Labeled an invasive species by the EPA, redclaw crawfish can reproduce prolifically and grow to a significant size, comparable to a lobster, according to TPWD.
They also taste like lobster.
Redclaw crawfish were first detected in the South Texas pond in 2013, according to TPWD. The pond is connected to a nearby water channel.
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Collectively, the discoveries are just the second instance of the species being found in the wild in the U.S. The other happened in California.
TPWD Aquatic Biologist Dr. Archis Grubh said he found three additional redclaw in July, two miles away from the apartment pond.
"We don't know when these invasive crawfish were first introduced or how far they have spread, but we do know they can have a negative effect on local species and biodiversity," Grubh said in a release.
Redclaw meat is apparently moist and firm, sweet and delicate, and ideal for soups and bisques, according to Live Aquaponics.
Regardless of their taste, the species is extremely invasive and any sighting should be reported to TPWD.
A single redclaw can can grow up to two pounds in under a year and produce offspring five times a year at 1,000 eggs per clutch, according to TPWD.
The crawfish eat decaying plant and animal matter, which, due to their large size, can alter habitats and clear out local vegetation. Because they breed so many at once, they can make life harder on small fish by consuming the local food.
To make matters worse, once redclaw populations become established, eradication is almost impossible.
"Spreading the word about this invasive species and reporting sightings to TPWD can help us better understand where it is distributed and potentially take steps to help prevent its spread," Grubh said.
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Invasive species often enter habitats by people dumping their aquariums. So don't do that.
"Well-meaning, uninformed aquarium owners sometimes release their pets thinking they're doing the best thing for them, but if they do survive, they can become invasive and harm the native aquatic species and ecosystem," said Monica McGarrity, a senior scientist for TPWD, in a release.
"Aquarium owners should research alternatives to aquarium dumping and help prevent introductions of the next invasive species," she said.
If you do spot the crustacean around town, concerned citizens can email photos and its location to aquaticinvasives@tpwd.texas.gov.
ryan.nickerson@houstonchronicle.com
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Tasty but extremely large and invasive crawfish discovered in Texas - Houston Chronicle
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