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Abstract

Morphological abnormalities were observed in a population of the stauromedusa Haliclystus auricula in southern Chile. A total of 144 abnormal specimens was observed out of 3790 Stauromedusae sampled. The following abnormalities are described: individuals lacking arms (73%), with more than eight anchors (11%), more than eight arms (8%), lacking anchors (4%) and one individual with tentacles in abnormal locations. An individual with two peduncles, one with two mouths and one twin-like individual are recorded for the first time in this species. Their possible causes are discussed.

Item Type:	Article
Authors/Creators:	Zagal, CJ
Keywords:	Stauromedusae; Staurozoa; Haliclystus
Journal or Publication Title:	Journal of the Marine Biological Association of the United Kingdom
ISSN:	0025-3154
DOI / ID Number:	10.1017/S0025315408000179
Additional Information:	Copyright © 2008 Marine Biological Association of the United Kingdom
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