Alpheus microstylus ( Bate, 1888 )

Dehghani, Amir, Sari, Alireza & Naderloo, Reza, 2019, Annotated checklist of the snapping shrimps of the genus Alpheus Fabricius, 1798 (Crustacea: Decapoda: Alpheidae) from the Persian Gulf and Gulf of Oman, Iran, Zootaxa 4544 (4), pp. 479-504 : 488

Alpheus microstylus ( Bate, 1888)

( Fig. 5C )

Betaeus microstylus Bate, 1888: 566 .

Alpheus microstylus — Coutiere, 1905a: 884.

Alpheus obesomanus De Man, 1888a: 520 ; 1902: 867.

Alpheus malleodigitus Coutiere, 1899: 223 , 316.

Alpheus microstylu s var.? De Man, 1911: 345.

Alpheus microstylus — Banner and Banner, 1966b: 105.

Material examined. PG: 1 male, 1 female ( ZUTC 6679 ), Abu-Musa I., on dead coral, Coll. R. Naderloo and A. Dehghani, 10 Oct. 2017 ; GO: 2 males ( ZUTC 6680 ), Chabahar Bay , Tis, on dead coral, Coll. A. Dehghani, 2 Oct. 2016 .

Distribution. Indo-West Pacific: from Madagascar, Red Sea, PG, GO and India to the Philippines.

Regional records. PG and GO: Iran (present study).

Habitat. Typically found on Acropora sp. branches.

Remark. This species is syntopic with A. malleodigitus and shows marked differences on scaphocerite and dactylus of the major chela. This species needs a re-investigation using molecular analysis and a more thorough comparison of external morphology and color patterns between the two species.

Figures

FIGURE 5. Alpheus malleodigitus (Bate, 1888), A. Male (CL. 6.2 mm); B. Female (CL. 6.1 mm), Abu-Musa Island. Alpheus microstylus (Bate, 1888), C. Female (CL. 6 mm), Abu-Musa Island. Alpheus mohammadpouri Dehghani et al. (2018), D. Male (CL. 8.9 mm); E. Female (CL. 9.2 mm), Abu-Musa Island. Alpheus pachychirus Stimpson, 1860, F. Male (CL. 5.5 mm), Abu- Musa Island.