- Occurrence in the field of a long-term, year-round, stable population of placozoansYoshihiko K Maruyama
Section of Marine Biological Science, Education and Research Center for Biological Resources, Faculty of Life and Environmental Science, Shimane University, 194 Kamo, Saigo, OKI, Shimane 685 0024, Japan
Biol Bull 206:55-60. 2004..Placozoans were present every year from 1989 through 2000. A seawater aquarium was also studied and provided a considerable number of placozoans for more than 1 year...