Jorunna spazzola

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Jorunna spazzola
Jorunna cf spazzola.png
Dorsal view of Jorunna cf. spazzola
Jorunna cf spazzola 2.png
Dorsal view of Jorunna cf. spazzola
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Discodorididae
Genus: Jorunna
Species:
J. spazzola
Binomial name
Jorunna spazzola
(Marcus, 1955) [1]
Synonyms [2] [3]

Awuka spazzola Er. Marcus, 1955
Discodoris mortenseni Ev. Marcus & Er. Marcus, 1963

Contents

Jorunna spazzola is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae. [2]

Taxonomy

It is possibly synonymous with Jorunna luisae . [4]

Camacho-García et al. (2014) [5] suggested Caribbean animals identified as Jorunna spazzola could constitute a distinct species, because they display external differences with the original description from southern Brazil. [3]

Distribution

This species was described from Brazil. The distribution of Jorunna spazzola includes Florida, [6] Honduras, Costa Rica, Venezuela, Cuba, Curaçao, Barbados, Virgin Islands, Turks and Caicos, Brazil and Panama. [3]

Description

The body is oval. [3] The mantle is rigid. [3] Dorsum is flattened and covered with small caryophyllidia. [3] Branchial leaves are very short. [3] Background color is translucent gray with a few darker gray or brown patches over the dorsum. [3] Mantle margin is surrounded by small opaque white glands. [3] Rhinophores and gill are the same color as the rest of the body. [3] It is up to 18 mm long [3] or up to is 36 mm. [7]

According to Rudman (2008), this species is known mostly from internal characters and needs clarification. [8]

Ecology

Minimum recorded depth is 0 m. [7] Maximum recorded depth is 1.5 m. [7] It was found under rocks in Panama. [3]

Prey of Jorunna spazzola include sponges of the order Haplosclerida: Callyspongia pallida and Chalinula sp. [9] It is well camouflaged on its prey. [3] This species is able to quickly change colors as a response to unknown environmental cues. [3]

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References

This article incorporates Creative Commons (CC-BY-4.0) text from the reference [3]

  1. ↑ Marcus Er. (1955). Opisthobranchia from Brazil. Boletim da Facultade de Filosofia, Ciencias e Letras da Universidade de Sao Paulo, Zoologia20: 89–261.
  2. 1 2 Bouchet, P. (2015). Jorunna spazzola (Marcus, 1955). In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-11
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Goodheart J. A., Ellingson R. A., Vital X. G., Galvão Filho H. C., McCarthy J. B., Medrano S. M., Bhave V. J., García-Méndez K., Jiménez L. M., López G. & Hoover C. A. (2016). "Identification guide to the heterobranch sea slugs (Mollusca: Gastropoda) from Bocas del Toro, Panama". Marine Biodiversity Records9(1): 56. doi : 10.1186/s41200-016-0048-z
  4. ↑ Camacho-García Y. E. & Gosliner T. M. (2008). "Systematic revision of Jorunna Bergh, 1876 (Nudibranchia: Discodorididae) with a morphological phylogenetic analysis". Journal of Molluscan Studies 74: 143-181. doi : 10.1093/mollus/eyn002.
  5. ↑ Camacho-García Y., Pola M., Carmona L., Padula V., Villani G. & Cervera L. (2014). "Diversity and distribution of the heterobranch sea slug fauna on the Caribbean of Costa Rica". Cah Biol Mar.55: 109–127.
  6. ↑ Jorunna spazzola. Photo A. DuPont at Medslugs.de.
  7. 1 2 3 Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  8. ↑ Rudman W. B. (2001 September 20). Jorunna cf. spazzola (Marcus, 1955). Sea Slug Forum. Australian Museum, Sydney.
  9. ↑ Belmonte T., Alvim J., Padula V. & Muricy G. (2015). "Spongivory by nudibranchs on the coast of Rio de Janeiro state, southeastern Brazil". Spixiana38(2): 187–195. PDF.
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