One-toed Amphiuma vs. Western Lesser Siren

Western Lesser Sirens share the leafy swamps and ditches of the Mississippi coast. A: None outside, only a tiny gill slit in the One-toed Amphiuma; bushy outside gills behind the head in the Western Lesser Siren. B: Four tiny legs (front and hind) in the One-toed Amphiuma; only two small front legs, no hind legs in the Western Lesser Siren. Both are long and eel-like; the siren's front feet have four toes.

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

More comparisons

• One-toed Amphiuma vs. Two-toed Amphiuma
• One-toed Amphiuma vs. Three-toed Amphiuma
• One-toed Amphiuma vs. Lesser Siren
• One-toed Amphiuma vs. Greater Siren
• One-toed Amphiuma vs. Gulf Coast Waterdog
• Escambia Waterdog vs. One-toed Amphiuma
• Seepage Siren vs. One-toed Amphiuma
• Reticulated Siren vs. One-toed Amphiuma
• Apalachicola Waterdog vs. One-toed Amphiuma
• Common Mudpuppy vs. Western Lesser Siren
• Red River Mudpuppy vs. Western Lesser Siren
• Three-toed Amphiuma vs. Western Lesser Siren
• Two-toed Amphiuma vs. Western Lesser Siren

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