Biology:Orchestia mediterranea

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Short description: Species of crustacean

Orchestia mediterranea
Neotenorchestia kenwildishi (10.3897-zse.90.8410) Figure 4.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Superorder: Peracarida
Order: Amphipoda
Family: Talitridae
Genus: Orchestia
Species:
O. mediterranea
Binomial name
Orchestia mediterranea
A. Costa, 1853
Synonyms[1]
  • Neotenorchestia kenwildishi Wildish, 2014
  • Orchestia laevis
Drawings of Orchestia mediterranea limbs

Orchestia mediterranea, sometimes called the Mediterranean beach hopper,[2] is a species of amphipod in the family Talitridae (sandhoppers).

Description

This species grows to a maximum length of 19 mm (0.75 in) and is pink in colour.[2] It can be distinguished from Orchestia gammarellus by the ramus (branch) of its pleopods (swimming legs), which are as long as, or longer than, the peduncle (base segment of the antenna); in O. gammarellus the ramus of the pleopods is much shorter than the peduncle.[3]

Distribution

Orchestia mediterranea is found in the Mediterranean Sea, Black Sea and the seas around Great Britain and Ireland.[1][4][5]

Behaviour

Infection with the parasite Paramarteilia orchestiae can cause intersexual attributes in male Orchestia mediterranea.[6]

A study in Bizerte found that Orchestia mediterranea was more common in autumn than summer.[7]

References

  1. ↑ 1.0 1.1 "Orchestia mediterranea A. Costa, 1853". https://www.marinespecies.org/aphia.php?p=taxdetails&id=103208. 
  2. ↑ 2.0 2.1 "Mediterranean Beach Hopper (Orchestia mediterranea)". https://www.inaturalist.org/taxa/991993-Orchestia-mediterranea. 
  3. ↑ Handbook of the Marine Fauna of North-West Europe. (2017). United Kingdom: OUP Oxford.
  4. ↑ "Orchestia mediterranea | NBN Atlas". https://species.nbnatlas.org/species/NHMSYS0021050343. 
  5. ↑ "Orchestia mediterranea Costa, 1853". https://www.gbif.org/species/10527906. 
  6. ↑ Ginsburger-Vogel, T. (October 1, 1991). "Intersexuality in Orchestia Mediterranea Costa, 1853, and Orchestia Aestuarensis Wildish, 1987 (Amphipoda): a Consequence of Hybridization or Parasitic Infestation?". Journal of Crustacean Biology 11 (4): 530–539. doi:10.2307/1548522. https://academic.oup.com/jcb/article-lookup/doi/10.2307/1548522. 
  7. ↑ Issues in Life Sciences—Invertebrate Research: 2013 Edition. (2013:119). United States: ScholarlyEditions.

Wikidata ☰ Q4485735 entry



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