The swamp spider, saved from extinction

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The marsh spiders are a vital species of arachnids for the health of wetlands in the United Kingdom. Their importance is such that over a decade ago, the Chester Zoo in England took on a monumental challenge: rescuing them from extinction, a task that would already be more than fulfilled.

According to the zoo specialists, the results of this titanic task exceeded all expectations, as it was reported that the spiders had the largest mating season recorded to date. These results are a clear indication that the population of this species is stable and thriving.

These signs mark the successful recovery of the species, while highlighting the impact of conservation projects on the restoration of threatened wild populations. In this case, the project began after the zoo and the Royal Society for the Protection of Birds (RSPB) identified the urgent need to save this species that was on the brink of extinction, a consequence of the destruction of wetlands that used to be their natural habitat.

It was then that the team began breeding the young spiders in order to increase their population. For this, they were placed in individual test tubes, with the purpose of preventing cannibalism among them. This process included hand-feeding them and monitoring their development until they reached adulthood and acquired the ability to survive in their natural habitat. Once this happened, the spiders were released into restored wetlands, a fact that marked the beginning of new opportunities for this species.

Chester Zoo saved the marsh spider from extinction. Photo: Wikipedia.
Chester Zoo saved the marsh spider from extinction. Photo: Wikipedia.

The role of marsh spiders in the ecosystem

In addition to their impressive size, which can be the size of a palm, these spiders are essential in the preservation of wetland ecosystems. Being natural predators, they feed on invertebrates such as dragonflies, larvae, and small tadpoles.

The predatory activity of these insects helps control the populations of other species, while promoting balance in the ecosystem. Moreover, being a subaquatic species, they have a special ability to run on the water’s surface, which helps them capture their prey more easily.

In fact, the restoration of this species contributes to the care and conservation of biodiversity in environments threatened by drought or rising sea levels.

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