General Description
Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is simple stems. Colour: colonies transparent white, gonophores (reproductive structures) cream. Up to 3 mm high.
Biology
This is a common species in southern Australia. Colonies grow annually and are fertile in spring and summer.
Distribution
Southern Australia.
Habitat
On fronds of brown algae and invertebrates in moderate shelter.
More Information
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Animal Type
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Animal SubType
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Brief Id
Spirally annulated pedicels and hydrotheca inclined towards the substrate.
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Maximum Size
3 mm
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Habitats
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Diet
Plankton or Particles
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Diet Categories
Plankton
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Hazards
Generally not harmful but still able to sting bare skin.
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Endemicity
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Commercial
No
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Conservation Statuses
DSE Advisory List: Not listed, EPBC Act 1999: Not listed, IUCN Red List: Not listed
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Depths
Shallow (1-30 m)
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Water Column Locations
On or near seafloor
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Taxon Name
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Scientific Author
(Hincks, 1853)
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Common Name
Hydroid
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Phylum
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Class
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Subclass
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Order
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Family
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Genus
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Species Name
caliculata
