ICHTHYOLOGICAL RESEARCH 59(4) 354-364 2012年11月 [査読有り]
To clarify food resource use and niche breadths of the Japanese fluvial sculpin Cottus pollux (large-egg type), listed by over half the prefectures as an endangered species, we examined the diet and food selectivity of 168 specimens at 7 locations...
ECOLOGY OF FRESHWATER FISH 21(1) 1-11 2012年1月 [査読有り]
Social and foraging modes in fish often vary between individuals with different body sizes and between populations under different ecological conditions. We studied social and foraging behaviour of algae-grazing fish Plecoglossus altivelis ryukyue...