For many animals including humans, the ability to identify different individuals among their own kind is an essential ability for everyday living. Faces are the most important body part for individual ...

Medaka fish that lacked functional Hmgn2 genes were unable to distinguish between simple shapes, revealing a new function for the regulatory gene. Medaka fish that lacked functional Hmgn2 genes were ...

Yale-NUS Assistant Professor of Science Dr Ajay Mathuru has discovered that the medaka fish has an 'alarm response' to a type of semiochemical (message-bearing chemicals that carry information from ...

Akira Kudo at Tokyo Tech and colleagues report in Scientific Reports, December 2016, that live-imaging and transcriptome analysis of medaka fish transgenic lines lead to immediate alteration of cells ...

Larval nutrition plays a role in determining the sexual characteristics of Japanese rice fish, also called medaka (Oryzias latipes), report a team of researchers led by Nagoya University. The findings ...

Medaka have been found to be active late at night, with high levels of courtship behavior between 2 a.m. and 3 a.m. Observing animal behavior in a laboratory offers a controlled environment, but these ...

The diminutive medaka (Japanese rice fish) have been kept as pets since the Edo Period (1603-1868). They are hardy animals, an important quality for a pet, and they naturally occur in a variety of ...

Scientists could gain insight into atypical sex development in vertebrates, including humans, by studying how nutrition affects sex changes in fish larvae. Larval nutrition plays a role in determining ...