TakingOver

Atfirst,therewereonlyafewlionfish.Soon,thereweremanymore.In2010,scientistsnamedlionfishoneofthetopdangersto biodiversity. Why?


Lionfisharepredators.Onelionfishcaneat5,000fishperyear.Lionfishcanwipeoutsmallfishandshrimpsinanarea.Here,thelionfishhavenopredators.So,there’snothingtostop them.

Alionfishswimsnearamangrove forest.

NewRules

Lionfishdon’talways“followtherules.”Forexample,manyyoungfishliveinshallowsaltwater.Itisasafeplaceforthem.Thereisfoodandshelter.Mostpredatorsstayaway.Notlionfish!Theyhunttherewith ease.

Thisyoungsnapperisbeingcleanedby humpback cleaner shrimp.

Lionfishalsohuntat“cleaningstations.”Theseareusuallysafeplaces.Largerfishlineuptogetcleanedbysmallerfish.Thesmallfishgetameal.Thelargerfishgetclean.Nofishgetseaten.Unlessalionfishswims by!

Theselionfishcrowdtogetheraroundonecoral reef.