Dolioletta: Difference between revisions
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==Characteristics== |
==Characteristics== |
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Members of the genus ''Dolioletta'' are transparent, gelatinous barrel-shaped animals, usually less than one centimetre long. They move in jerks by contracting the circular bands of muscle in their body wall sharply.<ref name=JelliesZone>[http://jellieszone.com/dolioletta.htm ''Dolioletta''] JelliesZone. Retrieved 2011-11-17.</ref> |
Members of the genus ''Dolioletta'' are transparent, gelatinous barrel-shaped animals, usually less than one centimetre long. They move in jerks by contracting the circular bands of muscle in their body wall sharply.<ref name=JelliesZone>[http://jellieszone.com/dolioletta.htm ''Dolioletta''] {{wayback|url=http://jellieszone.com/dolioletta.htm |date=20140517111834 }} JelliesZone. Retrieved 2011-11-17.</ref> |
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==Biology== |
==Biology== |
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Revision as of 19:21, 14 December 2016
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| Genus: | Dolioletta Borgert, 1894 [1]
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Dolioletta is a genus of tunicates in the family Doliolidae.
Characteristics
Members of the genus Dolioletta are transparent, gelatinous barrel-shaped animals, usually less than one centimetre long. They move in jerks by contracting the circular bands of muscle in their body wall sharply.[2]
Biology
They have the complex life cycle typical of the doliolids, with alternating sexual and asexual phases. They use a net of mucus strands to efficiently trap phytoplankton floating past. They both grow fast and multiply rapidly and a single animal is capable of forming thousands of new individuals in a few days. They sometimes form dense swarms with up to 500 individuals per square metre.[2]
Species
The World Register of Marine Species lists the following species: [1]
- Dolioletta chuni (Neumann, 1906)
- Dolioletta gegenbauri (Uljanin, 1884)
- Dolioletta mirabilis Korotneff, 1891
- Dolioletta tritonis Herdman, 1888
- Dolioletta valdiviae (Neumann, 1906)
References
- ^ a b Dolioletta Borgert, 1894 World Register of Marine Species. Retrieved 2011-11-17.
- ^ a b Dolioletta Archived 2014-05-17 at the Wayback Machine JelliesZone. Retrieved 2011-11-17.
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