Salamanders are one of the animals which make up the Kingdom Amphibia, particularly the order Caudata. There are around 400-500 species known worldwide and a number of them are mostly found in the temperate lands of tropical South, Central America and throughout the Northern hemisphere. In the past, salamanders have spread out in areas like British Columbia and central Labrador. If you want to know more about them, then below are a few of the fascinating facts about salamanders.
Salamanders vary in dimensions. Some might only reach the size of 3.9 cm while some may reach up to the magnitude of 180 cm. Among the smallest salamanders is the 4-toed salamander (Hemidactylium scutatum) that just reaches 5-9 cm. On the other hand, one of the largest is the mudpuppy (Necturus maculosus) that may reach a length of 43 cm. Salamander’s life span also varies. The Chinese giant salamander can live for around 52 years while other salamanders may only reach a year or two.
That’s the main reason they are generally mistaken as lizards. However, salamanders do not have the features that lizards have. By way of example, salamanders don’t have claws. Also, they’ve moist skin in comparison to lizards that have dry and scaly skin.
Normally, salamanders can not hear sounds; rather, they rely on the vibrations that they sense in the environment. These animals are also voiceless, even though some species have the capability to produce soft squeaks. Some of these species breathe through their set of nostrils, while others breathe through gills or skin, or sometimes in conjunction. They frequently have movable eyelids and nice teeth. Their heart consists of 2 atria and one ventricle, which makes it a 3-chambered organ.
Salamanders hibernate every year so as to survive. Since they cannot endure extremely cold temperatures, they will need to dig underground. Aquatic salamanders are generally active at any time of the year while terrestrial salamanders are only active during night time, or when the land is moist or damp. Temperate seasons or warm period may immediately cause them dehydration.
There are two ways on how the eggs of the salamanders can be fertilized. It can be through external or internal fertilization. Internally, the male will drop jellylike capsule of sperms and the female will eventually take up these sperms through the lips of the cloaca. The eggs are fertilized as they are pushed out.
Generally, salamanders are carnivorous. Bigger salamanders are fond of eating earthworms and larvae of insects. Smaller species like small insects and smaller invertebrates while salamander larvae eat tadpoles.
Salamanders are considered as great benefit in the area of agriculture and forest industry since they consume harmful insects which may destroy crops and plants. Without them, a break in the food chain can occur and problems related to plant industry may come up.
Salamanders today are continuously decreasing in quantity because a great deal of universities and research labs capture them and make them subjects in their research. That is why local laws are protecting these salamanders in order to maintain their numbers in the wild. Take your part in the campaign of saving salamanders. Read more information about salamanders so you will understand how to take care of them properly.