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
Distribution map
Links to other Web sites

(Müller, 1776)

Description

External appearance
Solitary. Body ovoid, usually attached by the left side and up to 20-50 mm in length. Test smooth or wrinkled, cartilaginous and bears small red papillae round the siphons. Test is semi-transparent often with red pigment visible.

Characters
Oral siphon with 6-8 lobes and placed terminal; atrial siphon 6 lobed and located relatively close (1/4 of body length) to the oral siphon. About 30-110 simple branchial tentacles, these are more numerous than the inner longitudinal vessels. Branchial sac with numerous rows of straight stigmata; no folds; no papillae at the intersections of the longitudinal and transverse vessels. Gut left of branchial sac; stomach with longitudinal folds. Ovary on the left side of the intestinal loop; testes on both sides (A. scabra morphology).

Habitat
Attached to hard substrata; from the lower shore down to depths of about 300 metres.

Distribution
From Norway to the Mediterranean.

Ascidiella scabra