Lion fish serve as a great addition for large private aquariums. However, they don’t belong everywhere.
Lionfish are native to the Indian and Pacific Oceans and live there in a balanced ecosystem. In 1985 lionfish were spotted off the east coast of Florida, most likely introduced there by aquarium owners discarding these beautiful fish into the ocean. Since then, lionfish have relentlessly invaded the western Atlantic, with scientists estimating well over a million fish devastating reefs and fisheries in all warm water regions, especially around Florida, throughout the Caribbean, and Bermuda. Moreover, the population continues to expand rapidly without check. Lionfish mature in 12 months and spawn approximately 30,000 eggs every 4–5 days, or about 2 million eggs per year.
Lionfish are indiscriminate and voracious predators that do not stop feeding. They gorge on at least 70 different species of reef fish and crustaceans and are capable of eating prey up to half the size of their own body. A single lionfish can reduce the fish biomass on a reef by 80% in just one month. Lionfish are armed with 18 venomous spines making them an unattractive food source for other marine creatures. This apex predator has almost no natural predators of its own in the Atlantic. With no apparent limit to their population growth, other than water temperature, lionfish pose a huge threat to the fish stock of the western Atlantic Ocean.
Searching for a solution
The unsolved disaster resulting from the infestation of lionfish in the western Atlantic begs for new ideas and a new approach. To be effective, the solution needs to be widely deployable and economically self-sustaining. It needs to be able to reach large lionfish populations at depths down to 1,000 feet, as well as guard reefs from infestation.
Divers have volunteered to head out to the oceans to try to help.
The numbers of lionfish found in deeper waters, sometimes in large colonies, is staggering. Sadly, sport divers are very limited in the areas where they go with adequate frequency and in sufficient numbers to have a meaningful impact. Sport divers can only effectively hunt lionfish in depths down to 80 feet, and usually do not travel far from shore.
Will this be a solution?
An undersea robot will enable the capture of lionfish from areas not easily reachable by people.
On April 19, 2017, RSE was in Bermuda to unveil a functional design prototype of an affordable robot that will enable the mass capture of lionfish below depths reachable by sport divers, where the population expands unchecked. They also unrolled a kickstarter campaign to help bring it to the market. https://www.kickstarter.com/projects/rse/worlds-first-eco-robot-protecting-reefs-from-lionf?ref=project_link
Will this be the solution? Who knows.. Let’s wait and see.
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