@incollection{fdi:010072891, title = {{C}ancer prevalence and etiology in wild and captive animals}, author = {{M}adsen, {T}. and {A}rnal, {A}. and {V}ittecoq, {M}. and {B}ernex, {F}. and {A}badie, {J}. and {L}abrut, {S}. and {G}arcia, {D}{\'e}borah and {F}aug{\`e}re, {D}. and {L}emberger, {K}. and {B}eckmann, {C}. and {R}oche, {B}enjamin and {T}homas, {F}. and {U}jvari, {B}.}, editor = {}, language = {{ENG}}, abstract = {{N}eoplasia has been recorded in the vast majority of metazoans. {T}he frequent occurrence of cancer in multicellular organisms suggests that neoplasia, similar to pathogens/parasites, may have a significant negative impact on host fitness in the wild. {T}his is supported by the fact that wildlife cancers have recently been shown to result in significantly increased levels of mortality and concomitant reduction in fitness. {B}y thorough searches of the available literature we provide a comprehensive and an updated list of cancer prevalence and etiology in the wild. {W}e were, however, unable to find data on nontransmissible cancer prevalence in invertebrates and consequently this chapter focuses on cancer in wild vertebrates. {A}lthough single cases of cancer are frequently encountered in the wildlife, we were only able to retrieve robust data on cancer prevalence for 31 vertebrate species (12 fish, 3 amphibians, 2 reptiles, 2 birds, and 12 mammals). {C}ancer prevalence among these vertebrates ranged from as low as 0.2% observed in {C}anada geese ({B}ranta canadensis) to more than 50% recorded in both {S}anta {C}atalina {I}sland foxes ({U}rocyon littoralis catalinae) and {C}ape mountain zebras ({E}quus zebra zebra). {T}he high prevalence recorded in some vertebrates strongly suggests that cancer in wildlife may indeed carry significant fitness costs. {I}n spite of this, the low number of published comprehensive studies clearly shows that so far cancer in wildlife has received insufficient attention by biologists. {W}e hope that this chapter will act as a catalyst for further studies focusing on the impact of cancer in wild animals. {T}he chapter additionally compares cancer recorded in {F}rench zoological parks to those obtained at other zoological parks. {F}inally, we provide an updated list of cancer recorded as single cases in the wild, as well as in captive animals.}, keywords = {}, booktitle = {{E}cology and evolution of cancer}, numero = {}, pages = {11--46}, address = {{L}ondres}, publisher = {{E}lsevier {A}cademic {P}ress}, series = {}, year = {2017}, DOI = {10.1016/{B}978-0-12-804310-3.00002-8}, ISBN = {978-0-12-804310-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010072891}, }