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Phidippus regius isla Juventud

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Phidippus regius isla Juventud

Name Dutch: Royal Jumping Spider
Scientific name: Phidippus regius isla Juventud
Age: On average 2 to 3 years
Height: Men 6 – 18mm and women 7 – 22mm
Day temperature: Average 26 – 28 degrees
Humidity: 40-70%
Activity: Day active
Legislation: None
Stay: Terrariums
Size Young Jumping Spider: 5 x 5 x 7 cm
Size Adult Jumping Spider: 20 x 20 x 30 cm

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The Phidippus regius Isla Juventud, also known as the Royal Jumping Spider, is a remarkable spider species due to its unique characteristics, active lifestyle and fascinating appearance. Found in sunny North America, specifically an island in Cuba called Isla de la Juventud, this spider exhibits the characteristics of the Phidippus regius family and is known for its active lifestyle and colorful appearance.

With an average size of about 18 mm for adult females and 14 mm for males, the Royal Jumping Spider has a compact and stocky body shape. This allows it to move nimbly between leaves and branches, cleverly hiding from potential predators.

In terms of color, the Royal Jumping Spider exhibits a striking pattern, ranging from deep black to rich and warm brown tones. Sometimes there can also be striking iridescent accents, making this spider a visually impressive display.

The behavior of the Royal Jumping Spider is as captivating as its appearance. Equipped with excellent visual organs, these spiders nimbly stalk their prey. With powerful hind legs they can then make impressive jumps to catch their prey.

Jumping spider Juventud

The appearance of the Royal Jumping Spider (Phidippus regius Isla Juventud)

The Isla Juventud Jumping Spider is a remarkable spider with a unique and intriguing appearance.

The size of the Isla Juventud Jumping Spider varies, with adult females generally larger at around 18mm in size than the males, which are around 14mm.

The body shape of the Isla Juventud Jumping Spider is compact and stocky. The body is wider than it is long and has a flattened appearance, helping the spider to maneuver nimbly between leaves and branches and hide from potential predators.

The color of the Isla Juventud Spring Spider is a beautiful variation from deep black to rich and warm brown tones. Color can vary in each individual, with females often displaying bright colors with little black on the upper part of the thorax. Male specimens generally have a black base color with white spots. Sometimes they display deeply iridescent green, purple and blue hues on their mandibles, adding to their striking and enchanting appearance.

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Is my Jumping Spider a Male or a Female?

Determining the sex of a jumping spider requires some patience and attention to subtle characteristics that only become clearly visible as the spider ages. It is therefore advisable to wait until the jumping spider reaches the fourth molt stage (FH4), which brings the spider closer to the sub-adult stage or adulthood.

Jumping Spider Juventud Male

Male Royal Jumping Spider 

Male jumping spiders are always smaller than females and have a black and white color scheme, with distinctive green and blue teeth.

  • Size: Measuring up to 18mm, males are smaller than females.
  • Color: A typical black and white color scheme
  • Teeth: Green-blue teeth visible around the 4th instar.
  • Feeling feet: Thickenings at the end of the sensory legs, similar to a comma.
  • Pedipalps: Larger pedipalps, almost like 'boxing gloves' used for transferring sperm to the epigyne during copulation.
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Jumping Spider Juventud Female

Female Royal Jumping Spider 

Female jumping spiders are typically larger than the males and have a greater diversity of colors, ranging from warm tones such as orange, red, brown, gray, to even white, with pink-colored teeth.

  • Size: Generally larger than males, with sizes reaching up to about 22 millimeters.
  • Color: Variable color palette, including warm tones such as orange, red, brown, gray, and even white.
  • Teeth: Pink colored teeth.
  • Feeling feet: Streamlined with an even shape.
  • Pedipalps: Smaller pedipalps compared to males.
  • Epigyne: The most striking feature on the underside of the female is the “epigyne,” a small, black and shiny dot between the book lungs. This characteristic is crucial for reproduction and the distinction between male and female jumping spiders.
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Feeding and Hunting

Jumping spiders are known for their unique and active hunting behavior. They are able to stalk and capture prey using a combination of sight, speed and precision. Here's a general overview of how jumping spiders hunt:

  1. Sight: Jumping spiders have excellent vision organs called "anterior median eyes" that enable them to perceive movement and details at close range. This allows them to track and track prey.
  2. sneak up: Jumping spiders are known for their stealthy hunting technique. They move slowly and carefully towards their prey, keeping close to the surface so as not to be noticed.
  3. Estimate distance: While creeping closer to their prey, jumping spiders estimate the correct distance. This is critical because jumping spiders often attack their prey from a short distance.
  4. Jump: As soon as the jumping spider thinks it is close enough to the prey, it prepares to attack. Jumping spiders have very strong muscles in their hind legs and can use them to make powerful jumps. The jump is made possible by the rapid relaxation of these muscles, which causes the spider to launch itself towards the prey with considerable speed.
  5. Silk thread: During the jump, jumping spiders leave behind a thin thread of cobweb, which acts as a kind of anchor. This anchor allows the jumping spider to safely return to its original position after the attack if the attack is unsuccessful.
  6. Catch: During capture, the jumping spider brings its jaws (chelicerae) together to grab and bite the prey. This bite introduces an enzymatic venom that helps break down tissues of the prey, allowing the jumping spider to ingest it.
Dancing Jumping Spider

Feeding a Royal Jumping Spider 

In captivity, you can feed jumping spiders a variety of live insects appropriate to their size. Here are some feeding options you can feed your jumping spider:

  1. Fly: Small fruit flies or flies can be an excellent food source for jumping spiders. They are often readily available and contain sufficient nutrients.
  2. crickets: Depending on the size of the jumping spider, you can offer small to medium sized crickets. These provide some variety in the diet and contain protein.
  3. Butterflies and moths: Small butterflies and moths can also be suitable prey, especially if they match the size of the jumping spider.
  4. Little grasshoppers: If you have access to small grasshoppers, they can also serve as food for jumping spiders.
  5. Little beetles: Some small beetles may also be suitable, but make sure they are not too large for the size of the spider.

It is important to adjust the size of the food prey to the size of the jumping spider. It is better to offer prey no larger than half the size of the spider's body. This prevents the spider from being overwhelmed or injured by oversized prey.

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A Phidippus Regius Isla Juventud Jumping Spider as a pet

The Phidippus regius Isla Juventud, also known as the Royal Jumping Spider, is a nice spider species to keep as a pet. This unique and beautiful spider bears a striking resemblance to its natural environment, making it a fascinating animal to observe. It is very important to pay specific attention to the needs of this jumping spider to ensure that it thrives optimally in its habitat.

Setting up a suitable terrarium is essential to provide your Royal Jumping Spider with a comfortable home. A terrarium of, for example, 20x20x30 cm with sufficient ventilation openings is recommended.

Provide plenty of hiding places, such as small pieces of bark or leaves, where your jumping spider can feel safe. Since these spiders are masters of camouflage, creating an environment that resembles their natural habitat contributes to their well-being.

Maintaining the correct temperature is critical to the health of your Royal Jumping Spider. An ideal daytime temperature varies between 20 and 25 degrees Celsius. In addition, it is essential to maintain a humidity level of about 50% to 70%. Regular spraying of the terrarium will help maintain optimum humidity levels and provide the jumping spider with the necessary humidity.

Keep in mind that the Royal Jumping Spider is a special species with specific requirements. Careful attention to creating a suitable living environment and monitoring their behavior will contribute to the well-being and fascination of this wonderful pet

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