This systematic review examines the relationship between social cognition (SC) and social behavior in patients with neurodegenerative diseases. Social behavioral changes impact both patients and caregivers, contributing to increased caregiver burden and institutionalization risks. SC impairments are common in different neurodegenerative diseases and are assumed to underlie social behavioral changes. However, it has not been sy...

A new genus and species of Loricifera, Scaberiloricus samba gen. et sp. nov., is described from the continental shelf and slope off Rio de Janeiro, Brazil. Adult morphology remains unknown for the new entity, but information is available from three different Higgins larval instars. The Higgins larva of the new species is characterised by a bulbous head and a slender, elongate trunk, separated by a constriction behind the head....

Fish often migrate to feed, reproduce and seek refuge from predators and prevailing environmental conditions. As a result, migration tactics often vary among species based on a diversity of life history needs, although variation within species is increasingly being recognised as important to population resilience. In this study, within‐ and among‐species diversity in life history migratory tactics of six Mekong fish genera was...