#necturus

Common Mudpuppy (Necturus maculosus), family Proteidae, Manitoba, Canada

T - adult; B - larva

This is a species of paedomorphic/neotenic salamander, keeping larval aquatic traits (such as gills).

Common Mudpuppy (Necturus maculosus), family Proteidae, St. Clair River, MI, USA

This is a species of paedomorphic/neotenic salamander, keeping the their larval aquatic traits (gills).

This individual was caught during a fisheries survey, and then released.

Common Mudpuppy (Necturus maculosus), family Proteidae, found in the Mid-South and northern Mid-west of the U.S. and in extreme southern parts of Canada.

This is fully aquatic salamander that retains its gills into adulthood.

Common Mudpuppy (Necturus maculosus), family Proteidae, Vermont USA

This is a species of paedomorphic/neotenic salamander, keeping the their larval aquatic traits (gills).

Neuse River Waterdog (Necturus lewisi), family Proteidae, found in eastern North Carolina, USA 

Neotenic (retaining aquatic larval traits into adulthood) salamander.

Alabama Waterdog aka Black Warrior Waterdog (Necturus alabamensis), family Proteidae, found only in streams in the Black Warrior River basin of Alabama, USA.

ENDANGERED.

Neotenic aquatic salamander.

Neuse River Waterdog (Necturus lewisi), family Proteidae, found in eastern North Carolina, USA 

Neotenic (retaining aquatic larval traits into adulthood) salamander.

Apalachicola Waterdog (Necturus moleri), family Proteidae, northern Florida, USA

Split off from the Gulf Coast Waterdog (N. beyeri), and described as a distinct species in 2020.

Neotenic (retaining aquatic larval traits into adulthood) salamander.