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Noodlefish
Salangidae, the icefishes or noodlefishes, are a family of small osmeriform fish, related to the smelts. They are found in Eastern Asia, ranging from the Russian Far East in the north to Vietnam in the south, with the highest species richness in China. Some species are widespread and common, but others have relatively small ranges and are threatened. Depending on species, they inhabit coastal marine, brackish or fresh water habitats, and some are anadromous, only visiting fresh water to spawn. Appearance and life cycle They are slender, have translucent or transparent bodies and almost no scales (females are entirely scale-less, while males have a few). The head is strongly depressed and has numerous teeth. The adults are believed to be neotenic, retaining some larval features. For example, the skeleton is not fully ossified, consisting largely of cartilage. They are small fish, typically around long; only a few reach , and the largest species no more than . Icefish rapidly rea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salanx
''Salanx'' is a genus of Salangidae, icefishes native to Eastern Asia, ranging from Korea and Japan, through China to Vietnam. They are small fish, up to in standard length. Species There are currently five recognized species in this genus: * ''Salanx ariakensis'' Kamakichi Kishinouye, Kishinouye, 1902 * ''Salanx chinensis'' (Pehr Osbeck, Osbeck, 1765) (Chinese noodlefish) * ''Salanx cuvieri'' Achille Valenciennes, Valenciennes, 1850 (Noodlefish) * ''Salanx prognathus'' (Charles Tate Regan, Regan, 1908) * ''Salanx reevesii'' (John Edward Gray, J. E. Gray, 1831) References Salangidae Fish of Asia Taxa named by Georges Cuvier {{Osmeriformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemisalanx
''Hemisalanx brachyrostralis'' is a species of icefish endemic to the Yangtze basin, China. It is the only known species in the genus ''Hemisalanx'', after ''Hemisalanx prognathus'' was moved to genus '' Salanx''. In a study of the five freshwater icefish species in the Yangtze, it was a relatively low-density species, being much less frequent than '' Neosalanx taihuensis'' and ''N. oligodontis'', but more than ''Protosalanx hyalocranius'' and '' N. tangkahkeii''. ''H. brachyrostralis'' reaches up to in total length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish .... References Salangidae Monotypic ray-finned fish genera Freshwater fish of China Endemic fauna of China Fish described in 1934 Taxa named by Charles Tate Regan {{Osmeriformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neoteny
Neoteny (), also called juvenilization,Montagu, A. (1989). Growing Young. Bergin & Garvey: CT. is the delaying or slowing of the physiological, or somatic, development of an organism, typically an animal. Neoteny is found in modern humans compared to other primates. In progenesis or paedogenesis, sexual development is accelerated. Both neoteny and progenesis result in paedomorphism (as having the form typical of children) or paedomorphosis (changing towards forms typical of children), a type of heterochrony. It is the retention in adults of traits previously seen only in the young. Such retention is important in evolutionary biology, domestication and evolutionary developmental biology. Some authors define paedomorphism as the retention of larval traits, as seen in salamanders.Schell, S. C. ''Handbook of Trematodes of North America North of Mexico'', 1985, pg. 22 History and etymology The origins of the concept of neoteny have been traced to the Bible (as argued by Ashley Monta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salangidae
Salangidae, the icefishes or noodlefishes, are a family of small osmeriform fish, related to the smelts. They are found in Eastern Asia, ranging from the Russian Far East in the north to Vietnam in the south, with the highest species richness in China. Some species are widespread and common, but others have relatively small ranges and are threatened. Depending on species, they inhabit coastal marine, brackish or fresh water habitats, and some are anadromous, only visiting fresh water to spawn. Appearance and life cycle They are slender, have translucent or transparent bodies and almost no scales (females are entirely scale-less, while males have a few). The head is strongly depressed and has numerous teeth. The adults are believed to be neotenic, retaining some larval features. For example, the skeleton is not fully ossified, consisting largely of cartilage. They are small fish, typically around long; only a few reach , and the largest species no more than . Icefish rapidly rea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sundasalanx
''Sundasalanx'', the Sundaland noodlefishes, is the only genus in the family Sundasalangidae, which belongs to the same order as the herrings and their relatives. This family of extremely small fishes is restricted to freshwater environments of Southeast Asia with Indonesia being home to the majority of species. The seven currently recognized species in this genus are: * '' Sundasalanx malleti'' Siebert & Crimmen, 1997 * '' Sundasalanx megalops'' Siebert & Crimmen, 1997 * '' Sundasalanx mekongensis'' Britz & Kottelat, 1999 * '' Sundasalanx mesops'' Siebert & Crimmen, 1997 * '' Sundasalanx microps'' T. R. Roberts, 1981 * '' Sundasalanx platyrhynchus'' Siebert & Crimmen, 1997 * '' Sundasalanx praecox'' T. R. Roberts, 1981 (dwarf noodlefish) The FishBase classifies ''Sundasalanx'' as a pedomorphic genus within the family Clupeidae Clupeidae is a family of ray-finned fishes, comprising, for instance, the herrings, shads, sardines, hilsa, and menhadens. The clupeoids include ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anabarilius Grahami
The Kanglang fish (''Anabarilius grahami'') is a species of cyprinid fish. It is a pelagic species Endemism, endemic to Fuxian Lake in Yunnan, southern China. However, the species may now be in the process of extinction because of the introduced noodlefish ''Neosalanx taihuensis'', with which it is competing for food. References External links * Anabarilius Endemic fauna of Yunnan Freshwater fish of China Fish described in 1908 Taxa named by Charles Tate Regan {{Cultrinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plankton
Plankton are the diverse collection of organisms found in Hydrosphere, water (or atmosphere, air) that are unable to propel themselves against a Ocean current, current (or wind). The individual organisms constituting plankton are called plankters. In the ocean, they provide a crucial source of food to many small and large aquatic organisms, such as bivalves, fish and whales. Marine plankton include bacteria, archaea, algae, protozoa and drifting or floating animals that inhabit the saltwater of oceans and the brackish waters of estuaries. Freshwater plankton are similar to marine plankton, but are found in the freshwaters of lakes and rivers. Plankton are usually thought of as inhabiting water, but there are also airborne versions, the aeroplankton, that live part of their lives drifting in the atmosphere. These include plant spores, pollen and wind-scattered seeds, as well as microorganisms swept into the air from terrestrial dust storms and oceanic plankton swept into the air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Introduced Species
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accidentally. Non-native species can have various effects on the local ecosystem. Introduced species that become established and spread beyond the place of introduction are considered naturalized. The process of human-caused introduction is distinguished from biological colonization, in which species spread to new areas through "natural" (non-human) means such as storms and rafting. The Latin expression neobiota captures the characteristic that these species are ''new'' biota to their environment in terms of established biological network (e.g. food web) relationships. Neobiota can further be divided into neozoa (also: neozoons, sing. neozoon, i.e. animals) and neophyt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transparent Goby
''Aphia minuta'', the transparent goby, is a species of the goby native to the northeastern Atlantic Ocean where it can be found from Trondheim, Norway to Morocco. It is also found in the Mediterranean, Black Sea and the Sea of Azov. It is a pelagic species, inhabiting inshore waters and estuaries. It can be found at depths of from the surface to , though it is usually found at , over sandy and muddy bottoms and also in eelgrass beds. This species can reach a length of TL. It is an important species to local commercial fisheries. It is currently the only known member of its genus. Gastronomy This fish is appreciated in Spain as part of the Andalusian, Catalan and Valencian cuisines, and in Italy as part of the Italian cuisine. In Andalusia where they are called ''chanquetes'', they are traditionally served deep-fried, with fried eggs and roasted or fried bell pepper. Due to their high price and to their now protected species status in Spain, they are often replaced by so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salangichthys Microdon
''Salangichthys microdon'', the Japanese icefish, is a species of icefish found in Japan, Korea and the Russian Far East. With the recent removal of '' S. ishikawae'' to the genus ''Neosalangichthys'' this species is the only remaining member of the genus ''Salangichthys''. This species grows to a total length of . Despite its small size, it is considered a food fish and caught in commercial fisheries.Senta, T., I. Kinoshita, and T. Kitamura (1986). Larval Ishikawa Icefish, Salangichthys ishikawae from Surf Zones of Central Honshu, Japan. Bull. Fac. Fish. Nagasaki Univ. 59: 29–35.Saruwatari, T., and M. Okiyama (1992). Life History of Shirauo Salangichthys microdon; Salangidae in a Brackish Lake, Lake Hinuma, Japan. Nippon Suisan Gakkaishi 58(2): 235-248. ''Salangichthys microdon'' may show both migratory (anadromous; adults in salt water but moving to fresh water to breed) and non-migratory (always in brackish Brackish water, sometimes termed brack water, is water occurri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fecundity
Fecundity is defined in two ways; in human demography, it is the potential for reproduction of a recorded population as opposed to a sole organism, while in population biology, it is considered similar to fertility, the natural capability to produce offspring, measured by the number of gametes (eggs), seed set, or asexual propagules. Superfecundity refers to an organism's ability to store another organism's sperm (after copulation) and fertilize its own eggs from that store after a period of time, essentially making it appear as though fertilization occurred without sperm (i.e. parthenogenesis). Human demography Human demography considers only human fecundity, at its culturally differing rates, while population biology studies all organisms. The term ''fecundity'' in population biology is often used to describe the rate of offspring production after one time step (often annual). In this sense, fecundity may include both birth rates and survival of young to that time step. Whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
