Physical Mapping of the 5S and 18S rDNA in Ten Species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): Evolutionary Tendencies in the Genus

Table 2

Available data regarding 5S/18S rDNA distribution in Hypostomus.

Species	2	Karyotypic formula	5S	18S	Locality	Reference
H. cochliodon	64	12 + 16 + 16 + 20	Multiple	Simple	Paraná River basin	Present paper
H. faveolus	64	18 + 8 + 22 + 16	Multiple	Simple	Araguaia River basin	Present paper
H. affinis	66	14 + 14 + 12 + 26	Multiple	Multiple	Paraíba do Sul River basin	[20, 21]
H. tapijara	66	14 + 24 + 14 + 14	Multiple	Multiple	Ribeira do Iguape basin	[22]
H. prope plecostomus	68	12 + 16 + 12 + 28	—	Simple	Orinoco River basin	[23]
H. ancistroides	68	10 + 26 + 32	—	Multiple	Paranapanema River basin	[24]
H. ancistroides	68	14 + 14 + 8 + 32	Simple	Multiple	Paraná River basin	Present paper
H. ancistroides	68	14 + 16 + 22 + 16	Multiple	Multiple	Paranapanema River basin	[22]
H. commersoni	68	12 + 14 + 14 + 28	Multiple	Multiple	Paraná River basin (Iguaçu River)	Present paper
H. commersoni	68	12 + 14 + 14 + 28	Multiple	Multiple	Paraná River basin (Piquiri River)	Present paper
H. hermanni	72	10 + 8 + 32 + 22	Multiple	Multiple	Paraná River basin	Present paper
H. regani	72	8 + 16 + 20 + 28	Multiple	Simple	São Francisco River basin	[25]
H. regani	72	10 + 18 + 44 −	—	Multiple	Paranapanema River basin	[24]
H. regani	72	12 + 8 + 10 + 42	Simple	Multiple	Paraná River basin	Present paper
H. strigaticeps	72	10 + 16 + 46 −	—	Multiple	Paranapanema River basin	[24]
H. strigaticeps	72	12 + 12 + 18 + 30	Multiple	Multiple	Paraná River basin	Present paper
H. albopunctatus	74	8 + 14 + 16 + 36	Simple	Simple	Paraná River basin	Present paper
H. paulinus	74	10 + 12 + 20 + 32	Simple	Simple	Paraná River basin	Present paper
H. paulinus	76	6 + 16 + 54 −	—	Simple	Paranapanema River basin	[24]
H. nigromaculatus	76	12 + 22 + 30 + 12	Simple	Simple	Paranapanema River basin	[22]
H. iheringii	80	8 + 16 + 28 + 28	Simple	Multiple	Paranapanema River basin	[26]
H. topavae	80	14 + 10 + 26 + 30	Simple	Simple	Paraná River basin	Present paper