Vayssierea caledonica

Last updated

Vayssierea caledonica
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia

clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea

clade

Contents

Doridacea
Superfamily:
Polyceroidea
Family:
Okadaiidae
Genus:
Vayssierea
Species:
V. caledonica
Binomial name
Vayssierea caledonica
(Risbec, 1928) [1]

Vayssierea caledonica [2] is a species of sea slug, a dorid nudibranch in the gastropod family Okadaiidae. It is considered a close relative of all the species in the Vayssierea genus (V. caledonica, V. felis , V. cinnabarea , and V. elegans). That entire genus however is sometimes referred to under one species name, V. felis . [3]

Description

When full grown this red-orange nudibranch is about 1–2.5 mm (0.04–0.10 in) in size. [4] They lack external gills and also have primitive rhinophores. [5] This species reproduces by direct development and can lay over ten eggs. [5] These eggs take about 29 days to hatch. [6]

Range

V. caledonica is found in the waters off New Caledonia and also Australia, specifically in the New South Wales, Victoria, and Queensland territories. [7]

Habitat

This species can be found in 0–3 metres (0–10 ft) of water. [7] They are usually on rocks associated with the tube worms they eat. They can also be found underneath rocks during low tide or floating on brown algae.

Ecology

This species feeds on Spirorbis or other tube worms. In Victoria it is usually found near its food source, the serpulid polychaete worm Salmacina dysteri . [7]

Etymology

The name for this nudibranch comes from where it was discovered, New Caledonia. [8]

Taxonomy

This nudibranch was first named by Jean Risbec in 1928. [8] [2] Although Vayssierea caledonica is accepted as a species by many individuals, there are some that argue that all Veyssierea should be under one species name, V. felis . [3] Risbec described this nudibranch as differing in radula morphology from other Veyssierea by having two lateral teeth instead of three. [6] Individuals argue that viewing these small specimens under a light microscope can be misleading. [3]

Related Research Articles

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Vayssierea cinnabarea is a species of minute sea slug, a dorid nudibranch in the gastropod family Okadaiidae.

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<i>Vayssierea felis</i> Species of gastropod

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References

  1. ↑ "WoRMS - World Register of Marine Species - Vayssierea caledonica Risbec, 1928".
  2. 1 2 "Vayssierea caledonica". iNaturalist. Retrieved 2021-04-29.
  3. 1 2 3 Rudman, W.B., 2000 (Apr 20). Comment on Vayssiereidae - further thoughts by Alexander Martynov. [Message in] Sea Slug Forum. Australian Museum, Sydney.
  4. ↑ Cobb, G.C., 2008 (Sep 12) Vayssierea felis from sthn Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney.
  5. 1 2 Rudman, W.B., 2008 (Sep 12). Comment on Vayssierea felis from sthn Queensland by Gary Cobb. [Message in] Sea Slug Forum. Australian Museum, Sydney.
  6. 1 2 Hadfield, Michael G. "The biology of nudibranch larvae." Oikos (1963): 85-95.
  7. 1 2 3 Burn, Robert (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. doi: 10.24199/J.MVSR.2006.10 . S2CID   85607601.
  8. 1 2 RiSBEC, J., 1928. Contribution a l'dtude des Nudibranches Neo-Caledoniens. Faune Colon. Franc., 2.
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