Symphurus

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Symphurus
Symphurus arawak - pone.0010676.g189.png
Symphurus arawak
Symphurus ommaspilus - pone.0010676.g190.png
Symphurus ommaspilus
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Pleuronectiformes
Family: Cynoglossidae
Subfamily: Symphurinae
Genus: Symphurus
Rafinesque, 1810
Type species
Symphurus nigrescens
Rafinesque, 1810
Synonyms
  • AmmopleuropsGünther, 1862
  • GlossichthysGill, 1861

Symphurus is a genus of fish in the family Cynoglossidae found in the Atlantic, Indian and Pacific Ocean. Most species mainly occur in relatively shallow water, including estuaries. Some species are also found in deeper water, including S. thermophilus that lives at hydrothermal vents (the only flatfish known from this habitat). [1] [2] These species are distinguished by merged dorsal, caudal and anal fins, the absence of a lateral line and pectoral fins, and the presence of only one pelvic fin. They are sinistral flatfishes, meaning that as adults, their crania are asymmetrical, with both eyes on the left side. The largest species grows to about 32 cm (1 ft) long.

Species

There are currently 78 recognized species in this genus:

Related Research Articles

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A flatfish is a member of the ray-finned demersal fish order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the head, one or the other migrating through or around the head during development. Some species face their left sides upward, some face their right sides upward, and others face either side upward.

<span class="mw-page-title-main">Grenadiers (fish)</span> Subfamily of fishes

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<i>Citharichthys</i> Genus of fishes

Citharichthys is a genus of flatfish in the large-tooth flounder family, Paralichthyidae. They have both eyes on the left sides of their heads. They are native to the oceans around the Americas, with a single species, C. stampflii off the West African coast. Most are found in relatively shallow depths, but the genus also includes species found in deep water and species that enter fresh water.

<span class="mw-page-title-main">Tonguefish</span> Family of fishes

Tonguefishes are flatfish in the family Cynoglossidae. They are distinguished by the presence of a long hook on the snout overhanging the mouth, and the absence of pectoral fins. Their eyes are both on the left side of their bodies, which also lack a pelvic fin. This family has three genera with a total of more than 140 species. The largest reaches a length of 66 cm (26 in), though most species only reach half that size or less. They are found in tropical and subtropical oceans, mainly in shallow waters and estuaries, though some species are found in deep sea floors, and even a few in rivers.

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<i>Symphurus thermophilus</i> Species of fish

Symphurus thermophilus is a species of tonguefish notable for being the only flatfish known to be an obligate inhabitant of hydrothermal vents. It is known from several widely dispersed locations in the western Pacific Ocean and occurs in great numbers. They are tolerant of harsh conditions and are often found in close association with elemental sulfur, including molten sulfur pools that exceed 180 °C in temperature. As they are not significantly different in appearance and feeding habits from other tonguefishes, they are thought to be relatively recent colonizers of vent ecosystems.

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Cynoglossus is a genus of fish in the family Cynoglossidae. Most species are indigenous to the Indo-Pacific region, but there are also a few in warmer parts of the East Atlantic. They are commonly found in shallow waters on a muddy or sandy bottom, including estuaries and a few species are restricted to fresh water. One species Cynoglossus sinusarabici has invaded the Mediterranean Sea through the Suez Canal from the Red Sea, a process known as Lessepsian or Erythrean migration.

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<i>Aseraggodes</i> Genus of fishes

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<i>Symphurus pusillus</i> Species of fish

The northern tonguefish is a species of fish belonging to the family Cynoglossidae.

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Verena Julia Tunnicliffe is a Canadian Marine Biologist and Professor of the University of Victoria. Since 2002, she has held the position of Canada Research Chair in Deep Ocean Research. Her research on hydrothermal systems helped establish Canada's first Endeavor Hot Vents Marine Protected Area. Her research has also led to the discovery of over 80 new species of marine life.

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References

  1. Tyler, J. (2005): Distribution, population characteristics and trophic ecology of a sulphophilic hydrothermal vent tonguefish (Pleuronectiformes: Cynoglossidae). Master of Science. Thesis. University of Victoria: Canada.
  2. Munroe, T.A. & Hashimoto, J. (2008): A new Western Pacific Tonguefish (Pleuronectiformes: Cynoglossidae): The first Pleuronectiform discovered at active Hydrothermal Vents. Zootaxa, 1839: 43–59.
  3. 1 2 Lee, M.-Y., Munroe, T.A. & Kai, Y. (2016): Description of a new cryptic species of tonguefish (Pleuronectiformes: Cynoglossidae: Symphurus) from shallow waters off Japan. Ichthyological Research, 64 (1): 71–83.
  4. Lee, M.-Y., Munroe, T.A. & Shao, K.-T. (2014): Description of a new cryptic, shallow-water tonguefish (Pleuronectiformes: Cynoglossidae: Symphurus) from the western North Pacific Ocean. Journal of Fish Biology, 85 (3): 563–585.
  5. Munroe, T.A., Tyler, J. & Tunnicliffe, V. (2011): Description and biological observations on a new species of deepwater symphurine tonguefish (Pleuronectiformes: Cynoglossidae: Symphurus) collected at Volcano–19, Tonga Arc, West Pacific Ocean. Zootaxa, 3061: 53-66.