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The axolotl ( / ˈæksəlɒtəl / ⓘ; from Classical Nahuatl: āxōlōtl [aːˈʃoːloːtɬ] ⓘ) ( Ambystoma mexicanum) [ 3] is a paedomorphic salamander closely related to the tiger salamander. [ 3][ 4][ 5] It is unusual among amphibians in that it reaches adulthood without undergoing metamorphosis. Instead of taking to the land, adults ...
Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [ 2] Ascidians are characterized by a tough outer "tunic" made of a polysaccharide . Ascidians are found all over the world, usually in shallow water with salinities over 2.5%.
X. laevis. Binomial name. Xenopus laevis. Daudin 1802. Synonyms. X. boiei Wagler 1827. The African clawed frog ( Xenopus laevis ), also known as simply xenopus, African clawed toad, African claw-toed frog or the platanna) is a species of African aquatic frog of the family Pipidae. Its name is derived from the short black claws on its feet.
He collected caddisfly larvae from the wild and put them in climate-controlled tanks. He removes the larvae from their original cases and adds precious and semi-precious items such as grains of gold into the tank. The larvae then build new cases out of precious items, creating a unique form of artwork. The resulting works are sold across the world.
The larvae emerge at varying stages of their growth, either before or after metamorphosis, according to their species. [103] The toad genus Nectophrynoides exhibits all of these developmental patterns among its dozen or so members. [12] Amphibian larvae are known as tadpoles. They have thick, rounded bodies with powerful muscular tails. [78]
Newt. 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.
It belongs to a lineage believed to have given rise to the three living branches of amphibians - frogs, salamanders and limbless caecilians. Creature named for Kermit the Frog offers clues on ...
Common frog ( Rana temporaria) tadpole. A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish -like features that may not be found in adult amphibians such as a lateral line, gills and swimming tails.