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The Sierra Nevada yellow-legged frog or Sierra Nevada Mountain yellow-legged frog (Rana sierrae) is a true frog endemic to the Sierra Nevada of California and Nevada in the United States. It was formerly considered Rana muscosa until a 2007 study elevated the more central and northern populations to full species status, restricting R. muscosa ...
Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from taxonomy or evolutionary history. An adult frog has a stout body, protruding eyes , anteriorly-attached tongue , limbs folded underneath, and no tail (the tail of tailed frogs is an extension of the male cloaca).
Swim Bladder Disease: Common in fish like goldfish and bettas, swim bladder issues can make it difficult for them to swim properly. Treatment costs are generally minimal, around $50 to $100 for ...
A chytrid-killed frog Chytridiomycosis in Atelopus varius—two sporangia containing numerous zoospores are visible.. Chytridiomycosis (/ k aɪ ˌ t r ɪ d i ə m aɪ ˈ k oʊ s ɪ s / ky-TRID-ee-ə-my-KOH-sis) is an infectious disease in amphibians, caused by the chytrid fungi Batrachochytrium dendrobatidis and Batrachochytrium salamandrivorans.
The kidneys of snakes are elongated, cylindrical [53] [50] and lobulated. [52] Turtles and some lizards have urinary bladder [50] that opens into the cloaca [54] but snakes and crocodiles do not have it. [50] Compared with the metanephros of birds and mammals, the metanephros of reptiles is simpler in structure. [21]
Amniotes have the ability to procreate without water bodies. Because the amnion and the fluid it secretes shields the embryo from environmental fluctuations, amniotes can reproduce on dry land by either laying shelled eggs (reptiles, birds and monotremes ) or nurturing fertilized eggs within the mother ( marsupial and placental mammals ).
When slightly squeezed the frogs releases it stored water from its skin pockets and bladder. This water is safe to be consumed and Indigenous Australians would dig the frogs from their burrows and then drink the fresh water they released. [13] [5] The frog is then released with no direct harm caused to the amphibian. [8]
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.