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Dipturus garricki

Dipturus garricki (lat.) - a species of cartilaginous fish of the rhombic family of rays of the order of stingrays. They live in the central-western part of the Atlantic Ocean . They are found at a depth of up to 476 m. Their large, flattened pectoral fins form a rhombic disk with an elongated and pointed snout. The maximum recorded length is 107 cm. Eggs are laid. They are not the target fishing target [1] [2] [3] .

Dipturus garricki
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:Stingrays
Family:Rhombus ramps
Gender:Dipturus
View:Dipturus garricki
International scientific name

Dipturus garricki ( Bigelow & Schroeder , 1958)

Synonyms
  • Raja garricki Bigelow and Schroeder, 1962
Security status
Status none DD.svg en:Data Deficient
Not enough data
IUCN Data Deficient : 161565

Taxonomy

The species was first scientifically described in 1958 as Raja garricki [4] . The species is named after A.F. Garrick, who made a great contribution to the study of plate-branchial New Zealand .

Range

These bathydemersal ramps live in the northern Gulf of Mexico off the coast of the United States ( Florida , Texas , Louisiana , Mississippi ) and Nicaragua . They are found along the upper part of the continental slope at a depth of 275 to 476 m [2] .

Description

The wide and flat pectoral fins of these rays form a rhombic disk with a rounded snout and rounded edges. On the ventral side of the disc are 5 gill slits, nostrils and mouth. On the long tail there are lateral folds. These skates have 2 reduced dorsal fins and a reduced caudal fin [1] . The dorsal surface of the disc is even brown, the ventral surface is pale, bluish. The area on the snout where the ampullar pores are concentrated is darker. On the dorsal surface from the occipital region to the first dorsal fin lies the middle row of spines. The maximum recorded length is 107 cm [5] .

Biology

Like other rhombic, these stingrays lay eggs enclosed in a rigid horn capsule with protrusions at the ends. Embryos feed exclusively on yolk [3] . Males reach puberty with a length of about 96 cm [2] .

Human Interaction

These skates are not subject to targeted fishing. Potentially by- catch . For the assessment by the International Union for Conservation of Nature of the conservation status of a data type, it is insufficient [2] .

Notes

  1. ↑ 1 2 Froese, Rainer, and Daniel Pauly, eds. Family Rajidae - Skates (Neopr.) . FishBase
  2. ↑ 1 2 3 4 Dipturus garricki (English) . The IUCN Red List of Threatened Species .
  3. ↑ 1 2 Dipturus garricki (English) in the FishBase database.
  4. ↑ Bigelow HB and Schroeder WC Four new rajids from the Gulf of Mexico // Bulletin of the Museum of Comparative Zoology at Harvard College. - 1958. - Vol. 119, No. (2) . - P. 201β€”234.
  5. ↑ The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras (neopr.) . FAO Fisheries Department. Date of appeal April 14, 2016.

Links

  • Species Dipturus garricki (English) in the World Register of Marine Species .
Source - https://ru.wikipedia.org/w/index.php?title=Dipturus_garricki&oldid=99701553


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