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A new stygobiont species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) from caves on Socotra Island (Yemen), with notes on the genus.
Zootaxa. 2018 Jul 02; 4442(2):241-261.Z

Abstract

We describe a new species of stygobiont atyid shrimp of the genus Halocaridinides Fujino Shokita, 1975 from subterranean brackish and freshwater environments on Socotra Island (Yemen). This is the first atyid shrimp discovered in the Socotra Archipelago. This Socotran endemic is the second species of Halocaridinides recorded from an Indian Ocean island and the first to occur in non-anchialine environments. The new species is characterized by the absence of eye pigmentation, a reduced rostrum and the presence of a single spine in the uropodal exopod diaeresis. Morphological variability in the robustness of the first and the second chelipeds, particularly obvious in the chelae, may indicate local speciation or phenotypical plasticity. At both extremes of the variation, animals with most slender (tenuis type) or robust (robustus type) morphologies occur. We discuss the Indo-Pacific distribution of the genus and the potential origin of the new Socotran species. An amended diagnosis for the genus and a key to all species are included.

Authors+Show Affiliations

Taxonomy & Systematics Group, Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands.. charles.fransen@naturalis.nl.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30313960

Citation

Fransen, Charles H J M., and K van Damme. "A New Stygobiont Species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) From Caves On Socotra Island (Yemen), With Notes On the Genus." Zootaxa, vol. 4442, no. 2, 2018, pp. 241-261.
Fransen CHJM, Damme KV. A new stygobiont species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) from caves on Socotra Island (Yemen), with notes on the genus. Zootaxa. 2018;4442(2):241-261.
Fransen, C. H. J. M., & Damme, K. V. (2018). A new stygobiont species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) from caves on Socotra Island (Yemen), with notes on the genus. Zootaxa, 4442(2), 241-261. https://doi.org/10.11646/zootaxa.4442.2.3
Fransen CHJM, Damme KV. A New Stygobiont Species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) From Caves On Socotra Island (Yemen), With Notes On the Genus. Zootaxa. 2018 Jul 2;4442(2):241-261. PubMed PMID: 30313960.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A new stygobiont species of Halocaridinides Fujino Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) from caves on Socotra Island (Yemen), with notes on the genus. AU - Fransen,Charles H J M, AU - Damme,K van, Y1 - 2018/07/02/ PY - 2018/07/02/received PY - 2018/10/14/entrez PY - 2018/10/14/pubmed PY - 2018/12/20/medline KW - Crustacea, Decapoda, Caridea, Atyidae, Halocaridinides, Socotra, cave, stygobiont, new species SP - 241 EP - 261 JF - Zootaxa JO - Zootaxa VL - 4442 IS - 2 N2 - We describe a new species of stygobiont atyid shrimp of the genus Halocaridinides Fujino Shokita, 1975 from subterranean brackish and freshwater environments on Socotra Island (Yemen). This is the first atyid shrimp discovered in the Socotra Archipelago. This Socotran endemic is the second species of Halocaridinides recorded from an Indian Ocean island and the first to occur in non-anchialine environments. The new species is characterized by the absence of eye pigmentation, a reduced rostrum and the presence of a single spine in the uropodal exopod diaeresis. Morphological variability in the robustness of the first and the second chelipeds, particularly obvious in the chelae, may indicate local speciation or phenotypical plasticity. At both extremes of the variation, animals with most slender (tenuis type) or robust (robustus type) morphologies occur. We discuss the Indo-Pacific distribution of the genus and the potential origin of the new Socotran species. An amended diagnosis for the genus and a key to all species are included. SN - 1175-5334 UR - https://www.unboundmedicine.com/medline/citation/30313960/A_new_stygobiont_species_of_Halocaridinides_Fujino_Shokita_1975__Crustacea_Decapoda_Caridea_Atyidae__from_caves_on_Socotra_Island__Yemen__with_notes_on_the_genus_ DB - PRIME DP - Unbound Medicine ER -
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