Western tubenose goby
Encyclopedia
The western tubenose goby, or freshwater tubenose goby, (Proterorhinus semilunaris) is a limnetic
Fresh Water
Fresh Water is the debut album by Australian rock and blues singer Alison McCallum, released in 1972. Rare for an Australian artist at the time, it came in a gatefold sleeve...

 fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 in the Gobiidae family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

. During the long period this fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 was considered as a junior synonym
Synonym (taxonomy)
In scientific nomenclature, a synonym is a scientific name that is or was used for a taxon of organisms that also goes by a different scientific name. For example, Linnaeus was the first to give a scientific name to the Norway spruce, which he called Pinus abies...

 of the tubenose goby, P. marmoratus (Pallas
Peter Simon Pallas
Peter Simon Pallas was a German zoologist and botanist who worked in Russia.- Life and work :Pallas was born in Berlin, the son of Professor of Surgery Simon Pallas. He studied with private tutors and took an interest in natural history, later attending the University of Halle and the University...

, 1814). But it was redescribed
Species description
A species description or type description is a formal description of a newly discovered species, usually in the form of a scientific paper. Its purpose is to give a clear description of a new species of organism and explain how it differs from species which have been described previously, or are...

 as a different species based on molecular analysis.

Description

The body and head is flattened laterally. It has 37-46 large, cycloid scales. Its jaws are equal by length. It has an abdominal sucker without explicit blades. It has no swim bladder. The head's width is usually less than its height. Crown, nape, upper edges of operculums, origins of pectoral fins, belly, and posterior part of throat are covered with cycloid scales. Body color is brown to yellowish-gray with 4-5 dark streaks on back, transforming to spots below the middle of the body. Its fins are typically striped. It reaches 12 centimetres (4.7 in). It differs from the closely related marine tubenose goby
Marine tubenose goby
The marine tubenose goby is a brackish-water species of fish in the Gobiidae family. It is widely distributed in desalinated parts of the Black Sea and Sea of Azov, near the coasts of Bulgaria, Georgia, Romania, and Ukraine....

 P. marmoratus by the head
Head
In anatomy, the head of an animal is the rostral part that usually comprises the brain, eyes, ears, nose and mouth . Some very simple animals may not have a head, but many bilaterally symmetric forms do....

 length, which constitutes 28-32% of the fish's standard length. The posterior membrane of first dorsal fin
Dorsal fin
A dorsal fin is a fin located on the backs of various unrelated marine and freshwater vertebrates, including most fishes, marine mammals , and the ichthyosaurs...

 reaches the origin of the second dorsal fin
Dorsal fin
A dorsal fin is a fin located on the backs of various unrelated marine and freshwater vertebrates, including most fishes, marine mammals , and the ichthyosaurs...

. Arterior naris reaches the upper lip
Lip
Lips are a visible body part at the mouth of humans and many animals. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech...

 or uppermost margin of the lower lip
Lip
Lips are a visible body part at the mouth of humans and many animals. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech...

. Eye
Eye
Eyes are organs that detect light and convert it into electro-chemical impulses in neurons. The simplest photoreceptors in conscious vision connect light to movement...

 diameter
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle...

 is 16-21% of head
Head
In anatomy, the head of an animal is the rostral part that usually comprises the brain, eyes, ears, nose and mouth . Some very simple animals may not have a head, but many bilaterally symmetric forms do....

 length.

Range

The species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 is native to the fresh water
Fresh Water
Fresh Water is the debut album by Australian rock and blues singer Alison McCallum, released in 1972. Rare for an Australian artist at the time, it came in a gatefold sleeve...

s of the Black Sea
Black Sea
The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...

 basin and the Maritza
Maritsa
The Maritsa or Evros , ) is, with a length of 480 km, the longest river that runs solely in the interior of the Balkans. It has its origin in the Rila Mountains in Western Bulgaria, flowing southeast between the Balkan and Rhodope Mountains, past Plovdiv and Parvomay to Edirne, Turkey...

 and Struma rivers draining the Aegean Sea
Aegean Sea
The Aegean Sea[p] is an elongated embayment of the Mediterranean Sea located between the southern Balkan and Anatolian peninsulas, i.e., between the mainlands of Greece and Turkey. In the north, it is connected to the Marmara Sea and Black Sea by the Dardanelles and Bosporus...

. It inhabits the Danube
Danube
The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 River
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 from the delta
Danube Delta
The Danube Delta is the second largest river delta in Europe, after the Volga Delta, and is the best preserved on the continent. The greater part of the Danube Delta lies in Romania , while its northern part, on the left bank of the Chilia arm, is situated in Ukraine . The approximate surface is...

 to the mouth Morava and in the Danube Lakes
Danube Delta
The Danube Delta is the second largest river delta in Europe, after the Volga Delta, and is the best preserved on the continent. The greater part of the Danube Delta lies in Romania , while its northern part, on the left bank of the Chilia arm, is situated in Ukraine . The approximate surface is...

, from Prut
Prut
The Prut is a long river in Eastern Europe. In part of its course it forms the border between Romania and Moldova.-Overview:...

 to Iași
Iasi
Iași is the second most populous city and a municipality in Romania. Located in the historical Moldavia region, Iași has traditionally been one of the leading centres of Romanian social, cultural, academic and artistic life...

. In Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, it lives in the Kamchiya
Kamchiya
The Kamchiya is a 244.5 km long river in eastern Bulgaria, the longest river on the Balkan Peninsula to flow directly into the Black Sea...

, Ropotamo
Ropotamo
The Ropotamo is a relatively short river in southeastern Bulgaria. It takes its source from the Strandzha Mountains, running for to empty into the Black Sea between Dyuni and Primorsko....

, Veleka
Veleka
The Veleka is a river in the very southeast of Bulgaria , as well as the very northeast of European Turkey. It is 147 km long, of which 123 km in Bulgaria and 25 km in Turkey, and takes it sources from a number of Karst springs in the Turkish part of the Strandzha mountain to flow...

, and Rezovska
Rezovo River
The Rezovo River is a river in southeasternmost Bulgaria and northernmost Turkey....

 rivers. It inhabits the basins of the Dniester
Dniester
The Dniester is a river in Eastern Europe. It runs through Ukraine and Moldova and separates most of Moldova's territory from the breakaway de facto state of Transnistria.-Names:...

 and Southern Bug
Southern Bug
The Southern Bug, also called Southern Buh), is a river located in Ukraine. The source of the river is in the west of Ukraine, in the Volyn-Podillia Upland, about 145 km from the Polish border, and flows southeasterly into the Bug Estuary through the southern steppes...

 rivers. In the Dnieper river the natural range is from the estuary
Estuary
An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 to Trubizh River
Trubizh River
Trubizh is a river entirely located in Ukraine, a left tributary of Dnieper. It falls into the Dnieper's Kaniv Reservoir .It is not to be confused with the Russian Trubezh River ....

. In the basin of the Sea of Azov
Sea of Azov
The Sea of Azov , known in Classical Antiquity as Lake Maeotis, is a sea on the south of Eastern Europe. It is linked by the narrow Strait of Kerch to the Black Sea to the south and is bounded on the north by Ukraine mainland, on the east by Russia, and on the west by the Ukraine's Crimean...

 it lives in the river
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s Don
Don River (Russia)
The Don River is one of the major rivers of Russia. It rises in the town of Novomoskovsk 60 kilometres southeast from Tula, southeast of Moscow, and flows for a distance of about 1,950 kilometres to the Sea of Azov....

, Seversky Donets
Seversky Donets
Seversky Donets is a river on the south of the East European Plain. It originates in the Central Russian Upland, north of Belgorod, flows south-east through Ukraine and then again through Russia to join the Don River, about from the Sea of Azov...

 (to Sviatohirsk
Sviatohirsk
Sviatohirsk or Svyatogorsk is a small city in Donetsk Oblast of Ukraine. The population is 5,136 . Before 2003, the city was known as Slovianohirsk or Slavyanogorsk , and before 1964 it was known as Bannovsky or Bannovskoe , so called for the medicinal baths constructed near the Svyatogorsky...

), in the estuary
Estuary
An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 of the Kuban River
Kuban River
The Kuban River is a river in Russia, in the North Caucasus region. It flows mostly through Krasnodar Krai but also in the Karachay-Cherkess Republic, Stavropol Krai and the Republic of Adygea....

. It also inhabits Lake Neusiedler.

Also it is mentioned as non-indigenous
Invasive species
"Invasive species", or invasive exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats, with several definitions....

 in the upper streams of the Danube
Danube
The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 river
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

, the Dnieper river
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 , the Rhine-Main system (North Sea
North Sea
In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...

 basin), the Vistula
Vistula
The Vistula is the longest and the most important river in Poland, at 1,047 km in length. The watershed area of the Vistula is , of which lies within Poland ....

, and the Laurentian Great Lakes
Great Lakes
The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth by total surface, coming in second by volume...

. During the period of 2008-2010, this species was registered in the Meuse River on the border between Belgium
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 and Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

.

Feeding

In the Nové Mlýny reservoirs
Nové Mlýny reservoirs
The Nové Mlýny reservoirs are three reservoirs behind the Nové Mlýny Dam on the Dyje River in the Czech Republic. The lower reservoir, 1668 ha in area, is the Novomlynska Reservoir, the middle reservoir, 1031 ha, is the Věstonice Reservoir and the upper reservoir, 528 ha, is the Musovska ...

 (River
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 Thaya
Thaya
The Thaya is a river in Central Europe, tributary to the Morava River. It is about 235 km long and meanders from west to east in the border area between Lower Austria and South Moravia , but does not exactly follow the border in most parts...

, the basin of the Morava River) the larvae
Larvae
In Roman mythology, lemures were shades or spirits of the restless or malignant dead, and are probably cognate with an extended sense of larvae as disturbing or frightening...

 of Chironomidae
Chironomidae
Chironomidae are a family of nematoceran flies with a global distribution. They are closely related to the Ceratopogonidae, Simuliidae, and Thaumaleidae...

, mostly Phytotendipes gripekoveni comprise 40.2% and Asellus aquaticus 27.6% as well as Corixidae, copepods, Ceratopogonidae
Ceratopogonidae
Ceratopogonidae, or biting midges , are a family of small flies in the order Diptera...

, Cladocera
Cladocera
Cladocera is an order of small crustaceans commonly called water fleas. Around 620 species have been recognised so far, with many more undescribed. They are ubiquitous in inland aquatic habitats, but rare in the oceans. Most are long, with a down-turned head, and a carapace covering the apparently...

, and leech
Leech
Leeches are segmented worms that belong to the phylum Annelida and comprise the subclass Hirudinea. Like other oligochaetes such as earthworms, leeches share a clitellum and are hermaphrodites. Nevertheless, they differ from other oligochaetes in significant ways...

es (Hirudinea).

Parasites

Infestation is low in the natural range. In the delta
River delta
A delta is a landform that is formed at the mouth of a river where that river flows into an ocean, sea, estuary, lake, reservoir, flat arid area, or another river. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river...

 of the Dniester
Dniester
The Dniester is a river in Eastern Europe. It runs through Ukraine and Moldova and separates most of Moldova's territory from the breakaway de facto state of Transnistria.-Names:...

 River
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 they have 5 parasite species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

; trematodes Nicolla skrjabini are most numerous. In the small rivers of the northern coast
Coast
A coastline or seashore is the area where land meets the sea or ocean. A precise line that can be called a coastline cannot be determined due to the dynamic nature of tides. The term "coastal zone" can be used instead, which is a spatial zone where interaction of the sea and land processes occurs...

 of the Sea of Azov
Sea of Azov
The Sea of Azov , known in Classical Antiquity as Lake Maeotis, is a sea on the south of Eastern Europe. It is linked by the narrow Strait of Kerch to the Black Sea to the south and is bounded on the north by Ukraine mainland, on the east by Russia, and on the west by the Ukraine's Crimean...

 it has trematodes Plagioporus skrjabini
Plagioporus skrjabini
Plagioporus skrjabini is a species of a trematode in the family Opecoelidae.- Hosts :Hosts of Plagioporus skrjabini include:* Snail Theodoxus fluviatilis serves as the first intermediate host...

and glochidia of molluscs.

After introduction
Introduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...

, the tubenose goby in the Morava River have 13 parasite species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

; the trematodes, such as Apatemon cobitidis proterorhini, Diplostomum spathaceum, Tylodelphys clavata, were most numerous in the parasite community. In the Great Lakes
Great Lakes
The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth by total surface, coming in second by volume...

 the introduced
Introduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...

 tubenose goby was infected with 6 parasite species, but the infestation with every particular species was very low. It is included as paratenic host to the life cycle
Biological life cycle
A life cycle is a period involving all different generations of a species succeeding each other through means of reproduction, whether through asexual reproduction or sexual reproduction...

 of the parasite of turtles, the nematode
Nematode
The nematodes or roundworms are the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Nematode species are very difficult to distinguish; over 28,000 have been described, of which over 16,000 are parasitic. It has been estimated that the total number of nematode...

Spiroxys contortus.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK