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Blue dot Stingray or Taeniura
lymma is a member of the
This species is indigenous to the
tropical water coral reef systems of the Indo-Pacific, from
to northern Australia.
Significant populations stretch from North Central to North West
along the entire length of
the Great Barrier Reef and south to
northern New South Wales.
This species is currently listed as Near Threatened by IUCN
for Conservation of Nature) due to habitat degradation and over
have roamed the oceans
since long before man declared the planet Earth his eminent domain.
have unearthed stingray fossils dating back to over 65 million years
predating the mass extinction of giant marine reptiles. Ancient
no strangers to this exotic beast. The Greeks knew the stingray as
Romans, pastinaca. Hercules, although half-god, lost his finger to the
a giant stingray. The great Greek Hero, Odysseus, was accidentally
slain by his
son Circe after his grandfather presented him with a spear tipped with
spine of a stingray.
are cartilaginous fish
like their boneless relatives the shark. Blue dot stingrays are
greenish tan in
color with pale blue polka dots of varying size sprinkled across the
section of their body. This ray’s body and pectoral fins form
a single oval
disc shaped unit. The blue dot is not a particularly large ray. Its
disc only reaches
a maximum of 12 inches in diameter when fully grown. Its tail will grow
approximately 1.5 times longer than its body. Their tails have a bright
line on each side forming an elongated triangle at the tip. Like most
the blue dot has venomous barbs on its tail used for self-defense. Blue
are also sold by the aquarium industry as blue spotted stingrays, and
bluespotted ribbontail rays.
are bottom dwelling
species. They instinctively cover themselves with sand as a means of
Stingrays should only be kept in aquariums with a sand substrate.
substrates can damage the stingray’s underbodies and lead to
infection. Never expose a stingray to copper-based medications. This
in the animal’s death.
dots will require and
absolute minimum tank size of 150 gallons with the majority of the
surface area left unadorned. A larger aquarium is preferable. This ray
actually make a suitable candidate for a multi-species fish-only
rarely concern themselves with the coming and going of overhead species
as their substrate domain is not intruded upon. Their barbed
not used as a means of predation. However they will not hesitate in
against an aggressor or even a fish curious enough to start poking
them. These rays are rated as an aggressive species by the aquarium
is due to their predatory instinct and venomous nature. These are not
particularly aggressive creatures but the utmost care should be taken
handling one or performing routine aquarium maintenance.
dots are rated for expert
aquarists only. The two main contributing factors to this advance care
are related to its poor adaptation to captivity and its overall
is a hardy species in its natural habitat. Unfortunately it
arrives to retailers in pristine condition. Nursing this species back
is often complicated by its reluctance to feed in captivity. If you
live in the
Untied States, you may want to look into purchasing a California
stingray as opposed to one that
is shipped from halfway across the planet. They will generally arrive
better condition. They are, however, a larger species of ray and will
even bigger aquarium.
not eat when it is first introduced to your tank, try feeding it ghost
or small pieces of cleaned squid. It may or may not adapt to frozen and
dried food preparations. Chopped shrimp, scallops, squid and fish will
plenty of nutritional value. Once it starts feeding, it will eat any
crustacean that happens to be living in your tank. They are not
marine reef habitats.
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