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Decapod Crustaceans of the Headwater Streams of Pohnpei, Eastern Caroline Islands, Federated States of Micronesia
|Title:||Decapod Crustaceans of the Headwater Streams of Pohnpei, Eastern Caroline Islands, Federated States of Micronesia|
|Authors:||Buden, Donald W.|
Lynch, Brian D.
Short, John W.
|Issue Date:||Jul 2001|
|Publisher:||University of Hawai'i Press|
|Citation:||Buden DW, Lynch BD, Short JW, Leberer T. 2001. Decapod crustaceans of the headwater streams of Pohnpei, Eastern Caroline Islands, Federated States of Micronesia|
|Abstract:||Two species of Macrobrachium (Palaemonidae) and three atyid shrimp
(Atyidae) species were identified among 986 decapod crustaceans collected in
headwater streams on Pohnpei, Micronesia, during 1999 and among incidental
collections in 2000. None is endemic to the island; all are indigenous or at least
not of recent human introduction, and all occur widely in the Indo-West Pacific
region and have a diadromous life history pattern. Both Macrobrachium lar
(Fabricius, 1798) and M. latimanus (Von Martens, 1868) are common in Pohnpei
rivers, but M. latimanus outnumbers M. lar especially in the uppermost
reaches. Atyoida pilipes (Newport, 1847) accounted for 72% of the atyid sample,
and it was the only decapod recorded at elevations as high as 604 m; Caridina
weberi (De Man, 1892) composed 21% of the sample and C. typus (H. Milne
Edwards, 1837) 6.4%. Ovigerous females were collected throughout the year
for three of the five species; the absence of ovigerous Macrobrachium lar and
Caridina typus during August-November was possibly due to small sample sizes.
Freshwater shrimps do not currently form an important part of the diet of
Pohnpei islanders, but historical accounts suggest that shrimps were utilized
more in the past when imported foods and advanced technology for harvesting
marine resources were not readily available.
|Appears in Collections:||Pacific Science Volume 55, Number 3, 2001|
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