Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Links to other Web sites

(Wright, 1858)

Description
Umbrella bell-shaped, higher than wide; jelly thick [Coryne producta ]; velum moderately broad. Four radial canals and ring canal narrow. Usually with a conical apical chamber.
Manubrium cylindrical, about as long as bell cavity; when fully stretched, about 1/3 of manubrium is extended beyond umbrella margin. Mouth circular, simple.
Gonads continuous, completely surrounding manubrium. Four perradial marginal tentacles with irregularly scattered nematocyst clusters and a terminal nematocyst cluster. Each marginal tentacle bulb with a well-developed ocellus.

Size
Umbrella up to 10 mm high and 7 mm wide.

Colour
Terminal nematocyst cluster of tentacles and tentacle bulbs reddish; ocelli black or deep brown.

Ecology and depth range
Neritic. A young medusa was taken in the plankton at Helgoland in May.

Distribution in the North Sea
Southern and northern North Sea, W English Channel.

World distribution
N Atlantic Ocean, including Mediterranean Sea; W South Atlantic and Indo-Pacific Oceans.

[After Russell, 1950b; Russell, 1953a; Kramp, 1959]

Coryne producta