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/ Home / reproduction

reproduction

Marine sharks and rays ‘use’ urea to delay reproduction

Marine sharks and rays ‘use’ urea to delay reproduction

Researchers found that high urea concentrations common in cartilaginous fish, particularly oviparous marine species, allow them to mature and begin to reproduce at a larger fraction of their maximal size.

Posted in 2024, IOFNews, News Release | Tagged with Daniel Pauly, fishing pressure, IOF students, rays, reproduction, Research, Sea Around Us, sharks, urea

Diving, snacking, laying eggs! What do different hemoglobin levels mean for gentoo penguins?

Diving, snacking, laying eggs! What do different hemoglobin levels mean for gentoo penguins?

Gentoo penguins have to food forage before laying eggs. The amount of hemoglobin in their blood may increase diving capacities. Increased diving may mean more tiny penguin chicks.

Posted in 2023, IOFNews, News Release | Tagged with biology, birds, energetics, faculty, Falkland Islands, foraging, hemoglobin, IOF alumni, IOF students, Marie Auger-Methe, penguins, reproduction, seabirds

Institute for the Oceans and Fisheries
Faculty of Science
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The University of British Columbia
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Tel 604 822 2731
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