dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Macrobrachium poeti Holthuis, 1984

Macrobrachium poeti Holthuis, 1984b: 143, fig. 1 [type locality: Luwang Jurangjero, south central Java (8°S, 111 °E), about 100 m below entrance].

DIAGNOSIS.—Rostrum not reaching level of distal end of antennal scale, dorsal margin nearly straight, rostral formula: 4–5 + 5–8/1, dorsal teeth subequally spaced; branchiostegal suture not extending posteriorly beyond hepatic spine; telson with posterior apex not overreaching posterolateral spines; antennal scale with lateral margin straight; 1st pereopod with chela as long as carpus; 2nd pereopods subequal in length and similar in form, palm subcylindrical, fingers without dense pubescence, denticulate on opposable margins, not gaping, 1 times as long as palm, palm without any dense pubescence, chela 3 times as long as carpus, palm 1 times as long as carpus, carpus more than as long as merus, without longitudinal grooves; 3rd pereopod overreaching antennal scale by length of dactyl, propodus without numerous spines or scales; maximum postorbital carapace length less than 15 mm.

RANGE.—Caves in the Pegunungan Sewu region, near the south coast of central Java, Indonesia.

*42. Macrobrachium rosenbergii (De Man, 1879)

Palaemon Rosenbergii De Man, 1879:167 [type locality: Andai, northwestern Irian Jaya].

P[alaemon] whitei (Guérin-Méneville ms) Sharp, 1893:122 [type locality: Bombay].

Palaemon spinipes Schenkel, 1902:501, pl. 9: fig. 7 [type locality: Kema, Minahasa, northeastern Celebes; not P. spinipes Desmarest, 1817].

Palaemon d'Acqueti Sunier, 1925:cxvii [type locality: Ambon ?].

Palaemon carcinus.—Cowles, 1914:324, pl. 1: fig. 1 [not Cancer carcinus Linnaeus, 1758].

Macrobrachium rosenbergii.—Holthuis, 1950a: 111, fig. 25.—Kuris, Ra'anan, Sagi, and Cohen, 1987:219.

DIAGNOSIS.—Rostrum overreaching antennal scale or not, dorsal margin variably sinuous, rostral formula: 2–3 + 9–11/8–15, dorsal teeth unequally spaced; branchiostegal suture not extending posteriorly beyond hepatic spine; telson with posterior apex overreaching posterolateral spines; antennal scale with lateral margin straight; 1st pereopod with chela less than as long as carpus; 2nd pereopods subequal in length and similar in form, palm subcylindrical or somewhat compressed, movable finger clothed in dense pubescence on proximal of length (in adults), fixed finger without pubescence, fingers dentate on proximal of opposable margins (in adults), somewhat gaping in large males, to quite as long as palm, palm without any dense pubescence, chela slightly to 1 times as long as carpus, palm to quite as long as carpus, carpus slightly to nearly 1 times as long as merus, with indistinct longitudinal groove; 3rd pereopod overreaching antennal scale by less than length of dactyl, propodus bearing rather numerous spines or sharp scales; maximum postorbital carapace length about 100 mm.

MATERIAL.—PHILIPPINES. Zamboanga River, Mindanao; [6°54′N, 122°04′E]; 9 Oct 1909: 1 male [81.3].

RANGE.—India to southern China, Philippines, Indonesia, and northern Australia, in fresh, brackish, and sometimes salt water; widely introduced elsewhere throughout the tropical and subtropical parts of the world in propagation operations.
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bibliographic citation
Chace, Fenner Albert, Jr. and Bruce, A. J. 1993. "The caridean shrimps (Crustacea: Decapoda) of the Albatross Philippine Expedition 1907-1910, Part 6: Superfamily Palaemonoidea." Smithsonian Contributions to Zoology. 1-152. https://doi.org/10.5479/si.00810282.543