Clibanarius humilis ( Dana, 1851 )

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 : 33

Clibanarius humilis ( Dana, 1851)

Pagurus humilis Dana, 1851: 271 ( Fiji and Tongatabu, type localities); Forest, 1953a: 443–446, Figs. 1 , 5 ; Gherardi & McLaughlin, 1994: 629–632; McLaughlin et al., 2007: 129–130, 2 unlabelled figures.

Material examined. 1 female SL 2.6 mm, 1 male SL 1.7 mm ( ZRC), stn M10, Bingag / Tabalong, Panglao I., 9°37.8′N, 123°48.4′E, 0–3 m, 5.vi.2004 ; 1 indiv. sex undetermined SL 2.6 mm ( ZRC), stn M25, Danao, Panglao I., 9°33.1′N, 123°44.6′E, 0–1 m, 17.vi.2004 .

Habitat. Intertidal, seagrass beds, on sandy, sand-mud, and rocky substrates.

Remarks. This is the first report of this species from the Philippines.

Figures

Fig. 1. A, Calcinus elegans (H. Milne Edwards, 1836). Male SL 10.0 mm, stn M1; B, Calcinus fuscus Malay, Komai & Chan, 2012. Male SL 4.1 mm, stn B42; C, Calcinus gaimardii (H. Milne Edwards, 1848). Female SL 5.6 mm, stn R14; D, Calcinus laevimanus (Randall, 1840). Male SL 4.4 mm, stn M2; E, Calcinus latens (Randall, 1840). Male SL 3.0 mm, stn R1; F, Calcinus lineapropodus Morgan & Forest, 1991. Male SL 4.5 mm, stn R16; G, Calcinus minutus Buitendijk, 1937. Male SL 4.7 mm, stn R10; H, Calcinus morgani Rahayu & Forest, 1999. Female ovig SL 4.8 mm, stn M2.

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.