Butterflyfish or Chaetodon
auriga belong to the family Chaetodontidae
which is comprised of 120
10 different genera. This family is more commonly referred to as
This species is native to the indo-Pacific. Populations can be found
the Red Sea, as far north as Japan
down the entire length of East Africa to as far south of Lord Howe
situated southeast of Australia.
Its natural habitat also extends from the Red Sea to the Hawaiian Islands.
These fish occupy depths from surface
level to approximately 100 feet.
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This is by far one of
exotic butterflyfish marketed by the aquarium trade. It has a white,
elongated snout with a black vertical bar from its eyes to the bottom
head. Its predominantly white body is striated with a pattern of
descending oblique grey lines. This white and grey patterning darkens
to a grey
or black on yellow on the upper part of its posterior. Dorsal, anal and
fins are bright yellow. As it matures, this species develops a trailing
filament on the back of its dorsal fin that extends passed it tail fin.
tread-like extension is why they are called threadfins. This species
has an eyespot on the back of its dorsal fin. This false eye is not
present on specimens from the Red Sea.
this fish is
called Kapuhili. It is often sold under the names Auriga Butterflyfish,
This is one of the
around choices among butterflyfish for a community tank. It is hardier
most butterflies and comes with an easy care rating. Many butterflyfish
for only expert level aquarists. This species can be raised by more
hobbyists. Threadfins grow can grow up to 9 inches in length as adults
require a minimum tank size of 75 gallons. This species makes a
addition to fish-only tanks but is not suitable for marine reef
Most butterfly species
classified in the semi-aggressive category. This particular species is
more docile nature. They are quite shy for butterflyfish and will
plenty of hiding places. They will however display aggressive behavior
conspefics (members of their own species) and fish of similar color
Multiples can be kept in larger aquariums if introduced simultaneously,
preferably as juveniles. A male-female couple will often forage for
separately and then perform a greeting display upon
reuniting. They will
spend most of their time swimming in close proximity of one another.
threadfin’s easy care rating and mild mannered temperament
has made them one of
the most popular butterflies in home aquariums.
This is an omnivorous
its natural habitat its diet includes; sessile invertebraes, most large
stony coral polyps, feather dusters and fanworms and algae.
In an aquarium it
provided with plenty of live rock to graze on. In exchange it will
service of ridding your live rock of aiptasia anemones. Most aquarists
this species a pest. They are quite frequently accidentally introduced
aquarium with the addition of live rock. Once present they are
to get rid of. If your aquarium suffers from aiptasia infestation you
consider purchasing a threadfin.
These fish are not
They will readily accept common variety food fare. They will also
preparations not intended for them. This is fine as long as their total
consumption is a well balanced combination of plant, animal and algae
Dried algae sheets, chopped broccoli and asparagus are good
As with most
species is a sequential hermaphrodite. The introduction of two
an aquarium will result in a male-female pair. This fish seldom breeds