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

Reibish, 1905

Eyes very large in male and contiguous on top of head; in female small and oval. Antenna 1 flagellum small, shorter than peduncle article 3, about 5-articulate; accessory flagellum 4-articulate. Antenna 2 flagellum in female 2-articulate, in male filiform and as long as body. Gnathopods 1 and 2 carpus elongate, moderately expanded, setose, propodus much shorter than carpus, palm oblique. Pereiopod 5 basis very short and very broad, carpus extremely broad and at least twice as broad as long, carpus very much broader than merus, propodus and dactylus also long and broad; merus, carpus and propodus with numerous short strong spines, posterior margins with many long plumose setae. Pereiopods 6 and 7 merus and carpus broad and robust, propodus much smaller and shorter than carpus. Uropod 1 peduncle sparsely spinose, rami about equal length, outer ramus slightly curved with 1 or 2 groups of long setae, inner ramus straight with 1 to 3 long setae; uropod 2 rami about equal and little longer than peduncle, outer ramus with group of about 4 or 5 long setae, inner ramus usually with 1 long seta; uropod 3 densely setose, inner ramus equal to length of article 1 of outer ramus. Telson broader than long, apex of each lobe with 2 short setae.

Up to 6 mm.


Depth range from 0 to 30 metres; often found with Echinocardium and Balanoglossus .

English Channel; North Sea to Kattegat.

Urothoe poseidonis