Sex-changing species
Kobudai/Asian sheesphead wrasse (Photo by Zack CC BY-NC)
I recently watched a fascinating nature documentary series called Blue Planet II and was blown away by the wildlife spectacles that I saw and learned about in the series. One scene that especially stood out to me featured a 10-year-old female...
Something’s Fishy: Back to school
Black crappie (Photo by Eric Engbretson, USFWS)
September is a time for new beginnings. For many across Canada, a new school year has begun. Some may have just started post-secondary school, thousands of kilometres from their parents, while others might be attending school for the very first...
Everything you need to know about the threat of grass carp to the Great Lakes
Grass carp (Photo by the Asian Carp Regional Coordinating Committee)
Do you love fishing and boating on the Great Lakes? Are you passionate about the wildlife that live in the Great Lakes? If so, we have an important mission for you: Be on the lookout for grass carp! Grass carp is one of four invasive Asian carp...
Something’s Fishy: Dace of shade
Redside dace (Photo by K. Schmidt)
Fine, I’ll say it: as a redhead, I have an affinity for red-coloured species. It’s an unspoken alliance we gingers have — walking, swimming or climbing through a world where we might stand out from the crowd based on our...
Dive into Grand Cayman's pristine waters
Me diving in Grand Cayman (Photo by Rick Lambert)
In April, I went on a week-long scuba diving trip to Grand Cayman with 12 other members of a Toronto-based scuba diving club I belong to. While I had been diving in the Caribbean Sea several times before this trip, this was my first time doing it...
Something’s Fishy: Atlantic whitefish
Atlantic whitefish (Photo by Bob Semple)
In the cold waters of Nova Scotia’s Petite Rivière watershed swims a fish so elusive that, without action, it might never be seen again. Size and appearance This silvery-sided species, with its blueish-green back, is commonly...
Enlighten yourself about species that glow
Fireflies (Photo by Zach Baranowski CC BY-NC-ND)
I had my first encounter with a “glow-in-the-dark” species when I was a child. My parents and I were visiting relatives in St. Catharines, Ontario, and we were in their backyard enjoying the warm, summer evening. In the distance, I...
Something’s Fishy: Polar opposites
Polar bear mother and cub, Jones Sound, Nunavut (Photo by NCC)
Polar bears are the largest bear species and land carnivore in the world. They are found in the Arctic, where they scour sea ice and coasts for their next meal. Two-thirds of the global population of polar bears is found in Canada. The...
My bucket list adventure in the Galapagos Islands
Kristyn Ferguson in the Galapagos Islands (Photo by Jeff Verberne)
For many biologists, the Galapagos Islands are usually near the top of their list of places to see in this lifetime. On my bucket list they were annotated with an “!”. When my mentor and good friend James Duncan passed away suddenly in...
A trip to dive for
Diving next to the Cozumel sign (Photo by Stephen Mancuso)
Last November, I went to Cozumel, Mexico, on a scuba diving trip. This Caribbean island is a diver’s paradise and is renowned for its crystal clear, aqua-coloured waters, pristine coral reefs and drift diving, a type of scuba diving where...
