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Reticulated Siren vs. Greater Siren

Graham et al. (2018) compared the new Reticulated Siren above all with the Greater Siren, the other huge siren of the region. A: Covered from the gills to the tail with a net of large, dark, irregular spots in the Reticulated Siren; grey to olive, at most small, scattered dots or flecks in the Greater Siren. B: Small and narrow for its size in the Reticulated Siren; big and broad in the Greater Siren. Count the grooves along the side: 38 to 42 on the Reticulated, 30 to 41 on the Greater.

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Reticulated Siren

Siren reticulata

Greater Siren

Siren lacertina
Reticulated Siren vs. Greater Siren: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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