Jellyfish in Spain: A Guide to Seasonal Encounters and Safety Tips

by Lorraine Williamson
Jellyfish awareness

Spain’s beautiful beaches attract millions of visitors each year, but along with the sun and sand, there’s another marine phenomenon that captures attention: jellyfish.

These ethereal creatures, known for their graceful movements, can often be found in the waters around Spain. In this article, we will provide you with essential information about when to expect jellyfish, how to deal with stings, typical species, and the efforts being made to monitor and control jellyfish populations.

When to expect jellyfish

Jellyfish sightings in Spain tend to be more frequent during the summer months, from June to September. The warm waters of the Mediterranean Sea and the Atlantic Ocean create favorable conditions for jellyfish proliferation. However, it’s important to note that the presence and intensity of jellyfish can vary from year to year and from region to region.

What to do if you’re stung

If you happen to encounter a jellyfish while swimming or enjoying the beach, it’s crucial to know how to respond to a potential sting. The first step is to avoid touching the jellyfish, as even dead ones can still release venom. If you are stung, rinse the affected area with seawater and remove any tentacles using tweezers or a glove-protected hand. Avoid rubbing the area or using freshwater, as it may worsen the sting. Applying vinegar or a baking soda paste can help neutralise the venom. If there is a lifeguard (socorrista) on the beach, they should be able to help. However, seeking medical attention is recommended if the symptoms persist or if the sting covers a large area.

Typical jellyfish species

Several species of jellyfish are commonly found in Spanish waters. The most prevalent include the Compass Jellyfish (Chrysaora hysoscella) and the Mauve Stinger (Pelagia noctiluca). The Compass Jellyfish is recognised by its brownish bell with V-shaped markings, while the Mauve Stinger features a pinkish coloration and can be bioluminescent, creating a mesmerising nighttime display.

Cogesa Expats

Efforts to monitor and control jellyfish populations

In an effort to improve safety and raise awareness, various initiatives have been implemented in Spain. One notable tool is the MedusApp mobile application, which provides real-time information on jellyfish presence and beach conditions. Users can access data on recent sightings, safety recommendations, and even receive push notifications when jellyfish are reported in their area.

Furthermore, innovative technologies utilising artificial intelligence (AI) are being developed to aid in the early detection and control of jellyfish blooms. AI algorithms can analyse environmental factors such as sea temperature, currents, and satellite data to predict the likelihood of jellyfish presence. These early warning systems enable beach authorities to take preventive measures and inform the public promptly.

Also read: AI deployed for jellyfish and “nata” detection on the Costa del Sol

As you enjoy the beautiful beaches of Spain, it’s essential to be aware of the potential presence of jellyfish. Understanding when to expect them, how to handle stings, and recognising typical species can enhance your safety and ensure a pleasant beach experience. By utilising tools like the MedusApp and harnessing the power of AI technology, Spain is taking proactive steps to manage jellyfish populations and provide early warnings to beachgoers. Remember to stay informed, exercise caution, and embrace the wonders of the Spanish coastline

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