Costal Grooves Salamander
Costal Grooves Salamander. Dorsum black with conspicuous white spots or brassy flecking; The larvae are sometimes mistaken for mudpuppies, but mudpuppies only have four toes on their hind feet.

The marbled salamander is three to five inches long. The costal grooves branched causing the surface area covered to be much greater than that groove. In pennsylvania, two populations have been identified, with the smaller one in the western part of the state from westmoreland and indiana counties to crawford county.
This Species Diverge Into Two Groups When Breeding.
The number of trunk vertebrae varied between 14 and 21, and the count of costal grooves ranged from 10 to 15. Toes are short and slightly webbed. These grooves increase the skin’s surface area and create channels for water to flow and collect on their body.
It Has 14 To 15 Costal Grooves.
This is important to stop their skin from drying out. The costal grooves branched causing the surface area covered to be much greater than that groove. The salamander has a small head and mouth, black or dark brown body sometimes with flecks of grey.
Braggi, The Western Grotto Salamander Is The Only Cave Salamander Which Undergoes Metamorphosis.
The marbled salamander has 11 or 12 costal grooves. Very attenuated plethodon with short limbs. Coeur d’alene salamander 2002 dicamptodontidae dicamptodon aterrimus idaho giant salamander plethodontidae plethodon idahoensis salamander characteristics •color patten r •size and body shape • head size and shape • balancers •eye size and shape • toe shape and length • nasolabial groove • costal grooves •skin teuter • glands
The Larvae Are Sometimes Mistaken For Mudpuppies, But Mudpuppies Only Have Four Toes On Their Hind Feet.
Also asked, what are costal grooves on a salamander? The spots are larger on the sides, but smaller and scattered over the back and tail. Ted davis is there a constriction at the base of the tail?
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Is the underside bright orange? Ship of the costal grooves and vertebrae. Is the salamander translucent pinkish brown or tan with yellow tinge at base of legs (hatchlings less than 3 cm long may be mottled dark)?
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