Spiropagurus spiriger (De Haan, 1849)

Rahayu, Dwi Listyo, 2022, Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species, Raffles Bulletin of Zoology 70, pp. 329-363 : 359

Spiropagurus spiriger (De Haan, 1849)

( Fig. 14F )

Pagurus spiriger De Haan, 1849: 206 , pl. 49, fig. 2 (type locality: Japan).

Spiropagurus spiriger ; Alcock, 1905b: 118, pl. 13, fig. 1; Miyake, 1978: 137, fig. 54; Miyake, 1982: 122, pl. 41, fig. 5; Lewinsohn, 1982: 216, fig. 2; Baba, 1986: 211, fig. 155; Rahayu, 1996: 351; McLaughlin, 2002a: 448, fig. 9A; McLaughlin, Rahayu, Komai & Chan, 2007: 213, unnumbered figures.

Material examined. 1 female, 3.8 mm ( ZRC 2021.0262 ), st. TB96, near Eastern Bunkering A, 1°18.140′N 104°04.221′E, beam trawl, 22.4–25.1 m, clay, 28 May 2013 ; 1 male, 2.5 mm ( ZRC 2021.0263 ), st. TB97, 1°18.425′N 104°04.607′E, beam trawl, clay, 22.4–22.7 m, 28 May 2013 ; 1 male, 3.8 mm ( ZRC 2021.0264 ), DR09, Pasir Panjang, 01°16.229′N 103°45.358′E, 24 m, 12 June 2012 .

Colour. In general brownish cream with darker brown speckled on shield and ocular peduncles, setae yellowish white ( Fig. 14F ).

Distribution. Bay of Bengal, Andaman Sea, Gulf of Thailand, East Indian Archipelago, Singapore, Malaysia, East China Sea, Japan, Taiwan, Northern Australia; 22–25 m, on sandy, muddy substrates.

Figures

Fig. 14. A, Pagurus hedleyi (Grant & McCulloch, 1906), male, not measured and sexed, st. SD25, St John’s Island, 01°12.882′N 103°50.952′E, 22 May 2013; B, Pagurus kulkarnii Sankoli, 1962, ovigerous female, 4.2 mm (ZRC 2021.0253); C, D, Pagurus pitagsaleei McLaughlin, 2002a, C, male, not collected, st. SD25, St John’s Island, 01°12.882′N 103°50.952′E, 22 May 2013; D, male, 4.9 mm (ZRC 2021.0239); E, Pagurus tenuilineatus, new species, paratype, male, 4.2 mm (ZRC 2021.0255); F, Spiropagurus spiriger (De Haan, 1849), ovigerous female, not collected, Johor Strait.