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Urotrygon simulatrix

Urotrygon simulatrix (lat.) Is a poorly studied species of the genus Urotrygon of the family Urotrygonidae of the order of the caudate . It lives in the tropical waters of the eastern Pacific. It occurs at a depth of 15 m. The maximum recorded length is 27 cm. The pectoral fins of these rays form an oval disk. The tail ends with a leaf-like caudal fin. In the middle part of the caudal stem is a poisonous thorn [1] [2] . It is not an object of target fishing [3] [4] .

Urotrygon simulatrix
Scientific classification
Domain:Eukaryotes
Kingdom:Animals
Kingdom :Eumetazoi
No rank :Bilateral symmetrical
No rank :Secondary
Type of:Chordate
Subtype :Vertebrates
Infratype :Maxillary
Group :Fish
Grade:Cartilaginous fish
Subclass :Euselemia
Infraclass :Gill
Squadron :Ramps
Squad:Caudate
Suborder :Bracken
Superfamily :Urotrygon- like ( Urotrygonoidea )
Family:Stingrays
Gender:Urotrigons
View:Urotrygon simulatrix
International scientific name

Urotrygon simulatrix McEachran & Miyake , 1988

Security status
Status none DD.svg en:Data Deficient
Not enough data
IUCN Data Deficient : 161394

Content

Taxonomy

The species was first scientifically described in 1988 [5] . The specific name comes from the word lat. simulatus - β€œimitation” due to the similarity of the location of the scales with Urotrygon munda and the morphological characteristics with Urotrygon chilensis [6] . The holotype is a female 26.4 cm long, caught in the Gulf of Panama . Paratypes : 2 males 9.3 cm and 26.7 cm long and a female 25.8 cm long, caught there [7] .

Range

Urotrygon simulatrix live in the Gulf of Panama . These bottom fish are found in shallow water with soft soil at a depth of 2 to 15 m [2] [1] .

Description

The wide pectoral fins of these slopes merge with the head and form a disk in the form of a "heart". Disc width exceeds length. The pointed snout forms an obtuse angle and protrudes beyond the edges of the disc. Behind fairly large eyes are sprinklers . The ventral fins are rounded. Tail length exceeds disc length. The tail ends with an elongated tail fin. A spike is located on the dorsal surface of the tail in the central part. Dorsal fins absent. There are 5 pairs of gill slits on the ventral side of the disc. The skin is covered with scales with star-shaped bases. Along the midline of the disk lies 1-2 rows of spines. The ventral surface is light; a wide dark stripe runs along the lateral edges. Coloring even dark gray-brown color. Maximum recorded length 27 cm [2] [1] .

Biology

Like other representatives of the Urotrygonidae family , these stingrays reproduce by egg production [3] .

Human Interaction

These ramps are not the target fishing target. They are probably caught by-catch in the commercial fishery of shrimp and bottom fish. There is insufficient data to evaluate the conservation status of the species by the International Union for Conservation of Nature [3] .

Notes

  1. ↑ 1 2 3 Urotrygon simulatrix (English) information on the Encyclopedia of Life website (EOL).
  2. ↑ 1 2 3 McEachran, JD Urolophidae. Rayas redondas = W. Fischer, F. Krupp, W. Schneider, C. Sommer, KE Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. - Rome: FAO, 1995 .-- T. 3 .-- S. 786-792.
  3. ↑ 1 2 3 Urotrygon simulatrix . The IUCN Red List of Threatened Species .
  4. ↑ Urotrygon simulatrix in the FishBase database.
  5. ↑ Miyake, T. & McEachran, JD Three new species of the stingray genus Urotrygon (Myliobatiformes: Urolophidae) from the eastern Pacific // Bulletin of Marine Science. - Vol. 42, No. (3) . - P. 366-375.
  6. ↑ Christopher Scharpf and Kenneth J. Lazara. Fish Name Etymology Database (Neopr.) . The ETYFish Project . Date of treatment April 13, 2014.
  7. ↑ Urotrygon simulatrix (neopr.) . Shark References. Date of appeal October 31, 2014.

Links

  • Species of Urotrygon simulatrix (English) in the World Register of Marine Species .
Source - https://ru.wikipedia.org/w/index.php?title=Urotrygon_simulatrix&oldid=67898695


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