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) Author Malay, Maria Celia (Machel) D. Author Rahayu, Dwi Listyo Author Chan, Tin-Yam text Raffles Bulletin of Zoology 2018 2018-01-17 66 23 65 journal article 6557 10.5281/zenodo.4503028 479d8c3b-8194-4f81-bed5-d157d5aa021e 2345-7600 4503028 C0EDB2F2-78E4-43A0-A8C4-E4165DF6406F Calcinus morgani Rahayu & Forest, 1999 ( Fig. 1H ) Calcinus morgani Rahayu & Forest, 1999: 465 , Figs. 1B , 2C, D, G, H, J (Sidangoli, Halmahera, Indonesia , type locality); Asakura, 2002: 43–48, Figs. 9 –11, Fig. 21E–I; McLaughlin et al., 2007: 159–161, 3 unlabelled figures; Malay & Paulay, 2010 : Appendix S1. Calcinus gaimardii – Haig & Ball, 1988: 159 ; Poupin 1997: 688– 690 , Figs. 2B , 5D ; Morgan, 1991: 876–878, Fig. 11 (in part, form II) [not Calcinus gaimardii (H. Milne Edwards, 1848 ) ]. Calcinus gaimardi – Wooster, 1984: 131–133 (misspelling of Calcinus gaimardii ). Calcinus areolatus Rahayu & Forest, 1999: 468–471 , Fig. 4 ( Ambon , Indonesia , type locality). Material examined. 2 ovig. females SL 4.0– 6.5 mm , 5 females SL 3.0– 4.4 mm , 8 males SL 1.8–7.0 mm ( ZRC ), stn M1, Alona Beach , Panglao I. , 9°32.9′N , 123°46.6′E , 0–1 m , v.2004 to vii.2004 ; 1 ovig. female SL 4.8 mm ( ZRC ), stn M2, west end of Alona Beach , Panglao I. , 9°32.8′N , 123°45.9′E , 0–2 m , 30.v.2004 ; 1 male SL 3.6 mm ( ZRC ), stn M2, west end of Alona Beach , Panglao I. , 9°32.8′N , 123°45.9′E , 0–2 m , 30.v.2004 ; 2 females SL 2.5–4.0 mm ( ZRC ), stn M3, Danao , Panglao I. , 9°32.5′/33.1′N, 123°44.7′/45.5′E, 0–2.5 m , 31.v.2004 ; 1 ovig. female SL 6.4 mm , 1 female SL 3.4 mm , 1 male SL 5.5 mm , 1 indiv. in shell ( ZRC ), stn M5, Doljo Point , Panglao I. , 9°35.5′N , 123°43.3′/44.3′E , 0–2 m , v.2004 to vi.2004 ; 1 female SL 6.3 mm ( ZRC ), stn M18, Gak-Ang Islet , off Panglao I. , 9°33.0′N , 123°45.5′E , 0–1 m , 10 & 12.vi.2004 ; 3 females SL 2.7–5.8 mm ( ZRC ), stn M20, Pamilacan I., 9°29.3′N , 123°55.1′E , 0–2 m , 13.vi.2004 ; 1 ovig. female SL 9.5 mm , 2 males SL 3.0– 6.5 mm ( ZRC ), stn M22, Napaling , Panglao I. , 9°37.2′N , 123°46.4′E , 0–3 m , 15.vi.2004 ; 1 male SL 6.5 mm ( ZRC ), stn M58, Balicasag I., 9°31.3′N , 123°41.0′E , depth unknown, 4.vii.2004 ; 1 male SL 5.8 mm ( ZRC ), stn R11, Biking , Panglao I. , 9°35.2′N , 123°50.5′E , 4 m , 2.vi.2004 ; 10 indivs. in shell ( ZRC ), stn R20, Cathedral , 9°31.1′N , 123°41.5′E , 7–48 m , 5.vi.2004 ; 1 ovig. female SL 5.6 mm , 1 female SL 5.0 mm ( ZRC ), stn R24, Bingag , Panglao I. , 9°37.5′N , 123°46.8′E , 0–2 m , 6.vi.2004 ; 1 ovig. female SL 4.0 mm ( ZRC ), stn R59, Momo Beach , Panglao I. , 9°36.2′N , 123°44.9′E , 2–20 m , 22.vi.2004 ; 1 male SL 5.3 mm ( ZRC ), stn R61, between Sao and San Isidro , Panglao I. , 9°34.3′N , 123°49.3′E , 4–22 m , 23.vi.2004 ; 1 ovig. female SL 5.1 mm , 3 males SL 4.9–5.7 mm ( ZRC ), stn R73, Balicasag I., 9°30.9′N , 123°40.8′E , 2–30 m , 2.vii.2004 ; 1 male SL 5.2 mm ( ZRC ), stn S42, Pamilacan I., 9°30.1′N , 123°55.5′E , 15–20 m , 1.vii.2004 . Habitat. Intertidal to subtidal, 0 to approximately 12 m , reef flats, slopes, and ledges, on coralline, sandy, and mixed substrates. Remarks. Calcinus morgani closely resembles and is easily mistaken for C. gaimardii (see remarks under C. gaimardii ).