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

@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{Ayoa2007,
 author = {Ayoade, Adedolapo A.},
 year = {2007},
 title = {Age and growth of the {A}frican butter catfish, \emph{Schilbe mystus} ({L}innaeus, 1758) in {A}sejire and {O}yan {L}akes, south-west {N}igeria},
 journal = {Journal of Fisheries and Aquatic Science},
 volume = {2(2)},
 pages = {110-119}
} 

@Article{Ayoa2009,
 author = {Ayoade, Adedolapo A.},
 year = {2009},
 title = {ASPECTS OF THE REPRODUCTIVE BIOLOGY OF THE {A}FRICAN BUTTER CATFISH \emph{Schilbe mystus} ({T}ELEOSTEI: {S}CHILBEIDAE) IN AN ARTIFICIAL LAKE IN SOUTH WESTERN {N}IGERIA},
 journal = {The Zoologist},
 volume = {7},
 pages = {130-140}
} 

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