Dardanus dearmatus ( Henderson, 1888 ), 1937

Malay, Maria Celia (Machel) D., Rahayu, Dwi Listyo & Chan, Tin-Yam, 2018, Hermit crabs of the genera Calcinus Dana, Clibanarius Dana, and Dardanus Paul’son from the PANGLAO 2004 Expedition, with description of a new species and a checklist of the hermit crabs of the Philippines (Crustacea: Anomura: Paguroidea), Raffles Bulletin of Zoology 66, pp. 23-65 : 37

publication ID	https://doi.org/10.5281/zenodo.4503028
publication LSID	lsid:zoobank.org:pub:C0EDB2F2-78E4-43A0-A8C4-E4165DF6406F
DOI	https://doi.org/10.5281/zenodo.4502765
persistent identifier	https://treatment.plazi.org/id/72156531-2967-FF8F-FF50-F96AFB21B721
treatment provided by	Carolina (2021-02-04 17:30:25, last updated 2024-11-26 01:49:02)
scientific name	Dardanus dearmatus ( Henderson, 1888 )
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Dardanus dearmatus ( Henderson, 1888) View in CoL

Pagurus dearmatus Henderson, 1888: 58 View in CoL , Fig. 5 View Fig , pl. 6 (Admiralty Islands, type locality); Yap-Chiongco, 1938: 196–197.

Pagurus dermatus – Estampador, 1937: 502; Estampador, 1959: 50 (misspelling of Pagurus dearmatus View in CoL ).

Dardanus dearmatus View in CoL – Rahayu, 2000: 386; Asakura & Hirayama, 2002: 223–229, Figs. 7 View Fig –10.

Material examined. 1 male SL 5.2 mm ( ZRC), stn PN1, Balicasag I., 9°31.2′N, 123°41.3′E, 50–500 m, v.2004 GoogleMaps to vii.2004.

Habitat. Subtidal to approximately 500 m.

Remarks. This is typically a shallow subtidal species (to about 15 m, i.e., Rahayu, 2000) but there are reports of D. dearmatus from 29–46 m in the Admiralty Islands ( Henderson, 1888) or much deeper waters, e.g., 605–915 m in Saya de Malha Bank ( Laurie, 1926). The single specimen from Balicasag Island is also from relatively deep water (50–500 m), and was collected via tangle net.

Cassidy (2005), without further explanation, stated his opinion that Estampador’s (1937) report of D. dearmatus actually refers to D. gemmatus . Estampador’s (1937) specimens could not be located for verification ( Asakura & Hirayama, 2002: 229). Regardless of the identity of Estampador’s material, this report confirms the presence of D. dearmatus in Philippine waters.

References

Asakura A & Hirayama A (2002) Dardanus jacquesi, a new species of hermit crab from the Indo-west Pacific, with the redescription of a little known species, Dardanus dearmatus (Henderson, 1888). Crustaceana, 75 (3 - 4): 213 - 230.

Cassidy PM (2005) Some shallow-water hermit crabs of the genus Dardanus Paul'son 1875 (Decapoda: Paguroidea: Diogenidae) from the Visayan region of the Philippines with notes on their color and ecology. Philippine Scientist, 42: 94 - 129.

Estampador EP (1937) A checklist of Philippine crustacean decapods. Philippine Journal of Science, 62 (4): 465 - 559.

Estampador EP (1959) Revised list of Philippine crustacean decapods. Natural and Applied Science Bulletin, 17: 1 - 127.

Henderson JR (1888) Report on the Anomura collected by H. M. S. Challenger during the years 1873 - 76. Scientific Results of the Exploratory Voyage of HMS Challenger (Zoology), 27: i-xi, 1 - 221.

Laurie RD (1926) Reports of the Percy Sladen Trust Expedition to the Indian Ocean in 1905, under the leadership of Mr. J. Stanley Gardiner, M. A. Vol. 8, No. VI. - Anomura collected by Mr. J. Stanley Gardiner in the western Indian Ocean in H. M. S. Sealark. Transactions of the Zoological Society of London, 19: 121 - 167.

Yap-Chiongco JV (1938) The littoral Paguridea in the collection of the University of the Philippines. Philippine Journal of Science, 66: 183 - 219.

Figures

Fig. 5. Lateral view of left third pereopod. A, Dardanus lagopodes (Forskål, 1775). Male SL 9.8 mm, stn N2, ZRC 2015.0489; B, Dardanus lagopodes (Forskål, 1775). Female SL 7.6 mm, stn R1, ZRC 2015.0488; C, Dardanus sanguinolentus (Quoy & Gaimard, 1824). Male SL 7.8 mm, stn R38, ZRC 2015.0491; D, Dardanus balhibuon, new species, holotype. Female SL 14.3 mm, stn R38, NMCR 40109. Scale bars = 1 mm.

Fig. 7. Dardanus balhibuon, new species, holotype. Female SL 14.3 mm, stn R38, NMCR 40109. A, Left cheliped, outer view; B, Left cheliped, inner view; C, Right cheliped, outer view; D, Right cheliped, inner view. Scale bars = 1 mm.