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Marine and Freshwater Biology (Honours) at University of Guelph

University of Guelph, Canada

Programme overview

The Marine and Freshwater Biology major capitalizes on Guelph’s recognized excellence in aquatic research and provides a broad perspective on aquatic environments based on the physical as well as the biological sciences. In this major, students will build upon core courses in ecology, evolution, genetics, and physiology of aquatic biota as they study freshwater and marine environments and work with aquatic organisms experimentally in the field and in the lab. They will have the opportunity to perform independent research projects under a variety of field and laboratory conditions to enhance their learning experience.

Faculty: College of Biological Science  |  Department: Department of Integrative Biology  |  Duration: 8 semesters  |  Study mode: full-time; co-op option available  |  Location: Guelph, Ontario, Canada

What you will study

Required courses include Ecology, Evolution, Vertebrate Structure and Function, Introduction to Biochemistry and Foundations in Molecular Biology and Genetics.

Career pathways

The major prepares students for post-graduate work in the aquatic sciences, and provides a sound scientific background for students wishing to pursue careers in academia, government service, private sector (e.g., NGOs, fisheries, aquaculture, biotechnology, consulting), conservation, education and research.

Official programme page

Application information

Entry requirements

Ontario Secondary School Diploma with ENG4U; MHF4U; two of SBI4U, SCH4U or SPH4U, two additional 4U or 4M courses. Applicants educated outside Ontario or Canada are assessed against equivalent subject requirements.

Domestic applicants: CAD 6,212 a year (2026-27). Domestic Ontario student: tuition only, $3,106.37 per semester for Fall 2026 and Winter 2027 (two semesters; full-time, 2.00+ credits). Compulsory fees and co-op fees are not included. Source

International applicants: CAD 44,552 a year (2026-27). International student, 2026 cohort: tuition only, $22,276.10 per semester for Fall 2026 and Winter 2027 (two semesters). Compulsory fees and UHIP health insurance are not included. Source

Fall entry (September) for Canadian high school, international and transfer applicants; winter 2027 entry is also available to international and transfer applicants (application deadline November 1).

Tuition and fees are billed by semester: Fall, Winter and Summer.

Canadian high school applicants apply through the Ontario Universities' Application Centre (OUAC). Application deadline for students currently enrolled in high school is January 15 (later applications continue to be considered); Doctor of Veterinary Medicine (Canadian applicants) deadline is December 1; Bachelor of Landscape Architecture and Associate Diploma in Turfgrass Management Background Information Forms are due February 1; deadline to accept an offer of admission through OUAC is June 1.

International applicants: application deadline for winter 2027 is November 1; high school students studying outside Canada apply for fall 2027 entry by May 15; the international tuition deposit is $2,000; Bachelor of Landscape Architecture applications close February 1.

Transfer applicants: application deadline for winter 2027 is November 1; for fall 2027 entry the deadline is April 1.

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