Pacific Clown Anemone Shrimp

Periclimenes brevicarpalis (Schenkel, 1902)

Restricted synonymy:

Ancylocaris brevicarpalis Schenkel, 1902, p. 563, pl. 13 (fig. 21).

Periclimenes (Ancylocaris) brevicarpalis Kemp, 1922, pp. 169 (key), 185, figs. 40-42, pl. 6 (fig. 8).—Barnard, 1950, p. 794, fig. 150e-h.

Periclimenes (Harpilius) brevicarpalis Holthuis, 1952, pp. 10, 69-73, fig. 27 [full synonymy].—Barnard, 1955, p. 48 (key).—Johnson, 1961, p. 59, tab. 1 (p. 75).—Miyake and Fujino, 1968, pp. 410-413, fig. 4.—McNeill, 1968, p. 22.

Periclimenes brevicarpalis Kalk, 1958, 43, 47 p. 54, 75, 80, 117, 126.

MATERIAL EXAMINED.—(1) Cerf Is., Mahé Seychelles Islands, 9 December 1964, 2 non-ovigerous .

DISTRIBUTION.—Known throughout the Indo-West-Pacific region from the Red Sea and Mozambique to Palau, Santa Cruz, and the Great Barrier Reef.

Periclimenes brevicarpalis (Schenkel, 1902)

Palaemonella amboinensis Zehntner, 1894:206, pl. 9: fig. 27 [type locality: Ambon, Indonesia: not Periclimenes amboinensis De Man, 1888].

Ancylocaris brevicarpalis Schenkel, 1902:563, pl. 13: fig. 21 [type locality: Makasar, Celebes].

Palaemonella aberrans Nobili, 1904:233 [type locality: Djibouti]

Harpilius latirostris Lenz, 1905:380, pl. 47: fig. 14 [type locality: Mkokotoni and Bawi, Zanzibar].

Periclimenes potina Nobili, 1905b:159 [type locality: southeast coast of Arabia].

Periclimenes hermitensis Rathbun, 1914:655, pl. 1: figs. 1–3 [type locality: Hermite, Monte Bello Islands, Western Australia].

Periclimenes (Ancylocaris) brevicarpalis.—Kemp, 1922:185, figs. 40–42, pl. 6: fig. 8.

Periclimenes (Harpilius) brevicarpalis.—Holthuis, 1952c:69, fig. 27.

Periclimenes brevicarpalis.—Bruce, 1983c:879, fig. 7D,E.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum not overreaching antennal scale, palaemonoid, nearly horizontal, rostral formula 0 + 1 + 4–7/1–2, posteriormost tooth not isolated from remainder of dorsal rostral series; carapace without supraorbital or postorbital spine, hepatic spine no larger than antennal spine, arising posteroventral to latter, not extending beyond anterior margin of carapace, orbital angle not ovate; abdomen without compressed dorsal prominence on 3rd somite, 6th somite about 1 times as long as 5th; telson with 2 pairs of inconspicuous dorsolateral spines anterior to posterior margin, both pairs arising in posterior of length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale slightly less than 2 times as long as wide, lateral margin nearly straight, distolateral tooth not nearly reaching level of distal margin of blade; 4th thoracic stemite without slender median process; 1st pereopod overreaching antennal scale, fingers not pectinate on opposable margins; 2nd pereopods similar, subequal, fingers slightly shorter than palm, carpus about as long as palm, about 1 times as long as distal width, without distal spines, merus without distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, usually simple, rarely biunguiculate, flexor margin slightly sinuous, propodus without spinules or with single distal pair on flexor margin, not segmented; 5th pereopod not reaching distal end of antennal scale; uropod overreaching extended telson; maximum postorbital carapace length about 8 mm.

RANGE.—Red Sea, eastern and South Africa, Ryukyu Islands and Honshu, Japan, south to Capricorn Islands, Great Barrier Reef, Australia, and east to Line Islands; associated with sea anemones.