@Misc{Wiki,
 howpublished = {\url{http://en.wikipedia.org/wiki/Gymnogeophagus}}
} 

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
 pages = {Table 4.2 (page 150), 8.1 (page 300)},
 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Article{HartBrus1998,
 author = {Sandra Maria Hartz and Willi Bruschi-Junior and M\'{a}rcio Vanini Formehl},
 year = {1998},
 title = {Idade e crescimento de \emph{Gymnogeophagus lacustris} {R}eis \& {M}alabarba, um {C}ichlidae end\'{e}mico de bacia hidrogr\'{a}fica do {R}io {T}ramanda\'{i},
 {R}io {G}rande do {S}ul, {B}razil},
 journal = {Revta bras.Zool.},
 volume = {15(3)},
 pages = {605-612}
} 

@Article{VerbLamp2011,
 author = {J\'{u}lia T. Verba and Vinicius R. Lampert and Marco A. Azevedo},
 year = {2011},
 title = {Reproductive traits of \emph{Gymnogeophagus labiatus} ({T}eleostei, {C}ichlidae), in an upper stretch of {S}inos river, {C}ara\'{a},
 {B}razil},
 journal = {Iheringia, S\'{e}rie Zoologia, Porto Alegre},
 volume = {101(3)},
 pages = {200-206}
} 

@Article{HartPere1999,
 author = {Hartz, S. M. and Peret, A. C. and Barbieri, G.},
 year = {1999},
 title = {Reproduction of \emph{Gymnogeophagus lacustris} ({R}eis \& {M}alabarba, 1988), an endemic {N}eotropical cichlid of {S}outhern {B}razil},
 journal = {Ichthyological Exploration of Freshwaters},
 volume = {10},
 pages = {247-253}
} 

@Misc{fishbase,
 howpublished = {\url{https://www.fishbase.se/summary/Gymnogeophagus-lacustris.html}}
}