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Apalachicola Waterdog vs. Greater Siren

Greater Sirens live in the Apalachicola drainage and in Henry County, Alabama. A: Four legs, front and back in the Apalachicola Waterdog; only two small front legs; no hind legs in the Greater Siren. B: Small: under 7 in in the Apalachicola Waterdog; huge: 20 to 30 in, some over 3 ft in the Greater Siren. Both keep bushy gills for life.

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Apalachicola Waterdog

Necturus moleri

Greater Siren

Siren lacertina
Apalachicola Waterdog 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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