La serp d'Esculapi, Zamenis longissimus, és una espècie de rèptil escatós de la família Colubridae. Es tracta d'un ofidi amb una ampla distribució euroasiàtica occidental, que per l'est arriba fins a les riberes oriental i meridional de la Mar Negra i fins i tot presenta poblacions aïllades a les muntanyes del Caucas i als Zagros. Evita les zones més fredes d'Europa Central, encara que manté poblacions aïllades al sud i oest d'Alemanya, oest de Txèquia i sud de Polònia. També ha estat introduïda a l'illa de Sardenya.
En la Península Ibèrica es distribueix, de manera més o menys continuada, des del límit oriental de Cantàbria fins al litoral septentrional mediterrani de Catalunya, tot i que en algunes regions del nord de Aragó i nord-oest de Catalunya pareix que té un distribució més fragmentada. També hi ha dues poblacions aïllades, possibles relictes d'una anterior expansió, una als Pics d'Europa i una altra als Monts de Lleó.
![](https://3.bp.blogspot.com/-v0PQzqKpIcY/XN6OZeIdRxI/AAAAAAAAIOQ/JyWPWwgN_786PDkc-S9UwLEST5O1DVv_gCLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25286%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://1.bp.blogspot.com/-oSBWx03RV-U/XN6OZV_lwNI/AAAAAAAAIOM/A15iIWM2vsY01SjuEr_2C8-0DaTrI9YkACLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25285%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://1.bp.blogspot.com/-stzkguW69Wk/XN6OZLkWnLI/AAAAAAAAIOI/WHGTdSXIHaYNq2kqOXMc6HRo9wHeRVOcQCLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25284%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://2.bp.blogspot.com/-EtAqZJzTFdU/XN6OXtPydfI/AAAAAAAAIOE/RrEg9KfvDmEtqAU1pPi3ke74YVF2LQ6gQCLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25282%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://2.bp.blogspot.com/-P0f2nzkSF_s/XN6OXQwkn4I/AAAAAAAAIOA/coZGdq3QQPY_CvHydGpmBM_iunZbL_VKgCLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25283%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://1.bp.blogspot.com/-EBrOYS03-Hk/XN6OXdjMEeI/AAAAAAAAIN8/ogN4n_Enx3QJVkRwayw8GpBILqGeLhOPwCLcBGAs/s640/Zamenis%2Blongissimus%2BSerbia%2B%25D0%25A1%25D1%2580%25D0%25B1%25D0%25B8%25D1%2598%25D0%25B0%2BSrbija%2BAesculapian%2Bsnake%2BSerp%2Bd%2527Esculapi%2B%25C3%2584skulapnatter%2Bculebra%2Bcouleuvre%2Bd%2527Esculape%2Bc%25C3%25B2lubro%2Bdi%2BEsculapio%2Bsaettone%2B%25281%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a una fageda (Борски округ/Borski okrug, Србија/Srbija). |
![](https://4.bp.blogspot.com/-iMWi7-PMTkQ/Wjv6izVPX_I/AAAAAAAAGCE/WDe4vwoC9M4yoIZDc8W3lQEBgwbaZuwRACLcBGAs/s640/Zamenis%2Blongissimus%2BPa%25C3%25ADs%2BVasco%2BEuskadi%2BEuzkadi%2BEuskal%2BHerria%2BColubridae%2BAesculapian%2Bsnake%2B%25281%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a un prat de muntanya (Debagoiena, Euskadi). |
![](https://1.bp.blogspot.com/-3Ig5GPc1JWA/Wjv6h6MZnBI/AAAAAAAAGCA/DgZF__yxqo0RTnrXTKCBSy9e23nbEZKDgCLcBGAs/s640/Zamenis%2Blongissimus%2BPa%25C3%25ADs%2BVasco%2BEuskadi%2BEuzkadi%2BEuskal%2BHerria%2BColubridae%2BAesculapian%2Bsnake%2B%25282%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a un prat de muntanya (Debagoiena, Euskadi). |
![](https://2.bp.blogspot.com/-refzlwVQqA4/Wjv6l6qhkTI/AAAAAAAAGCI/utHv9ryAlWY7mZuIiQE7wgTIHGFzzLfdwCLcBGAs/s640/Zamenis%2Blongissimus%2BPa%25C3%25ADs%2BVasco%2BEuskadi%2BEuzkadi%2BEuskal%2BHerria%2BColubridae%2BAesculapian%2Bsnake%2B%25283%2529.JPG) |
Adult de serp d'Esculapi, Zamenis longissimus, a un prat de muntanya (Debagoiena, Euskadi). |
![](https://2.bp.blogspot.com/-FW9e-OSHnBY/V-EhsKdaXSI/AAAAAAAAEz0/9-kUqIKIGhIZqZuprJZcBcBqwK9rI7wQgCLcB/s640/Zamenis%2Blongissimus%2BElaphe%2Blongissima%2BSerp%2Bd%2527Esculapi%2Bserpiente%2Bde%2BEsculapio%2Bmuda%2BAesculapian%2Bsnake%2BColubridae%2BCatalunya%2BCatalonia%2BCatalu%25C3%25B1a%2BMontseny.JPG) |
Muda de juvenil de serp d'Esculapi, Zamenis longissimus, a una fageda (Montseny, Catalunya). |