Pdf banded karyotype of spined loach cobitis taenia and. The biology of a population of spined loach, cobitis taenia l. Oviparous, with distinct pairing during breeding ref. The variable presence of apoptosis in the testes of. European colonization by the spined loach cobitis taenia. Age, growth and reproduction of a population of spined loach. The variable presence of apoptosis in the testes of diploid. Opinion 1500 cobitis linnaeus, 1758 osteichthyes, cypriniformes. They reproduce gynogenetically and produce triploid eggs that are stimulated to. Pdf age, reproduction and fecundity of the spined loach. Spined loach, spiny loach, plus local names over vast range. Dna content of hepatocyte and erythrocyte nuclei of the. Cobitidae, with a checklist of european forms and suggestions for their conservation. Taxonomic status of the genus cobitis linnaeus, 1758.
Pdf diploid and triploid hybrid females of cobitis as a rule produce unreduced eggs which mainly develop gynogenetically, but some of the eggs. Cobitis striata was once thought to be a subspecies of cobitis taenia, but dna analysis has proven no direct connection. Cobitis taenia linnaeus, 1758 designated as the type species, and the original spelling of the familygroup name cobitidae swainson, 1839 confirmed. Here we present a comprehensive analysis of several important technical aspects of body masscorrected smr measurements and its repeatability in a small average weight. There are currently 96 recognized species in this genus. Twenty triploid females and one tetraploid were used. Cobitis centrochir aka cobitis bredai oeningen teylers. We present a phylogenetic investigation of the northern clade, the major monophyletic clade within the freshwater fish family cobitidae, one of the most prominent families of freshwater fishes found in asian and european waters. Please note that the language and terminology used in this collection reflects the context and culture of the time of its creation, and may include culturally sensitive information. A total of 174 specimens of the spined loach cobitis taenia linnaeus, 1758, comprising 117 females, 45.
Bulletin of zoological nomenclature 45, 178179 1988. Characteristics of rare males in the cobitid unisexual. The japanese spined loach, cobitis takatsuensis, has some unique morphological and ecological features among japanese cobitis species. In addition to scavenging, it will pick at algae growing on rocks. Helcom red list of threatened and declining species of lampreys and fish of the baltic sea. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, arkive. They occur in the baltic sea at salinities of up to 5 ppt ref. Nov 15, 2006 cobitis striata adapts very well to a highlyaerated aquarium. The spined loach typically reaches an adult length of 8. It is sometimes known as spotted weather loach, not to be confused with the typical weather loaches of the genus misgurnus. Flow rates measured at monthly intervals in areas where cobitis taenia. Two genetically divergent groups in the japanese spined. They reproduce gynogenetically and produce triploid eggs that are stimulated to development by sperm from cobitis males.
Behaviour and microhabitat of early stages of cobitis teania. In the present work, we investigated the phylogeography of the spined loach, cobitis taenia, using 1126 bp of the mitochondrial cytochrome b gene from 174 individuals collected at 47 sites. Nocturnal, stays hidden under rocks or buried in the sand or mud during the day ref. Culling ma, janko k, cote im, hewitt g 2006 european colonisation of the spined loach cobitis taenia from pontocaspian refugia based on mitochondrial dna. Spawning habitat of the endangered spined loach cobitis taenia was studied in. Banded karyotype of spined loach cobitis taenia and. Originally cobitis taenia was considered to have a native distribution from europe to japan.
More recent taxonomic research, morphological and genetic, has determined that the populations in asia, either previously considered c. Unlimited viewing of the articlechapter pdf and any associated. Use of erythrocyte measurement to detect natural triploids of spined loach cobitis taenia l. This is the first study concerning the features of the reproduction process of the karyologically identified spined loach c. Nemacheilidae in albania, with genetic analysis of populations of cobitis ohridana. Based on the production of an allotetraploid fish line 4nal, 4n 200, aabb, f 3f 28 derived from a cross between female carassius auratus var.
Development of nine polymorphic microsatellite loci in the. Pdf behaviour and microhabitat of early stages of cobitis. As an historical document, its contents may be at odds with contemporary views and terminology. This fish was long believed to be part of the widespread spined loach c. Evidence of the sterility of allotetraploid cobitis loaches. The status of the spined loach cobitis taenia l core. Spawning habitat of the endangered spined loach cobitis taenia was studied in northwestern germany. Some factors influencing the microdistribution of a. They are considered an important model organism to study biology and physiology of natural hybrid and polyploid vertebrates. Fishes in the uronian ay basin, their resources and fishery. First report on growth and reproduction of turcinoemacheilus bahaii. We analyzed the dna content of hepatocyte and erythrocyte nuclei of the spined loach cobitis taenia diploid and its allopolyploid forms.
Cobitis species exist in diploid populations, but mostly they occur in diploidpolyploid dp ones. Molecular evidence for multiple origins of the european. Nov 12, 2006 cobitis taenia taenia and its subspecies are the most successful, widespread species of any loach in the world. Absorbing hybridization of cobitis taenia and sabanejewia aurata cypriniformes, cobitidae 505 fig. Karyograms of spined loach species and biotypes studied. It contains the typical spiny loaches, including the wellknown spined loach of europe. At least 20,000 hepatocyte and erythrocyte nuclei were acquired and analyzed by flow cytometry. Wildscreen s arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth.
Age, growth and reproduction of a population of spined. Taxonomic study of the cobitis striata complex cypriniformes, cobitidae in japan. This is the type species of the spiny loach genus and the true loach family. Cobitis meridionalis is a species of rayfinned fish in the family cobitidae. Spined loaches genus cobitis are small bottom living fish species widespread in the europe, asia and north africa kottelat and freyhof, 2007, kottelat, 2012. It was found that the secondary lamellar area and the total length of the gill filaments were independently related to the lengths of the fish in each of the species.
The gill area to body weight relationship of two species of loach, noemacheilus barbatuhu l. Both these measurements were similar in the two species. Indeed, polyploidization causes a huge stress for the cell physiology and alter spermatogenesis in polyploid fish. Back calculations for length at age were carried out from otolith measurements and found to correspond closely to.
The habitat and management requirements of spined loach cobitis. The aim of this study was to determine whether tetraploid males participate in the reproduction. Download help cobitis taenia tsn 163981 taxonomy and nomenclature kingdom. It is found in albania, greece, and north macedonia its natural habitat is freshwater lakes. Age, reproduction and fecundity of the spined loach cobitis taenia l.
Repeatability of standard metabolic rate smr in a small. Leptobotia tchangi fang 1936 in honor of tchunlin or tchunglin tchang 18971963. Spawning marks in spined loaches cobitis taenia, cobitidae, teleostei article pdf available in folia zoologica praha 571 january 2008 with 129 reads how we measure reads. The dimensions of the gills of fwo species of loach. This is the type species of the spiny loach genus and the true loach family description. However, it is not a legal authority for statutory or regulatory purposes. First we demonstrated that release of oxygen from the walls of metabolic chambers exposed to hypoxic conditions did not. Dec 19, 2005 in the present work, we investigated the phylogeography of the spined loach, cobitis taenia, using 1126 bp of the mitochondrial cytochrome b gene from 174 individuals collected at 47 sites. Cobitis taenia article about cobitis taenia by the free. Retrivied july 17, 2018, from the integrated taxonomic information system itis. The histology of 71 ovaries, and gonadosomatic index gsi of karyologically identified spined loach cobitis. The cobitis hankugensisiksookimia longicorpa formerly c. Cobitis dalmatina is a species of rayfinned fish in the true loach family cobitidae.
Spined loach cobitis taenia, a fish of the family cobitidae. The spined loach cobitis taenia is a small bottom dwelling fish, which is confined to the rivers and drainage channels in the midlands and. Transcribe page 79 of 226 smithsonian digital volunteers. We describe a new species of spined loach, cobitis sakahoko, based on the holotype and nine paratypes collected from the oyodo river system in the southern region of kyushu island, japan.
Pdf age, reproduction and fecundity of the spined loach cobitis. Regularities of variation of the red blood indices characterizing the respiratory function of blood in selected fish. Genetic sexuality investigation of cobitis taenia along. For a long time, spined loach populations from the southern. Pdf meiotic chromosome configurations in oocytes of cobitis. Cladistic analysis of dna sequence data ndna rag1 and s7 ribosomal protein intron 1, and mtdna cytochrome b confirms that it is properly treated. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties.
At each age, females were larger than males and both sexes showed a marked seasonal pattern of growth with a high rate from may through november. Comparative histology of the testes of the spined loach cobitis. European colonization by the spined loach cobitis taenia from pontocaspian refugia based on mitochondrial dna variation. Mitochondrial dna analyses were conducted to investigate the magnitude of intraspecific differentiation and phylogenetic relationships among japanese congeners of c.
Back calculations for length at age were carried out from otolith measurements and found to correspond closely to actual measurements. The spined loach cobitis taenia is a common freshwater fish in europe. Nov 11, 2006 cobitis taenia taenia image search by jeff shafer last modified nov 11, 2006 11. Microhabitat preferences of triploid cobitis fish and.
Its range is immense, but mainly restricted to countries that have a proper winter season. The most extensively studied modes of germ cell death. Pdf spawning habitat in the spined loach, cobitis taenia. Pdf meiotic chromosome configurations in oocytes of. A taxonomic species within the family cobitidae spotted weather loach, of fresh waters of cooltemperate europe. Banded karyotype of spined loach cobitis taenia and triploid. The diploidpolyploid populations of cobitis distributed in poland are usually composed of the spined loach cobitis taenia or, less often, the danubian loach c. Regularities of variation of the red blood indices. A total of 174 specimens of the spined loach cobitis taenia linnaeus, 1758, comprising 117 females, 45 males and 12 juveniles, from lake klawoj. Genetic sexuality investigation of cobitis taenia along with. Pdf european colonization by the spined loach cobitis. Monthly observations october 1972october 1974 of a natural population of spined loach, cobitis taenia l. Phylogenetic reconstructions based on the cytochrome b and rag1 genes show the genera microcobitis, sabanejewia, koreocobitis and. The distribution was clearly linked to the areas of fine substrate, which altered seasonally in position.
Comparative histology of the testes of the spined loach cobitis taenia l. Pdf spawning habitat of the endangered spined loach cobitis taenia was studied in northwestern germany. The aim of this study was to determine whether tetraploid males participate in the reproduction process by analyzing their testis. Pdf spawning marks in spined loaches cobitis taenia. Evidence of the sterility of allotetraploid cobitis. Cobitis taenia 17741804 print iconographia zoologica special collections university of amsterdam uba01 iz15000182.
In total, 51 haplotypes that differed at 49 positions 4. Cobitis striata adapts very well to a highlyaerated aquarium. Similar spiny loaches, occurring generally south of the range of cobitis, are nowadays separated in sabanejewia species. Cobitis is a genus of small freshwater fish in the family cobitidae from temperate and subtropical eurasia. Diversity of european spined loaches genus cobitis l. However, there are a few males that show no differences from the hybrid females in their general morphology except the presence of a lamina circularis on the pectoral fin. Widespread throughout most of europe and northern asia. Within korea and japan, the species forms a complex which. Cobitis narentana is a species of rayfinned fish in the true loach family cobitidae.
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