I live in a Hong Kong village house and here it's common to have Chinese geckos living in the house. They've been pretty unobtrusive so far and they do eat mosquitoes so I definitely wouldn't want to harm them.

Recently we've spotted cockroaches on a few occasions and were considering getting some poison traps like the ones linked here. Does anyone know if we're likely to poison the geckos as well if we install those? I guess the bait is unlikely to be directly attractive to geckos but will the poison spread through the food chain?

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    What do geckos eat? My only contact with the species is auto insurance. – Harper - Reinstate Monica Jan 31 '20 at 3:47
  • Love that . don’t they eat mealworms? Or was that chameleons? + for the funny. I guess it could get in the food chain but I would expect larger animals to be affected like birds that eat bugs. – Ed Beal Jan 31 '20 at 3:55
  • They eat pretty much all insects, including cockroaches. I guess if small birds aren't affected, neither would be geckos. – Aleksandrs Ulme Jan 31 '20 at 5:26
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    I'm voting to close this question as off-topic because it's about animal tolerance of poisons. – Daniel Griscom Jan 31 '20 at 17:13
  • @Harper-ReinstateMonica That one eats American consumers bank accounts. ( i have fed that little green bas!*rd for years ) – Alaska Man Jan 31 '20 at 18:49

When I was in Japan in the 1970's we were told that the geckos will eat the roaches. Fewer geckos means more roaches. I would assume any dead roaches would contain the poison. Any geckos eating roaches that had consumed the poison would be contaminated.

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