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The blue-lined snapper Lutjanus kasmira
is a species within the family Lutjanidae.
They are endemic to coral reef systems of the Red Sea and
Indo-Pacific. Blue-lined snapper colonies can be found as far south as
Australia. There are also established populations off the shorelines of
the Hawaiian Islands though they are not native to that geographical
location. They were originally introduced to the islands in the 1950s
for sport fishing and as an additional food source. The
commercialization aspect of this species was a dismal failure because
of its low market price. The population itself flourished in their new
environment. Concerns have since been expressed about the long-term
ecological effect of introducing an entirely new species into an
every bit as exotic as the region of the
world it comes from. It has a slightly rounded body with a pointed
triangular head giving it the general shape op a teardrop. The most
prominent feature of this fish is the four sky blue racing stripes
stretching horizontally across its yellow body, hence the name
blue-lined snapper. This fish is also referred to as a blue-striped
snapper or a blue-lined perch.
a schooling fish. In nature they hover
around coral reef formations in groups by the thousands.
This is a
larger species that can reach up to 16 inches in length. They are an
active species and require plenty of open space to swim in. Because
they are schooling fish it is recommend that a minimum of six be added
to an aquarium. They should introduce them to their new surroundings as
a group. These snappers do not react well to newcomers once they have
established a sense of community. If you plan on keeping blue-lined
snappers your aquarium should be 100 gallons at the very least.
These fish are
have problems transitioning into a life of
captivity. Their colors often fade after they are removed from their
native habitats. They are prone to diseases in the smaller confines of
an aquarium. Getting them to feed in their new surroundings also
presents a challenge. The combination of all the conditions and
requirements outlined in the last two paragraphs explains the
unlikelihood that you will see them in anything other than a commercial
aquarium. However if they successfully acclimate to their new habitat
you can expect them to live in excess of 25 years of age.
This is a carnivorous
species. In the wild they feed primarily on
small crustaceans. In captivity you can expect them to turn their nose
up at common fish food formulated for marine carnivores. Feeding them
live brine shrimp or finally chopped fresh food from your grocer such
as crab or shrimp may persuade them to start feeding. If you can get
them to eat you will greatly increase the chance that they will
successfully acclimate to aquarium life.
commonly found in home aquariums, they can be
found in abundance in the fish markets of many countries around the
world. They are in fact the primary catch of Hawaiian hand-line
fisheries despite their low market prices.
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