Dam construction has serious consequences for aquatic ecosystems, and one of the most
serious is the “barrier effect,” the prevention of organism migration throughout a system. We …

Throughout the world, rivers are increasingly fragmented by artificial barriers, such as
damming and road crossing. In Japanese mountain streams, most populations of white-spotted …

Aim Previous studies have reported different brain morphologies in different cognitive subgroups
of patients with schizophrenia. We aimed to examine the brain structures and functional …

Identifying both the commonalities and differences in brain structures among psychiatric
disorders is important for understanding the pathophysiology. Recently, the ENIGMA-…

Dam construction has serious consequences, and one of the most serious concerns is the
fragmentation of riverine ecosystems. We reviewed the influence of habitat fragmentation on …

Patients with schizophrenia show severe impairment in social function and have difficulty in
their daily social life. Although a recent large-scale multicenter study revealed alterations in …

Obesity is associated with metabolic disorders, such as insulin resistance. Visfatin is an
adipose-derived secretory factor to exert insulin-mimetic effects. Plasma visfatin levels and …

Large fish often inhabit colder waters than small fish. Using a simple bioenergetic model,
we found that the optimal temperature for growth should decrease with increasing body size. …

We review the ecology and conservation of three lesser‐known chars (genus Salvelinus):
Dolly Varden (S. malma), white‐spotted char (S. leucomaenis), and bull trout (S. confluentus). …

The white-spotted charr ( Salvelinus leucomaenis ) is a coldwater-adapted fish distributed in
far-eastern Asia. To assess phylogeographic patterns of this species over most of its range …