Tag Archives: biodiversity

The rocks in fishes’ heads tell amazing stories

When I collect and research fish specimens for the Canadian Museum of Nature’s collection, I’m often particularly interested in the rocks in their heads. These tiny rocky structures, just millimetres in size, are called otoliths, or ear stones. For fishes, … Continue reading

Posted in Collections, Research, Species Discovery and Change | Tagged , , , , | 2 Comments

Cave Weevils in North America

Caves are known for their magnificent geologic structures, but the richness of their biodiversity is emerging into the light. Continue reading

Posted in Animals, Fieldwork, Research, Species Discovery and Change | Tagged , , , , , | 1 Comment

Learning about Life from a Molecule

How is your body made, organ by organ, from head to toe? DNA will tell you! Check out our DNA lab, a tool of the first order for understanding nature. Continue reading

Posted in Research, Species Discovery and Change, Tools of the trade | Tagged , , , , | 1 Comment

The Alphabet Soup of the Science World

Dr. Mark Graham describes the museum’s link to international efforts that conserve species and promote taxonomy. Continue reading

Posted in Animals, Plants and Algae, Research | Tagged , , , | Leave a comment

Scuba Diving for Freshwater Mussels in the Ottawa River

During their very successful field trip, scientist André Martel and teammates found a great variety and abundance of mussels, including the rare hickorynut—a species found in only six rivers in Canada! Continue reading

Posted in Animals, Fieldwork, Research, Water | Tagged , , , , , , | 3 Comments