The fringed ornamental tarantula is a special spider from Sri Lanka. A smart scientist named Reginald Innes Pocock talked about this spider for the first time in 1899. Want to discover more about it? We’ve got some cool facts to share with you about this unique spider!
Size: These tarantulas are quite large, measuring between 7-8 cm (2.7-3.14 in).
Color: The dorsal side of these beetles has a yellowish-green or violet tinge. Their limbs are covered with reddish-brown setae and yellow markings.
Other Characteristic Features: They are the second-largest spider of its genus, after Poecilotheria rufilata.
Eggs
The eggs of this spider are orange, with around 50-100 eggs being laid every time.
Spiderlings
Juveniles mature after around a year.
The Web
They make asymmetric funnel webs inside the holes of hollow trees.
Are Fringed Ornamental Tarantulas Venomous?
Yes, Fringed Ornamental Tarantulas have venom. They mostly use it to grab their meals.
Can Fringed Ornamental Tarantulas Bite?
They can bite, but they’re usually calm. If they feel threatened or cornered, they might bite to defend themselves. While there have been no recorded deaths, the bite of these spiders has been known to cause intense pain and muscle cramps.
Ecological Importance and Behavior of Fringed Ornamental Tarantula
The Fringed Ornamental Tarantula plays a crucial role in its habitat as a predator. By feeding on insects such as beetles, crickets, and termites, it helps control the population of these species, contributing to the ecological balance of the forest.
Natural Predators: Despite their venom and impressive size, Fringed Ornamental Tarantulas have natural predators, including birds, mammals, and reptiles, which can threaten their survival in the wild.
Prey-Predator Dynamics: The tarantula’s venom is a vital tool for subduing prey, ensuring it can feed and survive. This dynamic highlights the tarantula’s role as an apex predator within its ecological niche.
Relationship with Humans: While Fringed Ornamental Tarantulas may not interact with humans frequently, they are sometimes kept as pets by arachnid enthusiasts. In the wild, their bites to humans are defensive, not aggressive, and there have been no deaths attributed to them, although their bites can be painful.
Beetles, crickets, grasshoppers, moths, and termites
Did You Know
This spider has a mutualistic relationship with frogs like Nagao’s pug-snout frog. They often lay their eggs in the same hollow, with the spider protecting the frog from predators and the frog protecting the eggs from ants.
In conclusion, the Fringed Ornamental Tarantula is an essential part of the forest ecosystem in Sri Lanka.
A Fringed Ornamental Tarantula has a distinct yellowish-green or violet tinge on its dorsal side. Its limbs are covered with reddish-brown hairs and feature prominent yellow markings. As a large species, adults reach a body length of 7-8 cm, making them the second-largest tarantula in their genus.
A bite from a Fringed Ornamental Tarantula is considered medically significant but is not recorded to be fatal. The venom can cause intense localized pain, severe muscle cramps, and significant swelling. Due to the severity of these symptoms, it is crucial to seek professional medical attention immediately after any bite.
The Poecilotheria ornata builds an asymmetric funnel web, typically located within the hollows of trees in its native arboreal habitat. This web serves as both a secure retreat and an effective trap for capturing insects and other prey that wander too close to the spider’s hiding spot.
The Fringed Ornamental Tarantula serves as a crucial predator within its Sri Lankan forest ecosystem. It helps maintain ecological balance by controlling the populations of various insects, such as beetles, crickets, and termites. This predatory behavior prevents certain insect species from becoming overabundant in their natural habitat.
A Poecilotheria ornata typically takes approximately one year to mature from a spiderling into an adult. This growth rate can be influenced by environmental factors like temperature, humidity, and food availability. During this time, the juvenile molts several times, gradually increasing in size and developing its adult coloration.
Fringed Ornamental Tarantulas are not considered inherently aggressive but are known for being highly defensive and fast. They prefer to flee from threats but will adopt a threat posture and bite if they feel cornered. Their speed and potent venom require keepers to handle them with extreme caution.
A female Fringed Ornamental Tarantula typically lays between 50 and 100 eggs within a single egg sac. These eggs are characteristically orange in color. The mother guards the sac diligently, protecting it from predators and environmental threats to ensure the survival of her offspring until they hatch.
Dr Richard J. Pearce (PhD) on May 25, 2022.
Spider Team
