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

@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}}
} 

@techreport{Baba2011,
 author = {S. L. Babatunde},
 year = {2011},
 title  = {MORPHOMETRIC AND MERISTICS CHARACTERISTICS OF \emph{Erpetoichthys calabaricus} FROM WETLAND OF {O}GUN WATER-SIDE LOCAL GOVERNMENT AREA.},
 institution = {Universtity of Agriculture, Abeokuta, Ogun State, Nigeria}
} 

@Misc{fishkeeping,
 howpublished = {\url{http://www.practicalfishkeeping.co.uk/content.php?sid=3121}}
} 

@Misc{fishbase,
 howpublished = {\url{http://fishbase.mnhn.fr/summary/SpeciesSummary.php?ID=4830}}
}