Table 1 Karyotype variation described for species of Symphysodon

From: Intriguing evidence of translocations in Discus fish (Symphysodon, Cichlidae) and a report of the largest meiotic chromosomal chain observed in vertebrates

Species

Karyotypic formula

Sample origin

Reference

S. aequifasciatus

48m-sm+8st-a+4mi

Tefé, Amazonas, Brazil

Mesquita et al. (2008)

S. aequifasciatus

50m-sm+6st-a+4mi

Tefé, Amazonas, Brazil

Mesquita et al. (2008)

S. aequifasciatus

44m-sm+16st-a

—

Ohno and Atkin (1966)

S. aequifasciatus

58m-sm+2st-a

Commercial Source

Thompson (1979)

S. aequifasciatus a

52m-sm+8st-a

Commercial Source

Takai et al. (2002)

S. discus

54m-sm+6st-a

Barcelos, Amazonas, Brazil

Mesquita et al. (2008)

S. discus

50m-sm+10st-a

Barcelos, Amazonas, Brazil

Mesquita et al. (2008)

S. haraldi

52m-sm+4st-a+4mi

Manacapuru, Amazonas, Brazil

Mesquita et al. (2008)

  1. Abbreviations: a, acrocentric; m, metacentric; mi, microchromosome; sm, submetacentric; st, subtelocentric.
  2. aSpecies described originally as Symphysodon aequifasciata axelrodi.
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