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 By V. KuttyThe following is a list of known species of the genus Crenicichla Heckel 1840. As ichthyologists look further into the nomenclature of this fascinating genus of cichlids, a lot of the fog and mystery will be lifted.  I am not aware of a key or monograph on the genus in the works at present.  There are 106 species on this list and this will be updated and will no doubt grow in number.   The newest addition is Crenicichla mandelburgeri, Kullander 2009. 
Also, the incredibly varied Crenicichla johanna, Heckel 1840 may be split up into a few closely related species.  Even when all species are described someday, expect name changes as a result of better understanding of species interrelationships. This list is not complete, nor do I guarantee the validity of all species listed.
 Crenicichlaacutirostris, Gunther 1862adspersa, Heckel 1840
 albopunctata, Pellegrin 1904 alta, Eigenmann 1912  anthurus, Cope 1872 brasiliensis, (Bloch 1792) (syn. C. menezesi ?) britskii, Kullander 1986   cametana, Steindachner 1911   cardiostigma, Ploeg 1991 (syn.
C. alta?) celidochilus, Casciotta 1987 cincta, Regan 1905 compressiceps, Ploeg
1986 coppenamensis, Ploeg 1987 cyanonotus, Cope 1871 cyclostoma, Ploeg 1986 
dorsocellata, Haseman 1911 (syn.
C. lacustris?) empheres, Lucena 2007 frenata, Gill
1858 gaucho, Lucena & Kullander 1992 geayi, Pellegrin 1903 hardostigma, Lucena 2007 haroldoi, Luengo & Britski
1974 heckeli, Ploeg 1989 hemera, Kullander 1990 (syn. C. guentheri Ploeg
1991) hummelincki, Ploeg 1991 igara, Lucena & Kullander 1992 iguapina, Kullander & Lucena 2006 iguassuensis, Haseman 1911 inpa, Ploeg 1991 isbrueckeri, Ploeg 1991 (syn. C. pellegrini Ploeg
1991) jaguarensis, Haseman 1911  jegui, Ploeg 1986   johanna, Heckel 1840  jupiaensis, Britski & Luengo
1968 jurubi, Lucena & Kullander 1992 labrina, (Spix & Agassiz
1829) lacustris, (de Castelnau 1855) lacustris,  (de Castelnau 1855) lenticulata, Heckel 1840  lepidota, Heckel
1840 male lucius, Cope
1871  male Rio Nanay lugubris, Heckel 1840 macrophthalma, Heckel 1840 maculata, Kullander & Lucena 2006 mandelburgeri, Kullander 2009   marmorata, Pellegrin 1903  menezesi,
(syn.C. brasiliensis ?)
female/fry minuano,Lucena & Kullander 1992 missioneira, Lucena and Kullander 1992 mucuryna, von Ihering 1914 multispinosa, Pellegrin 1903 nanus, Regan 1913 (syn.
C. wallaci?) nickeriensis, Ploeg 1987 niederleinii, (Holmberg 1891) notophthalmus, Regan 1913 pellegrini, Ploeg 1991 percna, Kullander 1991 phaiospilus, Kullander 1991 prenda, Lucena & Kullander 1992 proteus,
Cope 1872 male/fry (syn. C. nijsseni) punctata, (Regan 1905) pydanielae, Ploeg 1991 regani, Ploeg 1989 female     reticulata, (Heckel 1840)   rosemariae, Kullander 1997    rosemariae, Kullander 1997   santosi, Ploeg 1991  saxatilis, (Linnaeus
1758), male scotti,
(Eigenmann 1907)
male sedentaria, Kullander 1986 semicincta, Steindachner 1892 (syn. C. clancularia)  semifasciata, (Heckel
1840, female) sipaliwini, Ploeg 1987 sp. aff. acutirostris "Madeira" 
 sp. Erepecuru sp. aff. jegui sp. Giraffe sp. False anthurus Ecuador sp. "Alto Parana" sp. "Approuage" sp. "Arapiuns" sp. "Aripuana" sp. "Atabapo" sp. "Belem" sp. "Belly Crawler" sp. "British
Guyana I", female sp. "British Guyana II" sp. "Casiquiare" sp. "Citrus Pike Bolivia" cf. heckeli Rio Cumina sp. Iguassu I sp. Iguassu II sp. "Inirida I" sp. "Inirida II" sp. "Inirida III" sp. "Jurua Eirunepe" sp. "Madeira" sp. aff. missioneira "Rio
Forquilha" sp. aff. notophthalmus "Maici-Mirim Madeira" sp. "Orinoco Dwarf" sp. "Orinoco Puerto Ayacucho" sp. aff. reticulata "Guapore" sp. "Tapajos Red Lugubris" sp. "Tapajos Reticulata" sp. Tocantins Saxatilis I sp. Tocantins Saxatilis II sp. Tocantins Saxatilis III sp. "Trombetas" sp. "Uaupes/Negro Multispot"  sp. "Venezuela"  sp.
"Xingu I" sp. "Xingu II" 
sp. "Xingu III" sp. "Xingu Dwarf" sp. aff. britskii "Sao Francisco" sp. aff. geayi stocki,
Ploeg 1991, male strigata, Gunther 1862 sveni, Ploeg 1991 tendybaguassu, Lucena & Kullander 1992    ternetzi, Norman 1926   tesay, Casciotta & Almiron 2009 tigrina, Ploeg 1991 tingui, Kullander & Lucena 2006 urosema, Kullander 1990 vaillanti, Pellegrin 1904 (syn.
alta?) virgatula, Ploeg 1991  vittata, Heckel 1840 wallaci, Regan 1905 yaha, Casciotta, Almiron, Gomez 2006 zebrina, Montana, Lopez-Hernandez, Taphorn 2008  
  
 
 
 
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