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  2. Amphibian - Wikipedia

    en.wikipedia.org/wiki/Amphibian

    Amphibian Ark is an organization that was formed to implement the ex-situ conservation recommendations of this plan, and they have been working with zoos and aquaria around the world, encouraging them to create assurance colonies of threatened amphibians. [177] One such project is the Panama Amphibian Rescue and Conservation Project that built ...

  3. List of animal classes - Wikipedia

    en.wikipedia.org/wiki/List_of_animal_classes

    Chondrichthyes (cartilaginous fish: chimeras, sharks and rays) Osteichthyes. Actinopterygii (ray-finned fish, which includes most familiar bony fish) Sarcopterygii. Actinistia (coelacanths) Dipnoi (lungfish) Tetrapoda. Amphibia (amphibians) Amniota. Mammalia (mammals) Aves (birds) Reptilia (reptiles, paraphyletic with respect to Aves)

  4. List of aquatic humanoids - Wikipedia

    en.wikipedia.org/wiki/List_of_aquatic_humanoids

    The bishop-fish, a piscine humanoid reported in Poland in the 16th century. Aquatic humanoids appear in legend and fiction. [1] "Water-dwelling people with fully human, fish-tailed or other compound physiques feature in the mythologies and folklore of maritime, lacustrine and riverine societies across the planet." [2]: 6

  5. Semiaquatic - Wikipedia

    en.wikipedia.org/wiki/Semiaquatic

    Amphibious fish; also several types of normally fully aquatic fish such as the grunion and plainfin midshipman that spawn in the intertidal zone; Some amphibians such as newts and salamanders, and some frogs such as fire-bellied toads and wood frogs. Some reptiles such as crocodilians, turtles, water snakes and marine iguanas.

  6. Portal:Amphibians - Wikipedia

    en.wikipedia.org/wiki/Portal:Amphibians

    Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane , such as modern reptiles , birds and mammals ).

  7. Amphibious fish - Wikipedia

    en.wikipedia.org/wiki/Amphibious_fish

    Amphibious fish are fish that are able to leave water for extended periods of time. About 11 distantly related genera of fish are considered amphibious. This suggests that many fish genera independently evolved amphibious traits, a process known as convergent evolution .

  8. Hatchling - Wikipedia

    en.wikipedia.org/wiki/Hatchling

    The behavior of an amphibian hatchling, commonly referred to as a tadpole, is controlled by a few thousand neurons. [4] 99% of a Xenopus hatchling's first day after hatching is spent hanging from a thread of mucus secreted from near its mouth will eventually form; if it becomes detached from this thread, it will swim back and become reattached, usually within ten seconds. [4]

  9. Portal:Amphibians/Introduction - Wikipedia

    en.wikipedia.org/wiki/Portal:Amphibians/Introduction

    Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane , such as modern reptiles , birds and mammals ).