Fly-fishing

“If the invasive goldfish escape into waterways downstream, they pose a threat to native species such as channel catfish, pumpkinseed and blue gill sun fish. … Authorities are seeking the public’s help in finding out who dumped the goldfish.” (http://uk.reuters.com/article/2015/04/11/us-usa-colorado-goldfish-idUKKBN0N12BA20150411)

The pumpkinseed originally drew the canaryfish. The catfish had to be sent in after it, but became distracted by the magpiefish that were following the blue gill sun fish. Thankfully this bungled trophic cascade was halted before helpful local residents released dogfish, lionfish or human angler fish.
Next week: more non-native nonsense here on Channel Catfish.

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