. The Canadian field-naturalist. 134 The Canadian Field-Naturalist [Vol. 61 A SURVEY OF THE DECAPOD CRUSTACEA OF WAILUPE COMMERCIAL FISH POND NEAR HONOLULU, HAWAII' By Donald C. G. MacKay University of Hawaii and University of British Columbia WAILUPE POND, on the island of Oahu, was chosen for study as a typical Hawaiian commercial fish pond. It may therefore be of interest to present a report, including an annotated list of species, on the Decapod Crustacea of this pond. The undertaking was part of a larger survey made in 1941-42 by members of the Zoology De- partment of the University of Ha
. The Canadian field-naturalist. 134 The Canadian Field-Naturalist [Vol. 61 A SURVEY OF THE DECAPOD CRUSTACEA OF WAILUPE COMMERCIAL FISH POND NEAR HONOLULU, HAWAII' By Donald C. G. MacKay University of Hawaii and University of British Columbia WAILUPE POND, on the island of Oahu, was chosen for study as a typical Hawaiian commercial fish pond. It may therefore be of interest to present a report, including an annotated list of species, on the Decapod Crustacea of this pond. The undertaking was part of a larger survey made in 1941-42 by members of the Zoology De- partment of the University of Hawaii. Wailupe pond and the connected Punakou pond (see figure 1) are located on the south shore of the island of Oahu about three miles east of Honolulu. The main pond covers an area of about thirty-five acres and is quite shallow, having a maximum depth of about four feet and an average depth of about two feet. The bottom is covered with mud, in some places to a considerable depth, and vegetation is notably lacking. The water is so extremely murky that the bottom cannot be seen except at the extreme edges of the pond. Collecting is frequently difficult and it is possible that some of the more active and swift-moving crustaceans may have escaped capture. However, this danger is minimized since claws or complete exoskele- tons of crustaceans living in the pond would likely be present in the samples taken, and these, when found, were retained and iden- tified. They are included in this report. Collections were made over the period be- ginning on November 11, 1941, and ending on May 1, 1942. For the station locations mentioned herein the reader is referred to figure 1. SEA REEF SEA iOO FEET. PUNAKOU POND '>>^-'-':i<^:''\^:{'i':yjy-'''y^yS'^:''^-'i'' ^J'''' ''.''K''''*'^'''' KALANIANAOLE HIGHWAY TO HONOLULU Fig. 1. Diagrammatic representation of Wailupe Fish Pond. Numbers inside the pond outline indicate collecting stations; numbers outside the pond refer to inlets. The lo
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