Table 1.

Ag-NORs, major and minor ribosomal genes sites distribution in Callichthyidae. The 45S and 5S columns report the number of chromosomes bearing the cistrons and its location.

Family Callichthyidae	Locality	2n	Ag-NOR	45S	5S	Note	References
Subfamily Corydoradinae
Corydoras carlae	Florido River/Paraná State, Brazil	46	simple	2, q terminal	2, q terminal	Synteny, Co-localization	Present study
Corydoras britskii	Miranda River/ Mato Grosso do Sul State, Brazil	90	multiple	3, p terminal	2 p, interstitial	Non-Synteny	Takagui et al. (2014)
Corydoras paleatus	Tibagi River/Paraná State, Brazil	44	simple	3, q terminal	-------	---------	Artoni et al. (2006)
Corydoras ehrhardti	Tibagi River/Paraná State, Brazil	44	simple	2, q terminal	-------	---------	Artoni et al. (2006)
Corydoras sodalis	from aquarium	74	simple	---------	---------	---------	Shimabukuro-Dias et al. 2004
Corydoras arcuatus	Tabatinga River/frontier Brazil and Peru	46	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras trilineatus	Caripi River/Pará State, Brazil	46	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras schwartzi	Negro River/Amazonas State, Brazil	46	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras cf. simulatus	Colombia	62	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras sp. Caripi River	Caripi River/Pará State, Brazil	60	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras reticulatus	Negro River/Amazonas State, Brazil	74	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras aff. punctatus Negro River	Negro River/Amazonas State, Brazil	102	simple	---------	---------	---------	Oliveira et al. 1992
Corydoras simulatus	Colombia	62	multiple	---------	---------	---------	Oliveira et al. 1992
Corydoras sp. Galheiro River	Galheiro River/Minas Gerais State, Brazil	84	multiple	---------	---------	---------	Oliveira et al. 1992
Corydoras flaveolus	Alambari River/São Paulo State, Brazil	58	multiple	---------	---------	---------	Oliveira et al. 1992
Corydoras metae	Colombia	92	multiple	---------	---------	---------	Oliveira et al. 1992
Subfamily Callichthyinae
Hoplosternum littorale	Contas River/Bahia State, Brazil	60	simple	2, p terminal	4, p terminal	Non-Synteny	Almeida et al. (2012)
Callichthys callichthys	Paraná River/Paraná State, Brazil	56	simple	2-3, p terminal e interstitial	7-9, p interstitial and terminal	Synteny, Adjacent regions	Konerat et al. (2014)
Hoplosternum littorale	Coastal River/São Paulo State Brazil	60	simple	2, p terminal	4 p terminal	Non-Synteny	Pazza et al. (2005)
Callichthys callichthys	Contas River/Bahia State, Brazil	54	multiple	7, p terminal, 5, q terminal, 1 p interstitial	8-12, p interstitial and terminal	Non-Synteny	Almeida et al. (2013)
Lepthoplosternum pectorale	Paraná River/Paraná State, Brazil	64	multiple	10, p terminal; 2, q terminal	6, p terminal	Non-Synteny	Konerat et al. (2014)