PORT PHILLIP BAY


Nudibranch 

Polycera janjukia Burn, 1962

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:
Doridina
Superfamily:
Onchidoridoidea
Family:
Polyceridae
Genus:
Polycera
Species:
janjukia

General Description

Body shape slug-like with gill structures visible as a single cluster on back of the animal. Pattern includes shades or colours of yellow. Animal up to 2 cm long.

Biology

These animals are often found crawling on algae in pools at low tide.

Habitat

On algae and bryozoans, to depth of 20 m.

Coastal shores

Reefs

Distribution guide

South-eastern Australia.

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, Polycera janjukia, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 25 Feb 2025, http://136.154.202.208:8098/species/5017

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