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Animal Ecology Lab
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A lab that reads the way of life and evolution of wild animals through genetic analysis.
AboutAbout the lab
Understanding the ecology and evolution of wild animals through genes.
The Animal Ecology Lab studies the ecology and evolutionary mechanisms of wild animals through genetic analysis.
It explores how wild organisms live and pass on life in nature, and how they relate to human activities, from the perspectives of ecology, evolution, genetics, and conservation.
The professor is very fond of salmonid fishes, but the topics students choose range widely, covering not only fish but also mammals, birds, and invertebrates.
A major goal is also to give the knowledge gained back to society in the field of wildlife conservation.
Key terms
- Population genetics
- The study of how genetic differences arise and change within populations of the same species
- Population ecology
- The study of how the size and distribution of a group of organisms of the same species (a population) are determined and how they change
- Evolutionary ecology
- The study of how the lifestyles of organisms and their relationships with the environment have been shaped by evolution
NewsLab news
Two papers on char in Shiretoko published in Climate Change Ecology and Journal of Fish Biology
A collaborative research paper on a nationwide survey of coastal fishes using environmental DNA accepted by Scientific Reports
A paper revealing the phylogeography of freshwater fishes using environmental DNA accepted by Molecular Ecology
ResearchResearch themes
Targeting the biological phenomena of a wide variety of animals in the wild, the lab uses methods such as evolutionary ecology, population genetics, population ecology, and ecogenomics to uncover the factors and mechanisms behind their evolution. Using field surveys, DNA analysis, rearing experiments, and computer simulations, it deepens understanding of the ecology and evolution of wild animals and also considers how conservation should be carried out.
View More ↗MembersFaculty
The members of the Animal Ecology Lab consist of faculty, postdoctoral researchers, technical support staff, and students in the doctoral, master's, and undergraduate programs, including working professionals.As of 2025
- ProfessorHitoshi Araki
- Assistant ProfessorMasayuki Sakata
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Salvelinus malma malma from Quicksilver Creek” Jim Gaither, U.S. Fish and Wildlife Service / Public domain (cropped)
- Related lab (Crop Physiology Lab): “Cypripedium marcanthum var. rebunense” ほくなん / Public domain (cropped)
- Related lab (Plant Genetic Resources Lab): “Soybeanvarieties” Scott Bauer / Public domain (cropped)
- Related lab (Systematic Entomology Lab): “Insect specimen drawer New Zealand Arthropod Collection” Siobhan Leachman / CC0 (cropped)
- Related lab (Floriculture and Green Space Planning Lab): “Kushiro river01” 欅 (Keyaki) / CC BY-SA 3.0 (cropped)
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