Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

“Under environmental stress, many species will choose between survival and reproduction, but the epaulette shark might be ...

Furthermore, the team monitored shifts in blood and hormones while the mother sharks laid eggs, explained lead-author Carolyn ...

Epaulette sharks reproduce effortlessly, without using much energy. The epaulette sharks, also known as “walking sharks,” do not have a rise in energy use during their reproduction cycle, according to ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use. JCU's shark physiology research ...

Don't miss the big stories. Like us on Facebook. More than 2,700 No King events happened nationwide this past Saturday with thousands gathering at each location. These happened in the bluest of ...

In this segment of “North Dakota Outdoors,” host Mike Anderson takes us to Lake Sakakawea during this year’s fall fish reproduction survey. Fisheries supervisor Russ Kinzler says this year’s fall fish ...

The country's commercial fish catches in the Bay of Bengal have fallen sharply over the past three years and researchers have attributed the sharp decline in fish harvest to a combination of plastic, ...

A new study by the Shedd Aquarium has found that the Chicago River system continues to recover from pollution, as evidenced by the fish species that have been spawning in the river system. A report on ...

A research paper authored by a researcher at Shedd Aquarium and published in Journal of Great Lakes Research assesses the fish species that spawn in the Chicago River to sustain and support resilient, ...