Periclimenes diversipes Kemp 1922

Periclimenes diversipes Kemp, 1922

Periclimenes (Ancylocaris) diversipes Kemp, 1922, pp. 169 (key), 179-184, figs. 36-39.—Gurney, 1938, pp. 15, 17-18, 27-28, figs. 61-66, 123.

Periclimenes (Harpilius) diversipes Holthuis, 1952, p. 11.—Patton, 1966, pp. 274, 288.

MATERIAL EXAMINED.—(1) Mounimeri Is., Zaoudzi, le Mayotte, Comoro Islands, 23 November 1964, 1 ovig. . (2) Gold Mohur Bay, Aden, 21 December 1964: (a) 8 specimens, including 3 ovig. ; (b) 3 specimens, including 1 ovig. ; (c) 2 specimens.

DISTRIBUTION.—This species has only been reported previously from the Red Sea, Gulf of Manaar, the Andaman Islands, and the Great Barrier Reef.

Periclimenes diversipes Kemp, 1922

Periclimenes (Ancylocaris) diversipes Kemp, 1922:179, figs. 36–39 [part; type locality: Kilakarai, Gulf of Mannar, southern India; low tide, among corals of genus Montipora].

Periclimenes diversipes.—Bruce, 1979f:221.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum not reaching level of distal end of antennal scale, palaemonoid, directed slightly anteroventrad, except more anteriad apically, rostral formula 1 + 4–6/0–2, posteriormost tooth not isolated from remainder of dorsal rostral series, situated slightly anterior to level of hepatic spine; carapace without supraorbital spine, hepatic spine no larger than antennal spine, arising directly posterior to latter, not extending beyond anterior margin of carapace, orbital angle bluntly triangular, not ovate; abdomen with 6th somite about 1 times as long as 5th; telson with 2 pairs of dorsolateral spines anterior to posterior margin, anterior pair arising slightly posterior to mid-length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale 2–2 times as long as wide, lateral margin nearly straight, distolateral tooth not nearly reaching level of distal margin of blade: 4th thoracic sternite without slender median process; 1st pereopod reaching about to level of distal end of antennal scale, fingers minutely pectinate, visible only under high magnification; 2nd pereopods markedly unequal, dissimilar, fingers varying from to more than twice as long as palm, major chela with fixed finger distally bidentate, carpus from less than as long to longer than palm, from little longer than wide to more than 2 times as long, unarmed, merus without distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, simple, not biunguiculate, flexor margin concave, propodus without distinct spines on flexor margin, not segmented; maximum postorbital carapace length less than 2 mm.

RANGE.—Red Sea and Madagascar to Singapore and Gulf of Thailand, to Great Barrier Reef of Australia and Coral Sea; associated wiith scleractinian corals.

*122. Periclimenes elegans (Paulson, 1875)

Anch[istia] elegans Paulson, 1875:113, pl. 17: fig. 1 [type locality: Red Sea].

Periclimenes (Falciger) dubius Borradaile, 1915:211 [type locality: Minicoy, Laccadive Islands].

Periclimenes (Ancylocaris) elegans.—Kemp, 1922:215, figs. 60–62.

Periclimenes (Harpilius) elegans.—Holthuis, 1952c:81, fig. 31.

Periclimenes elegans.—Bruce, 1983c:884.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum reaching to or beyond level of distal end of antennal scale, palaemonoid, directed slightly anterodorsad anteriorly, rostral formula 1–2 + 5–6/3–6, posteriormost tooth somewhat isolated from remainder of dorsal rostral series, situated posterior to level of hepatic spine; carapace with supraorbital spine, hepatic spine not noticeably larger than antennal spine, arising slightly posteroventral to latter, not extending beyond anterior margin of carapace, orbital angle convex, not ovate; abdomen without compressed dorsal prominence on 3rd somite, 6th somite about 1 times as long as 5th; telson with 2 pairs of dorsolateral spines anterior to posterior margin, anterior pair arising on anterior of length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale 4–5 times as long as wide, lateral margin concave, distolateral tooth distinctly overreaching distal margin of blade; 4th thoracic sternite with slender median process; 1st pereopod overreaching antennal scale by about length of chela, fingers not pectinate on opposable margins; 2nd pereopod with fingers – as long as palm, carpus subequal to palm in length, 4–4 times as long as distal width, with 2 distal spines, merus with distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, simple, not biunguiculate, flexor margin slightly concave, propodus with spinules on flexor margin, not segmented; 5th pereopod not nearly reaching distal end of antennal scale; uropod not reaching level of distal end of extended telson; maximum postorbital carapace length more than 4 mm.

MATERIAL.—PHILIPPINES. Off Jolo Island, Sulu Archipelago: sta 5141; 6°09′N, 120°58′E; 53 m; coral sand; 15 Feb 1908 (0847–0905); 12′ Agassiz beam trawl, mud bag: 3 males [2.8–4.1] 9 females [2.7–4.0].—Near Siasi, Sulu Archipelago: sta 5147; 5°41′40″N, 120°47′10″E; 38 m; coral sand, shells; 16 Feb 1908 (1127–1147); 12′ Agassiz beam trawl, mud bag: 3 ovig females [2.0–3.3].

RANGE.—Red Sea and western Indian Ocean to Hong Kong, Philippines, Great Barrier Reef of Australia, and Marshall Islands.

A common associate of a wide variety of corals in shallow water bays or lagoons (Bruce, 1974). Also recorded from the Australian Great Barrier Reef (Bruce, 1977)