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Download as PDF; Printable version; ... is a species of aquatic salamander in the family Proteidae. ... Adults are 6 to 8.5 inches (15 to 22 cm) in length. ...
The northern two-lined salamander (Eurycea bislineata) is a species of salamander in the family Plethodontidae found in Canada and the United States. [3] Its natural habitats are temperate forests , temperate shrubland , rivers , intermittent rivers, freshwater marshes , freshwater springs , arable land , and urban areas .
[15] [16] The common mudpuppy never leaves its aquatic environment and therefore does not undergo morphogenesis; however, many salamanders do and develop differentiated teeth. [17] Aquatic salamander teeth are used to hinder escape of the prey from the salamander; they do not have a crushing function. [17] This aids the salamander when feeding.
Once fully metamorphosed, they leave the water and live a terrestrial life, when they are known as "efts." [12] [13] Only when the eft reaches adulthood will the North American species return to live in water, rarely venturing back onto the land. Conversely, most European species live their adult lives on land and only visit water to breed. [14]
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 is a genus of aquatic salamanders from the United States, [2] the only extant genus within the family Amphiumidae / æ m f ɪ ˈ juː m ɪ d iː /. [3] They are colloquially known as amphiumas. [2]
Dwarf waterdogs live in slow, sand- or mud-bottomed streams and connected ditches, cypress swamps; also stream-fed rice fields and mill ponds. They prefer bottoms with leaf litter and other detritus. During winter juveniles burrow into bottom and adults in leaf beds. [1]
Sirenidae, the sirens, are a family of neotenic aquatic salamanders. Family members have very small fore limbs and lack hind limbs altogether. [1] In one species, the skeleton in their fore limbs is made of only cartilage. In contrast to most other salamanders, they have external gills bunched together on the neck in both larval and adult