23 photos - 4 species

Aurelia aurita

Moon jellyfish

Maximum diameter: 25 cm

It has hair-like tentacles with strong nettles.

Often drifting in shallow water near the reef after storms.

Photo 1 Astrid: Hurghada Egypt

Photo 2 Johnny: Hurghada Egypt

 Photo 3 Johnny: Bali Indonesia

Aurelia marginalis

Southern moon jelly

Size: 20 - 30 cm

The box jellyfish belongs to the upside-down jellyfish family of cnidarians.

They are found in the oceans almost worldwide.

Recent studies have shown that it is a complex of several species.

Four ring-shaped, brown-red sexual organs and four hanging, curtain-like mouth arms.

It consists of 98.2 % water.

Photos 1 - 5 Johnny: Bonaire Caribbean

Cassiopea andromeda

Upside-down sea jelly

Maximum diameter: 15 cm

Mouth surrounded by 8 branched tentacles.

Lives in shallow, sheltered lagoons and seagrass beds at depths of up to 15 metres.

Photo 1 Astrid: Hurghada Egypt

Photos 2 - 14 Johnny: Hurghada Egypt

Olindias tenuis


Maximum size: 1.2 - 3.5 cm

Maximum depth: 3 - 8 m

Shallow water hydromedus from the Caribbean,

hidden between seaweed and algae during the day.

At night they swim to the surface in search of food.

Photo 1 Astrid: Bonaire Caribbean