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Nasutixalus Jerdonii
''Nasutixalus'' is a genus of frogs in the family Rhacophoridae. The genus is found in northeastern India and adjacent southeastern Tibet as well as western Yunnan (China); the range might extend into the adjacent Nepal and Myanmar. Common name ridged-nose treefrogs has been coined for this genus. Etymology The name ''Nasutixalus'' is derived from the Latin ''nasutus'' meaning "large-nosed", and ''ixalus'', which is a generic stem for treefrogs. Taxonomy ''Nasutixalus'' was erected in 2016 to accommodate ''Nasutixalus medogensis''. The species was species description, described based on a single specimen. Molecular data suggested that this specimen represented a distinct lineage with the family Rhacophoridae, warranting recognition as a new genus. In a study published only two days later, Sathyabhama Das Biju and colleagues erected a new monotypic genus ''Frankixalus'' for ''Polypedates jerdonii''; the name of the genus honours from the Université libre de Bruxelles, Free Unive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Locality (biology)
In biology, a type is a particular wikt:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon. In older usage (pre-1900 in botany), a type was a taxon rather than a specimen. A taxon is a scientifically named grouping of organisms with other like organisms, a set (mathematics), set that includes some organisms and excludes others, based on a detailed published description (for example a species description) and on the provision of type material, which is usually available to scientists for examination in a major museum research collection, or similar institution. Type specimen According to a precise set of rules laid down in the International Code of Zoological Nomenclature (ICZN) and the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN), the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibian Genera
Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals). All extant taxon, extant (living) amphibians belong to the monophyletic subclass (biology), subclass Lissamphibia, with three living order (biology), orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians). Evolved to be mostly semiaquatic, amphibians have adapted to inhabit a wide variety of habitats, with most species living in freshwater ecosystem, freshwater, wetland or terrestrial ecosystems (such as riparian woodland, fossorial and even arboreal habitats). Their biological life cycle, life cycle typically starts out as aquatic animal, aquatic larvae with gills known as tadpoles, but some species have devel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nasutixalus
''Nasutixalus'' is a genus of frogs in the family Rhacophoridae. The genus is found in northeastern India and adjacent southeastern Tibet as well as western Yunnan (China); the range might extend into the adjacent Nepal and Myanmar. Common name ridged-nose treefrogs has been coined for this genus. Etymology The name ''Nasutixalus'' is derived from the Latin ''nasutus'' meaning "large-nosed", and ''ixalus'', which is a generic stem for treefrogs. Taxonomy ''Nasutixalus'' was erected in 2016 to accommodate ''Nasutixalus medogensis''. The species was described based on a single specimen. Molecular data suggested that this specimen represented a distinct lineage with the family Rhacophoridae, warranting recognition as a new genus. In a study published only two days later, Sathyabhama Das Biju and colleagues erected a new monotypic genus ''Frankixalus'' for ''Polypedates jerdonii''; the name of the genus honours from the Free University of Brussels. Because of the earlier publicat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oophagous
Oophagy ( ) or ovophagy, literally "egg eating", is the practice of embryos feeding on eggs produced by the ovary while still inside the mother's uterus. The word oophagy is formed from the classical Greek (, "egg") and classical Greek (, "to eat"). In contrast, adelphophagy is the cannibalism of a multi-celled embryo. Oophagy is thought to occur in all sharks in the order Lamniformes and has been recorded in the bigeye thresher (''Alopias superciliosus''), the pelagic thresher (''A. pelagicus''), the shortfin mako (''Isurus oxyrinchus'') and the porbeagle (''Lamna nasus'') among others. It also occurs in the tawny nurse shark (''Nebrius ferrugineus''), and in the family Pseudotriakidae. This practice may lead to larger embryos or prepare the embryo for a predatory lifestyle. There are variations in the extent of oophagy among the different shark species. The grey nurse shark (''Carcharias taurus'') practices intrauterine cannibalism, the first developed embryo consuming ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tadpole
A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, terrestrial. Tadpoles have some fish-like features that may not be found in adult amphibians, such as a lateral line, gills and swimming tails. As they undergo metamorphosis, they start to develop functional lungs for breathing air, and the diet of tadpoles changes drastically. A few amphibians, such as some members of the frog family Brevicipitidae, undergo direct development i.e., they do not undergo a free-living larval stage as tadpoles instead emerging from eggs as fully formed "froglet" miniatures of the adult morphology (biology), morphology. Some other species hatch into tadpoles underneath the skin of the female adult or are kept in a pouch until after metamorphosis. Having no hard skeletons, it might be expected that tadpole fos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Selection In Amphibians
Sexual selection in amphibians involves sexual selection processes in amphibians, including frogs, salamanders and newts. Prolonged breeders, the majority of frog species, have breeding seasons at regular intervals where male-male competition occurs with males arriving at the waters edge first in large number and producing a wide range of vocalizations, with variations in depth of calls the speed of calls and other complex behaviours to attract mates. The fitness (biology), fittest males will have the deepest croaks and the best territories, with females making their mate choices at least partly based on the males depth of croaking. This has led to sexual dimorphism, with females being larger than males in 90% of species, males in 10% and males fighting for groups of females. There is a direct competition between males to win the attention of the females in salamanders and newts, with elaborate courtship displays to keep the females attention long enough to get her interested in c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arboreal Locomotion
Arboreal locomotion is the animal locomotion, locomotion of animals in trees. In habitats in which trees are present, animals have evolution, evolved to move in them. Some animals may scale trees only occasionally (scansorial), but others are exclusively arboreal. The habitats pose numerous mechanical challenges to animals moving through them and lead to a variety of anatomical, behavioral and ecological consequences as well as variations throughout different species.Matt Cartmill, Cartmill, M. (1985). "Climbing". pp. 73–88 ''In'': Hildebrand, Milton; Bramble, Dennis M.; species:Karel Frederik Liem, Liem, Karel F.; David B. Wake, Wake, David B. (editors) (1985). ''Functional Vertebrate Morphology''. Cambridge, Massachusetts: Harvard University Press, Belknap Press. 544 pp. . Furthermore, many of these same principles may be applied to climbing without trees, such as on rock piles or mountains. Some animals are exclusively arboreal in habitat, such as tree snails. Biomechanic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nasutixalus Jerdonii (tadpoles)
''Nasutixalus jerdonii'' is a species of frog in the family Rhacophoridae. It is found in the northeastern India, in the West Bengal, Nagaland, Manipur, and Meghalaya states. It range might extend into the adjacent Nepal. The specific name ''jerdonii'' honours Thomas C. Jerdon, an English herpetologist. Common names Jerdon's bubble-nest frog, Jerdon's tree frog, and Jerdon's bush frog have been coined for this species. Taxonomy This species was first described as ''Polypedates jerdonii'' in 1876 by Albert Günther. Its subsequent placement has included various genera. In 2016, Sathyabhama Das Biju and colleagues erected a new monotypic genus for this species, ''Frankixalus''; the name of the genus honours from the Free University of Brussels. However, just two days earlier, Jiang and colleagues had erected the genus ''Nasutixalus'' to accommodate this species and another, new species. This gives priority to ''Nasutixalus''. Description Adult males measure and adult femal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crypsis
In ecology, crypsis is the ability of an animal or a plant to avoid observation or detection by other animals. It may be part of a predation strategy or an antipredator adaptation. Methods include camouflage, nocturnality, subterranean lifestyle and mimicry. Crypsis can involve visual, olfactory (with pheromones) or auditory concealment. When it is visual, the term cryptic coloration, effectively a synonym for animal camouflage, is sometimes used, but many different methods of camouflage are employed in nature. Overview There is a strong evolutionary pressure for prey animals to avoid predators through camouflage, and for predators to be able to detect camouflaged prey. There can be a self-perpetuating coevolution, in the shape of an evolutionary arms race, between the perceptive abilities of animals attempting to detect the cryptic animal and the cryptic characteristics of the hiding species. Methods Methods of crypsis include (visual) camouflage, nocturnality, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nasutixalus Yingjiangensis
''Nasutixalus yingjiangensis'', the Yingjiang ridge-nosed tree frog or Yingjiang tree-hole frog, is a species of frog in the family Rhacophoridae. It is endemic to Yunnan, in China, though scientists suspect it may also live in Myanmar. It has been observed 1610 meters above sea level. This arboreal frog lives in the forest canopy Canopy may refer to: Plants * Canopy (biology), aboveground portion of plant community or crop (including forests) * Canopy (grape), aboveground portion of grapes Religion and ceremonies * Baldachin or canopy of state, typically placed over an a .... Scientists classify this frog as endangered because of its small range: 129 square kilometers in an area that humans continue to degrade, usually for logging. However, scientists believe it may live in other locations where it has not yet been formally recorded. Original description * References yingjiangensis Frogs of China Endemic fauna of Yunnan Amphibians described in 2018 {{Rhacoph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
