen, Gerry,
2000. Marine
Fishes of South-East Asia: A Field Guide for Anglers and Divers
.
Periplus Editions. 292 pp.
- Kuiter, Rudie
H. 2002. Guide
to Sea Fishes of Australia: A Comprehensive Reference for Divers
& Fishermen
New Holland Publishers. 434pp.
- Lieske,
Ewald and Robert Myers. 2001. Coral
Reef Fishes of the World
Periplus Editions. 400pp.
- Lim, S.,
P. Ng, L. Tan, & W. Y. Chin, 1994. Rhythm of the Sea: The Life
and Times of Labrador Beach. Division of Biology, School of
Science, Nanyang Technological University & Department of Zoology,
the National University of Singapore. 160 pp.
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