Redescription of clarias macrocephalus siluriformes. Frantzis pelagos cetacean research institute, terpsichoris 21, 16671 vouliagmeni, greece c. Atopochilus macrocephalus wikispecies, free species. Occurs in shallow, open water and is capable of lying buried in mud for lengthy period if ponds and lakes evaporate during dry seasons ref. An physeter macrocephalus in uska species han mammalia nga ginhulagway ni linnaeus hadton 1758. Gadus macrocephalus synonyms, gadus macrocephalus pronunciation, gadus macrocephalus translation, english dictionary definition of gadus macrocephalus.
Occipital process wide, broadly curved, with length 35 times in its width. This page was last edited on 30 january 2016, at 23. Files are available under licenses specified on their description page. It is not a condition in itself, but it may be a symptom of other conditions or complications in the brain. Found mainly along the continental shelf and upper slopes ref. Distinguished from southeast asian congeners by an extremely short and rounded occipital process and by a very high dorsal fin. Lives mainly along the continental shelf and upper slope of the north pacific in the areas bordered by korea and the western chukchi peninsula in the west, and norton sound and oregon in the east. On the spawning of pacific cod gadus macrocephalus in the.
The cows with their young give from nothing up to 35 barrels, and seem to go in schools together, and we frequently see from twentyfive to fifty and sometimes one hundred or more in a school, with occasionally a large bull among them, and at times, though seldom, we find all sizes together. Adults feed on fishes, octopi, and large benthic and benthopelagic crustaceans ref. Recorded as having been or being farmed in rice fields ref. A very large toothed whale formerly hunted for the spermaceti in its massive head and the ambergris in. The specific name macrocephalus is a combination of the greek makros long, and kephale head. The thai walking catfish, clarias macrocephalus gunther, 1864, is economically important to thailand. Chukchi and beaufort seas eastward across arctic canada to western greenland. Effects of melatonin on clarias macrocephalus female broodstock performance. This page was last edited on 22 december 2019, at 03. Growout culture of the asian catfish clarias macrocephalus. Responses of male sperm whales physeter macrocephalus to. Macrocephalus definition of macrocephalus by medical dictionary. Responses of male sperm whales physeter macrocephalus.
North atlantic stock stock definition and geographic range the distribution of the sperm whale in the u. A radionuclide salivagram of a 4yearold girl with recurrent lung infections, macrocephalus, psychomotor retardation, and seizure disorder was. He had collected thirtythree cases of craniotomy for idiocy and macrocephalus, and found that the results were always negative. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Volume 240, issues 14, 27 october 2004, pages 145163. Young probably feed on copepods and similar organisms ref. It was noteworthy that the difference in traits among crosses within each genetic group c. Macrocephalous medical definition merriamwebster medical. Evidence that sperm whale physeter macrocephalus calves suckle through their mouth g. Evidence that sperm whale physeter macrocephalus calves. We explored the antipredator behaviour of five typicallysolitary male sperm whales physeter macrocephalus in the norwegian sea by playing sounds of. Note that line priority cited by some sources as justification for using physeter catodon over p. It is commonly known as the cobbler, estuary cobbler, deteira, estuary catfish, south australian catfish, or swan river catfish. The broadhead catfish clarias macrocephalus is an economically important airbreathing catfish that is a native of southeast asia. There are more than 30 described species in macrocephalus species.
This whale, among the english of old vaguely known as the trumpa whale, and the physeter whale, and the anvil headed whale, is the present cachalot of the french, and the pottsfich of the germans, and the macrocephalus of the long words. Cnidoglanis macrocephalus wikispecies, free species. Asian catfish clarias macrocephalus is an esteemed food fish especially in southeast asia due to its tender and delicious meat. Physeter macrocephalus article about physeter macrocephalus. Cnidoglanis macrocephalus is a species of catfish order siluriformes of the family plotosidae, and is the only species of the genus cnidoglanis. The purpose of this study was to investigate the exogenous melatonin feeding administration to the first puberty stage in male broodstock of the walking catfish, clarias macrocephalus. However, native populations now face extinction due to manmade activities and genetic introgression due to interbreeding. Notes on the induced breeding of clarias macrocephalus gunther. It occurs in riffles over stony or gravel beds in streams with moderate to fast currents in the mengla river in yunnan, a tributary of the mekong, and the nam youan in northern laos, in turn a tributary of the mengla.
Get a printable copy pdf file of the complete article 388k, or click on a page image below to browse page by page. Page designed through the cooperative efforts of interagency itis teams. Open, download, or view adobe acrobat files as pdf or html files in your browser. Macrocephaly definition of macrocephaly by the free dictionary. Macrocephalus is an older term used to describe somebody with a large head.
Wildscreens arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. These 37 species belong to the genus macrocephalus. So, when scientifically naming this organisms, since it has the largest head in any of the four oceans taking up of the animals total length it only seemed right to name it for its large head. An older term of waning use for a large head or a person with a large head. Gadus macrocephalus wikispecies, free species directory. Atopochilus macrocephalus wikispecies, free species directory. Pdf effects of melatonin on clarias macrocephalus female.
Pdf genetic variation and population structure of the. Anatomy of the eye of the sperm whale physeter macrocephalus l. Full text full text is available as a scanned copy of the original print version. On the sternum of the spermwhale physeter macrocephalus. About 9% of the fish hosts were free of monogeneans, while 25% had one, 28% had. Junction of cambo and kwango or cuango rivers at fort don carlos, loanda district, angola. Macrocephalus article about macrocephalus by the free. The combination of these characters are diagnostic for the species ref. We explored the antipredator behaviour of five typicallysolitary male sperm whales physeter macrocephalus in the norwegian sea by playing sounds of mammalfeeding killer whales and monitoring. Genetic diversity of walking catfish, clarias macrocephalus. Genetic variation and population structure of the pacific cod gadus macrocephalus in korean waters revealed by mtdna and msdna. It occupies marshes and swamps that are severely endangered due to population expansion and natural populations are thought to be suffering from massive backcrossing with the c.
Download fulltext pdf download fulltext pdf anatomy of the eye of the sperm whale physeter macrocephalus l. Physeter macrocephalus synonyms, physeter macrocephalus pronunciation, physeter macrocephalus translation, english dictionary definition of physeter macrocephalus. Results of experiments on induced breeding of clarias macrocephalus gunther in countries like the philippines and thailand are quite encouraging. It is the only living member of genus physeter, and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus kogia. If these names are both properly applicable to the sperm whale then the principle of first reviser applies, in which case p.
Its bathymetric range extends from shallow water 10 m to about 550 m, but it is mostly between 100 and 400 m in the gulf of alaska and the bering sea. Greenland halibut is commercially important in the north atlantic and the pacific, and is an important food item for deepfeeding marine mammals e. It is consumed for food and is threatened by human activities with very extensive diamond mining being the most significant threat. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Subscribe to americas largest dictionary and get thousands more definitions and advanced searchad free. Clarias macrocephalus gunther during an annual reproductive cycle. Read pdf files right in your browser the pdf download extension. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia factfiles for more than 16,000 endangered species. Benedikt called attention to the frequency of leptocephalus and macrocephalus in hemiplegia and paraplegia spastica infantilis, and to the frequency. Johnson earthocean, 19 young street, albert park, victoria 3206, australia email. In this video, we created simple steps how to how to download and install free pdf reader.
Macrocephalus definition of macrocephalus by medical. Macrocephaly definition of macrocephaly by the free. Download pdf download for windows now from softonic. The sperm whale physeter macrocephalus or cachalot. Please tell us where you read or heard it including the quote, if possible. Pdf isolation of microsatellites in the bighead catfish. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Macrocephalus is a genus of ambush bugs in the family reduviidae. They appear to be indiscriminate predators upon dominant food organisms present ref. Download free pdf reader for windows now from softonic.
Hosted by the usgs core science analytics and synthesis. However, it is not a legal authority for statutory or regulatory purposes. Pdf effects of melatonin in clarias macrocephalus male. Seed production of the native catfish clarias macrocephalus. Pdf anatomy of the eye of the sperm whale physeter. Schistura macrocephalus is a species of rayfinned fish. The present study documents the isolation of eight polymorphic microsatellite markers from the bighead catfish, clarias macrocephalus and crossamplification in two other catfish species. Macrocephalus medical definition merriamwebster medical. Physeter macrocephalus, which is the largestknown toothed whale, said olivier lambert of the. These notes on the induced breeding of the species mentioned are. Macrocephalus dorannae is a species of ambush bug in the family reduviidae.
This commodity constitutes a valuable fishery for smallscale fishers in the region and has a great potential for aquaculture. Gadus macrocephalus closely related to atlantic cod alaska cod, pacific cod codfish, cod major food fish of arctic and coldtemperate waters. The fish is farmed in ponds for use in human consumption in countries such as thailand thai. Exclusive economic zone eez occurs on the continental shelf edge, over the continental slope, and into midocean regions figure 1. Nov 30, 2016 macrocephaly refers to an overly large head in infants.
It occurs in riffles over stony or gravel beds in streams with moderate to fast currents in the mengla river in yunnan, a tributary of the mekong, and the nam youan in northern laos, in turn a. Pdf redescription of clarias macrocephalus siluriformes. Physeter macrocephalus head anatomy wikimedia commons. Genetic diversity of walking catfish, clarias macrocephalus, in thailand and evidence of genetic introgression from introduced farmed c. Here we listed some of the best pdf readers for windows, which can help you to view your pdf files. Publications released earlier than 2010 can be accessed at the aqd repository. Clarias macrocephalus wikispecies, free species directory. Atopochilus macrocephalus boulenger, 1906 holotype unique. Atopochilus macrocephalus is a species of upsidedown catfish endemic to angola where it occurs in the kwango river in the vicinity of fort don carlos.
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