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Thayeria is a genus of tetras from the Amazon Basin, and the Approuague and Maroni Rivers in tropical South America. It includes three species, including the blackline penguinfish, T. boehlkei. Members of this genus, among other characteristics, are small, have one lateral black stripe, and have a vesica piscis shape. They are peaceful.

Thayeria
Thayeria boehlkei
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Family:	Characidae
Subfamily:	incertae sedis
Genus:	Thayeria C. H. Eigenmann, 1908
Species
See text

Species

• Thayeria boehlkei S. H. Weitzman, 1957 (blackline penguinfish)
• Thayeria ifati Géry, 1959
• Thayeria obliqua C. H. Eigenmann, 1908 (penguinfish)

Location and habitat

Thayeria inhabits small streams and the margins of smaller rivers in the lowland Amazon basin, where it is part of the highly diverse Neotropical fish fauna.

References

• Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Thayeria in FishBase. October 2011 version.

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