Spiny Water Flea (Bythotrephes longimanus)
Spiny Water Flea (Bythotrephes longimanus)
Looking at the Spiny Water Flea (Bythotrephes longimanus) may make you conclude it is an alien from outer space, how it is a member of the crustacean family Cercopagididae. The Spiny Water Flea is considered an invasive species capable of colonizing the lower level of the food chain and leaving a trail of destruction in an ecosystem. Though it has origins in Northern Europe and Asia, it has also colonized the Great Lakes region. They have a rapid growth rate and are recognized by a long abdominal spine bearing several barbs for protection. Juveniles show one pair of barbs on their spine while adults possess four pairs of barbs.
The Spiny Water Flea has an overall length between .39”-.59” (10-15 mm), body width of .05”-.07” (1.2-1.8 mm), and body height of .04”-.06” (.9-1.4 mm). The typical lifespan of the Spiny Water Flea is between 1-2 weeks.
Looking at the Spiny Water Flea (Bythotrephes longimanus) may make you conclude it is an alien from outer space, how it is a member of the crustacean family Cercopagididae. The Spiny Water Flea is considered an invasive species capable of colonizing the lower level of the food chain and leaving a trail of destruction in an ecosystem. Though it has origins in Northern Europe and Asia, it has also colonized the Great Lakes region. They have a rapid growth rate and are recognized by a long abdominal spine bearing several barbs for protection. Juveniles show one pair of barbs on their spine while adults possess four pairs of barbs.
The Spiny Water Flea has an overall length between .39”-.59” (10-15 mm), body width of .05”-.07” (1.2-1.8 mm), and body height of .04”-.06” (.9-1.4 mm). The typical lifespan of the Spiny Water Flea is between 1-2 weeks.