Yellow scorpion 7-11 cm. Slender pincers, thick stinger tail. Considered the most venomous scorpion in the world by neurotoxin potency.

Powerful neurotoxin cocktail — drop for drop one of nature's deadliest substances. Mortality in children up to 70% without antivenom. 1-2 mg of venom worth $39,000 on research market.

Deserts and scrubland from North Africa across Middle East — Egypt, Israel, Jordan, Saudi Arabia, UAE, Iraq, Iran, Pakistan.

Nocturnal. Hides under stones, in burrows, in shoes left outdoors. Aggressive — strikes repeatedly when disturbed. Glows green under UV.

Up to 1.3 m. Grey-brown with darker zigzag. Israel's national reptile and main cause of envenomation in the Levant.

Hemotoxic venom causes severe local damage, hemorrhage, hypotension. About 200 bites/year in Israel. Mortality <1% with antivenom; previously 5-7%.

Mediterranean coastal regions of Israel, Lebanon, Syria, Jordan, southern Turkey. Coastal plains, forest edges, agricultural land.

Crepuscular in summer. Often found in cultivated areas. Strikes when threatened — quick to defend itself.

Light brown spider 7-10 mm with a violin-shaped marking on the head. Six eyes (most spiders have eight). Increasingly common in southern European homes.

Cytotoxic venom causes 'loxoscelism' — necrotic skin lesions that can rot for weeks. Confirmed deaths in Italy and Spain in recent years.

Walls, attics, woodpiles, behind furniture in homes across Italy, Spain, Portugal, southern France, Greece, Croatia, Cyprus, Malta.

Reclusive — bites only when pressed against skin (e.g., in clothes or bedding). Active at night hunting other arthropods.

Yellow-brown, up to 8 cm. Found in Spain, southern France, Italy, the Balkans. The largest scorpion in Europe.

Sting is intensely painful — comparable to a wasp — and can cause swelling, fever, vomiting. Healthy adults recover in 24 hours; risk for children and allergics.

Dry rocky terrain, vineyards, ruins, and old stone walls of the Mediterranean.

Nocturnal. Hides under stones and bark by day. Stings when stepped on, sat on, or while putting on shoes left outside overnight.

Small purple-pink jellyfish that forms huge swarms in the Mediterranean. Bell only 10 cm but tentacles extend up to 3 m.

Sting causes intense burning pain, blistering, scarring lasting weeks. Allergic reactions can cause anaphylaxis. Closes beaches across Spain, France, Italy in summer.

Open Mediterranean and Atlantic. Drifts inshore in summer with currents.

Bioluminescent — glows when disturbed at night. Stings even after death — washed-up bells on beaches remain active for hours.

Small sandy-brown fish — up to 15 cm — that buries itself in shallow sand with only its eyes and dorsal spine showing. Found at swimming depth.

Stepping on it drives a venomous spine into the foot, causing severe pain for 2–24 hours. Rarely fatal but ER visits common — UK alone reports 1,000+ stings per year.

Sandy shallows of the Atlantic and Mediterranean coasts of France, UK, Ireland, Spain, Portugal, Italy.

Buries in sand at low tide. Strikes only defensively. Most stings occur on popular beaches in summer at low water.