Pacific Science Volume 34, Number 4, 1980
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Pacific Science is a quarterly publication devoted to the biological and physical sciences of the Pacific Region.
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Item 34: Index - Pacific Science(University of Hawaii Press, 1980)Item The Labrid Fish Genus Pseudolabrus from Islands of the Southeastern Pacific, with Description of a New Species from Rapa(University of Hawaii Press, 1980-10) Russell, Barry C.; Randall, John E.The labrid genus Pseudolabrus is represented in the islands of the southeast Pacific by three previously known species, P. fuentesi, P. semifasciatus, and P. gayi. A new species from Rapa, P. torotai, is described; it closely resembles P. semifasciatus from Easter Island, but is distinctive in having a completely banded color pattern on the body, compared to the half-banded pattern of P. semifasciatus.Item Two New Indo-Pacific Labrid Fishes of the Genus Halichoeres, with Notes on Other Species of the Genus(University of Hawaii Press, 1980-10) Randall, John E.Two new wrasses of the genus Halichoeres are described: H. chrysus, a bright-yellow species with one to three black spots in the dorsal fin and one at the upper base of the caudal fin, which occurs in the western Pacific and at Christmas Island in the Indian Ocean; and H. melasmapomus, which is distinctive in having a large blue-edged black spot on the opercle, and occurs in Oceania, the western Pacific, and at Christmas and Cocos-Keeling Islands in the Indian Ocean. Halichoeres leparensis is shown to be the female of H. argus. The male and female color phases of H. melanurus are differentiated. Halichoeres gymnocephalus is synonymized as the female of H. chloropterus and H. kawarin as the male of H. timorensis. The very different juvenile color patterns of H. podostigma and H. prosopeion are described.Item A New Indo-Pacific Fish of the Genus Cirripectes (Blenniidae, Salariini)(University of Hawaii Press, 1980-10) Carlson, Bruce A.Cirripectes auritus is described from the Line Islands in the central Pacific, southeast Asia, and the western Indian Ocean. It is distinguished from other Cirripectes in having a small black flap with a fringe of tiny yellow cirri on either side of the nape, a low number of premaxillary and dentary incisor teeth, 15-17 dorsal and 16-18 anal rays, and a reduced number of cephalic sensory pores.Item Contributions to the Knowledge of the Alpheid Shrimp of the Pacific Ocean Part XIX. On Alpheus randalli, a New Species of the Edwardsii Group Found Living in Association with a Gobiid Fish(University of Hawaii Press, 1980-10) Banner, Albert H.; Banner, Dora M.A new species of snapping shrimp, Alpheus randalli, which was collected in association with a goby, Amblyeleotris sp., in the Marquesas is described. A shrimp of similar coloration and association was observed in the Indian Ocean. This species is the second of the Edwardsii group reported to live in association with gobies.Item Pontoniine Shrimps from the Great Astrolabe Reef, Fiji(University of Hawaii Press, 1980-10) Bruce, A.J.Item Stylobates: A Shell-Forming Sea Anemone (Coelenterata, Anthozoa, Actiniidae)(University of Hawaii Press, 1980-10) Dunn, Daphne Fautin; Devaney, Dennis M.; Roth, BarryAnatomy and cnidae distinguish two species of deep-sea actinians that produce coiled, chitinous shells inhabited by hermit crabs of the genus Parapagurus. The actinian type species, Stylobates aeneus, first assigned to the Mollusca, occurs around Hawaii and Guam with P. dofleini. Stylobates cancrisocia, originally described as Isadamsia cancrisocia, occurs off east Africa with P. trispinosus.Item Two New Species of Pogonophora from Hawaii(University of Hawaii Press, 1980-10) Southward, Eve C.The first Pogonophora to be reported from the Hawaiian region have been found in collections made near Oahu and Lanai islands, dredged from depths between 275 and 595 m. New species of Siboglinum and Oligobrachia are described.Item Abundance, Diversity, and Resource Use in an Assemblage of Conus Species in Enewetak Lagoon(University of Hawaii Press, 1980-10) Kohn, Alan J.Eight species of the gastropod genus Conus co-occur in sand substrate and an adjacent meadow of Halimeda stuposa in Enewetak lagoon, an unusually diverse assemblage for this type of habitat. Population density is high, and large species predominate; they represent all major feeding groups in the genus: predators on polychaetes, enteropneusts, gastropods, and fishes. Although the two most common Conus species eat primarily the same prey species, they mainly take prey of different sizes in different microhabitats. The results suggest that sufficient microhabitat heterogeneity and prey diversity exist to permit spatial segregation and specialization on different prey resources by the different Conus species present. Between-species dissimilarity in resource use thus agrees with previous observations on more diverse Conus assemblages of subtidal coral reef platforms. Prey species diversity is inversely related to body size, confirming and extending a previously identified pattern among Conus species that prey on sedentary polychaetes.Item 34:4 Table of Contents - Pacific Science(University of Hawaii Press, 1980-10)