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The Cheat Mountain salamander (Plethodon nettingi) The hellbender (Cryptobranchus alleganiensis) An adult red-spotted, or eastern, newt (Notophthalmus viridescens) The northern dusky salamander (Desmognathus fuscus) with egg clutch The eastern American toad (Bufo americanus) The spring peeper (Pseudacris crucifer) The gray tree frog (Hyla versicolor) A female American bullfrog (Rana ...
Salamandridae is a family of salamanders consisting of true salamanders and newts. Salamandrids are distinguished from other salamanders by the lack of rib or costal grooves along the sides of their bodies and by their rough skin. Their skin is very granular because of the number of poison glands. They also lack nasolabial grooves.
Paramesotriton have a dark brown dorsum [2] with a prominent vertebral ridge, often also a pair of lateral ridges. The tail is high and laterally compressed. [4] Skin texture varies from relatively smooth to very rough. [2] Paramesotriton hongkongensis has toxic skin and ova, as has been shown for many other salamanders. [5]
The olm (German: ⓘ) or proteus (Proteus anguinus) is an aquatic salamander which is the only species in the genus Proteus of the family Proteidae [2] and the only exclusively cave-dwelling chordate species found in Europe; the family's other extant genus is Necturus.
A newt is a salamander in the subfamily Pleurodelinae. The terrestrial juvenile phase is called an eft. Unlike other members of the family Salamandridae, newts are semiaquatic, alternating between aquatic and terrestrial habitats. Not all aquatic salamanders are considered newts, however.
Both males and females grow to an adult length of 24 to 40 cm (9.4 to 15.7 in) from snout to vent, with a total length of 30 to 74 cm (12 to 29 in), making them the fourth-largest aquatic salamander species in the world (after the South China giant salamander, the Chinese giant salamander and the Japanese giant salamander, respectively) and the ...
Amphiuma possess relatively ancestral forms of lungs compared to some of the other groups of salamanders that live terrestrially today. [ 17 ] [ 18 ] Their lungs are long organs, extending over half of the body length, with dense capillary networks and large surface area that suggest the utilization of the entire lung for respiration while the ...
The northern two-lined salamander is a small salamander, with adults ranging from 65–120 mm in total length. [4] This salamander is yellow or yellowish-brown, with two black stripes running down the back which tends to break up after the base of the tail. The flanks are mottled grayish or brown. [5] The belly is pale yellowish, nearly ...