Risbecia pulchella

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Yonow N (2012) Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda). ZooKeys 197 : 1–130, doi. Versioned wiki page: 2012-05-22, version 24758, https://species-id.net/w/index.php?title=Risbecia_pulchella&oldid=24758 , contributors (alphabetical order): Pensoft Publishers.

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BibTeX:

@article{Yonow2012ZooKeys197,
author = {Yonow, Nathalie},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda)},
year = {2012},
volume = {197},
issue = {},
pages = {1--130},
doi = {10.3897/zookeys.197.1728},
url = {http://www.pensoft.net/journals/zookeys/article/1728/abstract},
note = {Versioned wiki page: 2012-05-22, version 24758, https://species-id.net/w/index.php?title=Risbecia_pulchella&oldid=24758 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda)
A1 - Yonow N
Y1 - 2012
JF - ZooKeys
JA -
VL - 197
IS -
UR - http://dx.doi.org/10.3897/zookeys.197.1728
SP - 1
EP - 130
PB - Pensoft Publishers
M1 - Versioned wiki page: 2012-05-22, version 24758, https://species-id.net/w/index.php?title=Risbecia_pulchella&oldid=24758 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.197.1728

Wikipedia/ Citizendium:

<ref name="Yonow2012ZooKeys197">{{Citation
| author = Yonow N
| title = Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda)
| journal = ZooKeys
| year = 2012
| volume = 197
| issue =
| pages = 1--130
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.197.1728
| url = http://www.pensoft.net/journals/zookeys/article/1728/abstract
| pmc =
| accessdate = 2024-12-23

}} Versioned wiki page: 2012-05-22, version 24758, https://species-id.net/w/index.php?title=Risbecia_pulchella&oldid=24758 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Familia: Chromodorididae
Genus: Risbecia

Name

Risbecia pulchella (Rüppell & Leuckart, 1830) – Wikispecies link – Pensoft Profile

  • Doris pulchella Rüppell & Leuckart, 1830: 32, tab. 9, fig. 5 (Red Sea).
  • Risbecia pulchella. – Rudman, 1984: 203, fig. 65, 67, 68 (Kenya, Tanzania, and Mayotte, Comoro Islands); Gosliner 1987[1]: 83, fig. 132 (South Africa); Yonow 1989[2]: 303, pl. 23-25 (Red Sea); Debelius and Kuiter 2007: 138 (Red Sea, Mozambique, and South Africa); Yonow 2008[3]: 201 (Red Sea); Yogesh Kumar et al. 2011[4]: 109, fig. 2e (India).

Material

Seychelles: 50 × 25 mm, one of two animals on algal-encrusted rock, Bug Rock, Brissare, 05 April 1992, leg. P Kemp; photographs of several individuals, Lilôt, NW Mahé, 1988-1989, P Kemp. – Gulf of Oman: photos of two individuals trailing, Muscat, 01-12 April 2009, S Kahlbrock; photographs of pairs, Musandam, 13 May 2009, trailing pair, Siri Island, 15 m depth, 13 May 2009, trailing pair, Anemone Garden, just off Khorfakkan, 8 Jan 2012, GT Smith. – La Réunion, Mauritius, Mayotte: photographs of several individuals http://seaslugs.free.fr/nudibranche/a_intro.htm.

Description

The radular formula is 83 (+3) × 90-95.0.95-90: there is no median tooth. The first 7-8 laterals are duck bill shaped with a large denticle on the outside (Fig. 13A). The central laterals increase rapidly in size to a cusp length of approximately 75 μm bearing 4-5 denticles, of which the first is divided (Fig. 13B). The last 3-4 laterals in each row are very reduced with a rounded main cusp and multiple denticles (Fig. 13C).

Taxon Treatment

  • Yonow, N; 2012: Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda) ZooKeys, 197: 1-130. doi

Other References

  1. ↑ Gosliner T (1987) Nudibranchs of Southern Africa. A guide to Opisthobranch molluscs of Southern Africa. EJ Brill, Leiden, Netherlands, 136 pp.
  2. ↑ Yonow N (1989) Red Sea Opisthobranchia. 2.The family Chromodorididae (Mollusca, Nudibranchia). Fauna of Saudi Arabia 10: 290-309.
  3. ↑ Yonow N (2008) Sea Slugs of the Red Sea. Pensoft Publishers, Sofia-Moscow, 304 pp.
  4. ↑ Yogesh Kumar J, Sreeraj C, Sornaraj R (2011) Opisthobranchs of the Gulf of Mannar Biosphere Reserve, Tamil Nadu, India. Indian Journal of Fisheries 58(4): 105–114. http://epubs.icar.org.in/ejournal/index.php/IJF/article/view/13788

Images

Figure 13. Risbecia pulchella, 50 mm A first 3–5 laterals on both sides of the midline, no central thickening or rhachidian B mid-lateral teeth showing single main cusp and divided first denticle C outermost laterals in newish row with reduction in cusp. Scale bars 50 µm.
Figure 13. Risbecia pulchella, 50 mm A first 3–5 laterals on both sides of the midline, no central thickening or rhachidian B mid-lateral teeth showing single main cusp and divided first denticle C outermost laterals in newish row with reduction in cusp. Scale bars 50 µm. 
Plate 54. Risbecia pulchella, Oman, photo: S Kahlbrock (no spcm).
Plate 54. Risbecia pulchella, Oman, photo: S Kahlbrock (no spcm). 
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