PORT PHILLIP BAY


Nudibranch 

Trinchesia catachroma (Burn, 1963)

View scientific description and taxonomy

Scientific Details

Nudibranchia group detail.
Mantle (dorsal surface) with pair of rhinophores anteriorly. Gills as a cluster posteriorly, or laterally, or laterally below mantle overhang.

Source: Burn, R. (2006) A checklist and bibliography of the Opisthobranchia (Mollusca: Gastropoda) of Victoria and the Bass Strait area, south-eastern Australia. Museum Victoria Science Reports 10: 1-42.

Taxonomy

Phylum:
Mollusca
Subphylum:
Conchifera
Superclass:
Visceroconcha
Class:
Gastropoda
Subclass:
Orthogastropoda
Superorder:
Heterobranchia
Order:
Opisthobranchia
Suborder:
Nudibranchia
Infraorder:
Aeolidina
Family:
Tergipedidae
Genus:
Trinchesia
Species:
catachroma

General Description

Body shape slug-like with gill structures visible as multiple projections along the sides body. Pattern includes shades or colours of white, orange and/or red. Animal up to 2 cm long.

Biology

This common species is one of 30 tergipedid nudibranchs (family Tergipedidae) known to occur within the Bass Strait area, of which only seven are named. Some tergipedids have been sighted only once in 55 years.

Habitat

On algae in tidal pools, to depth of 12 m.

Coastal shores

Reefs

Distribution guide

Victoria.

Species Group

Nudibranchs and allies Nudibranchs

Depth

Shore (0-1 m)
Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

2 cm

Diet

Carnivore

Commercial Species

No

Global Dispersal

Native to Australia

Identify

Conservation Status

  • DSE Advisory List : Not listed
  • EPBC Act 1999 : Not listed
  • IUCN Red List : Not listed

Author

article author Burn, R.

Robert Burn is an Honorary Associate at Museum Victoria with expertise in Molluscs.

Author

article author Wilson, R.

Robin Wilson is a Senior Curator of marine invertebrates at Museum Victoria.

citation

Cite this page as:
Burn, R. & Wilson, R., 2011, Nudibranch, Trinchesia catachroma, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 21 Oct 2017, http://portphillipmarinelife.net.au:8098/species/5057

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