Browsing Pacific Science by Author "Yamaguchi, Masashi"

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Effect of Elevated Temperature on the Metabolic Activity of the Coral Reef Asteroid Acanthaster planci (L.)

Yamaguchi, Masashi (University of Hawai'i Press, 1974-04)

Standard rate of oxygen uptake in the coral reef asteroid Acanthaster planci(L.) was determined for the temperature range of 25° to 33° C and a metabolic rate-temperature (M-T) curve was drawn. Acanthaster planci is a ...
Genetic Relationships among Species of Meretrix (Mollusca: Veneridae) in the Western Pacific Ocean.

Yashiki Yamakawa, Ayako; Yamaguchi, Masashi; Imai, Hideyuki (Honolulu, University of Hawaii Press, 2008-07)

We compared allozymes at 12 loci in 12 populations of six species of Meretrix: M. lusoria ( Japan, Korea, and Taiwan), M. petechialis (China and Korea), M. ovum (Thailand and Mozambique), M. lyrata (China), M. lamarckii ( ...
Growth of Juvenile Acanthaster planci (L.) in the Laboratory

Yamaguchi, Masashi (University of Hawai'i Press, 1974-04)

Seven juvenile Acanthaster planci were reared from fertilized eggs to sexual maturity in 18 to 21 months in the laboratory. Four-month-old juveniles, about 8 mm in total diameter, began to transform into coral predators ...
Population Structure, Spawning, and Growth of the Coral Reef Asteroid Linckia laevigata (Linnaeus)

Yamaguchi, Masashi (University of Hawaii Press, 1977-01)

The blue coral reef asteroid Linckia laevigata (Linnaeus) makes up conspicuous adult-only populations on shallow reef flat habitats in the tropical Indo-West-Pacific. Monthly year-round census showed a consistent ...