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Alpheus miersi Coutière 1898

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Alpheus miersi Coutière, 1898

Alpheus gracilipes.—Miers, 1884:287 [not Alpheus gracilipes Stimpson, 1860:31].

Alpheus rapax var. Miersi Coutière, 1898e:166, fig. 1 [type locality: the 2 specimens mentioned by Miers (1884:287) were found on the beach at Port Molle and at Flinders Island, both on the Coral Sea coast of Queensland, Australia].

[?]A[lpheus] gracilipes var. serratus Coutière, 1898e:167 [name erroneously credited to Miers for specimen from Flinders Island, see “Remarks”].

A[lpheus] Miersi.—Coutière, 1905:903, pl. 83: fig. 42, pl. 84: fig. 42b–i.

Alpheus miersi.—D. M. and A.H. Banner, 1982:168, fig. 51.

DIAGNOSIS.—(Brevirostris Group). Body neither unusually compressed nor densely setose; rostrum triangular, not reaching as far as distal margin of 1st antennular segment, base not abruptly delimited from adrostral furrows; carapace without median tooth or tubercle on gastric region, without paired teeth overhanging posterior ends of adrostral furrows, anterior margin unarmed and slightly concave mesial to orbital hoods, latter unarmed; 2nd antennular segment little more than twice as long as wide; basal antennal segment (basicerite) armed with rather prominent acute ventrolateral tooth not reaching level of apex of stylocerite; antennal scale with lateral margin slightly concave, distolateral spine overreaching distal margin of blade; 1st pereopods with merus armed with small distal tooth on inferior flexor margin; major chela subcylindrical, about times as long as wide, dactyl not double-ended, palm without teeth either side of dactylar articulation, without longitudinal carina on mesial surface parallel with “dorsal” margin, with narrow transverse groove or “saddle” proximal to adhesive plaque, without shoulder on margin proximal to fixed finger; minor chela slightly or considerably more than 4 times as long as wide, dactyl subequal to palm in length, “balaeniceps” in male only; 2nd pereopod with 2 proximal articles subequal in length; 3rd pereopod with dactyl simple, propodus bearing 7 spines on flexor margin; carpus projecting distally on extensor margin, merus with small tooth at distal end of flexor margin, ischium bearing prominent movable spine; maximum carapace length about 8 mm.

RANGE.—Somalia, Madagascar, Seychelles, Maldive and Laccadive islands, Sri Lanka, Philippines, Japan, Indonesia, and Australia; intertidal.
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bibliographic citation
Chace, Fenner Albert, Jr. 1997. "The Caridean shrimps (Crustacea:Decapoda) of the Albatross Philippine Expedition, 1907-1910, Part 7: Families Atyidae, Eugonatonotidae, Rhynchocinetidae, Bathypalaemonidae, Processidae, and Hippolytidae." Smithsonian Contributions to Zoology. 1-106. https://doi.org/10.5479/si.00810282.381.1