06/15/2026
πͺΌ Irukandji Jellyfish β The Tiny Jellyfish With A Powerful Sting
π Local Names:
β’ Irukandji Jellyfish (English)
π¬ Scientific Name: Carukia barnesi
π¨βπ¬ Discovered By:
Scientifically described by
Ronald Southcott, 1967.
π Family: Carukiidae
π Native Region:
Northern Australian waters, especially near the Great Barrier Reef
β οΈ Danger & Toxicity:
β’ One of the smallest but most dangerous jellyfish
β’ Its sting can cause severe pain and a condition known as Irukandji syndrome
β’ Symptoms may include intense muscle pain, nausea, sweating and high blood pressure
β’ Its transparent body makes it difficult to see in the water
β οΈ Toxic Compounds:
β’ Powerful venom peptides and toxins
π§ͺ Key Features:
Tiny Size,
Nearly Transparent Body,
Powerful Venom,
Ocean Predator
β οΈ CRITICAL WARNING:
Avoid touching unknown jellyfish in the ocean.
π Research Reference:
Toxin studies on Carukia barnesi β marine venom research
π¬ Despite being only a few centimeters long, the Irukandji jellyfish is considered one of the oceanβs most medically significant jellyfish. πͺΌ