Study Finds Invasive Species May Spawn Twice a Year in the Bay

Study Finds Invasive Species May Spawn Twice a Year in the Bay

Source: chesapeake bay magazine

9/24/2024

A study of invasive snakehead fish (legally renamed the more palatable “Chesapeake channa” in Maryland) comes up with a disturbing discovery.

As the state continues to fight the spread of northern snakehead, Maryland Department of Natural Resources Biologist Dr. Joseph Love has uncovered evidence that the invasive species could be spawning twice a year in Bay waters.

Love’s study, published in the July 2024 edition of Northeastern Naturalist, found that the majority of female snakeheads collected from the upper Chesapeake Bay carried eggs in two distinct sizes, one much larger than the other, suggesting the fish may be spawning at two different times of year.

Northern snakehead

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