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Information at
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Sea
Urchins
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Sea Urchins
are round interesting spheres, with the spines extending. Sea
Urchins make great additions to marine aquariums, consuming undesirable
algae and detritus within the tank. |
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Assorted
Colored
Pin Cushion Urchin
Lytechinus
vaniegatus
The Pincushion Urchin
is a small Urchin that has sharp protruding spines. They grow
to only 2-3 inches. In Nature, these spines serve as their defense
mechanism from predators. All Urchins are nocturnal and do most
of their grazing at night. During the day they will usually stay
stationary on the aquarium glass, or in hiding spots in rockwork.
Urchins are excellent algae eatersl and ike rockwork that they
can crawl and feed on.
A great choice for the aquarium. They will use a series of tube
feet on their underside to move about the tank in search of algae
and detritus. They will scour the rockwork, glass and sandbed.
Their colors range from all white, to white with pink or purple
spikes, and sometimes they are all purple or all pink. Urchins
are completely reef-safe. |
REEFSAFE
$9.99 ea. - 3 for $27.00 |
Long Spiny Urchin
Diadema
setosum
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These urchins are
excellent algae controllers for an aquarium housing aggressive
fish. The Black Longspine Urchin, also known as Long-spined Sea
Urchin, has a body which is predominately black with a red eyespot
in the center. The spines on these urchins are long, thin and
completely black. During the day, it will hide among the rocks,
in crevices, or under plants in a sandy substrate. At night,
it will emerge to graze on the algae present in or near its home.
It is sensitive to high levels of copper-based medications and
it will not tolerate high nitrate levels. If it starts to lose
a number of spines, it is often due to poor water conditions. |
REEFSAFE
$16.99 each |
Red Slate Urchin
Heterocentrotus
mammilatus
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The Red Slate Pencil
Urchin comes from Hawaii and is also known as Slate Pencil Urchin.
It has a reddish-tan body with long, solid spines that taper
at the tips and radiate out from the body in all directions at
lengths of up to five inches. During the day, it will hide among
the rocks, in crevices, or under plants in a sandy substrate.
At night, it will emerge to graze on the algae present in or
near its home. It is sensitive to high levels of copper-based
medications and it will not tolerate high nitrate levels. If
it starts to lose a number of spines, it is often due to poor
water conditions. |
REEFSAFE
$29.99 each |
Pencil Urchin
Eucidaris
tribuloides
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These urchins are
excellent algae controllers for an aquarium housing aggressive
fish. Pencil Urchins have a brown, sometimes mottled body with
stubby, thick spines radiating out in all directions. The spines
are surrounded by basal plates. Never try to pry it out of a
hole, as you will break its spines before it lets go. As it gets
older, its spines may become covered with coralline and other
types of algae. During the day, it will hide among the rocks,
in crevices, or under plants in a sandy substrate. At night,
it will emerge to graze on the algae present in or near its home.
It is sensitive to high levels of copper-based medications and
it will not tolerate high nitrate levels. If it starts to lose
a number of spines, it is often due to poor water conditions. |
REEFSAFE
$8.99 ea. - 4 for $30.00 |
Blue Tuxedo
Urchin
Mespilia
globulus
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These urchins are
excellent algae controllers for an aquarium housing aggressive
fish. The Tuxedo Pincushion Urchin, has five to ten broad-colored
bands usually blue or black, with red, brown, or dark spines.
This very striking combination, gives it the "formal"
look and thus the name "Tuxedo Urchin." During the day, it will
hide among the rocks, in crevices, or under plants in a sandy
substrate. At night, it will emerge to graze on the algae present
in or near its home. The Tuxedo Pincushion Urchin generally roams
alone, but several of them could be housed in the same aquarium
if it is large enough to provide them with adequate food (algae)
and shelter. It is sensitive to high levels of copper-based medications
and it will not tolerate high nitrate levels. If it starts to
lose a number of spines, it is often due to poor water conditions. |
REEFSAFE
$29.99 each |
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