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Dasyatis longa (Garman, 1880)
LONGTAIL STINGRAYLDASYATIS LONGUS
Longtail Stingray

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Dasyatis longa
© Copyright Ross Robertson, 2006 · 12
Dasyatis longa

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Dasyatis longa
© Copyright Ross Robertson, 2006 · 12
Dasyatis longa
Dasyatis longa
© Copyright Photographer/SFTEP, 2002 · 0
Dasyatis longa

Dasyatis longa
© Copyright Photographer/SFTEP, 2002 · 0
Dasyatis longa
español

Overview
Main identification features
  • thorns blunt, 1 row on back
  • tail = 2x disc
  • tail: fold below
Disc oval, broader than long; front-side margins of disc nearly straight; snout bluntly angular, but not protruding; tail very long and slender, more than twice length of disc; tail fin absent, but fin fold present along underside of middle of tail; a central row of blunt thorns extending from head to shoulder girdle, two additional thorns much farther back and 1-2 thorns on each shoulder, skin otherwise smooth.

Generally dark brown to nearly blackish without distinctive marks.

Size: attains a total length of at least 257 cm (disc width 117 cm).

Inhabits sand-mud bottoms, common in estuaries.

Depth: to at least 100 m.

Southern Baja and the SW and central eastern Gulf of California to Ecuador, the Revillagigedos, Galapagos and Malpelo.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 100 m.
Depth Range Min: 0 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic worms; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=28; Southern limit=-3; Western limit=-115; Eastern limit=-78; Latitudinal range=31; Longitudinal range=37.
Egg Type: Live birth; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Reef associated (reef + edges-water column & soft bottom).
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 257 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;


Links to other sites

References
  • Acero, A. and Franke, R., 2001., Peces del parque nacional natural Gorgona. En: Barrios, L. M. y M. Lopéz-Victoria (Eds.). Gorgona marina: Contribución al conocimiento de una isla única., INVEMAR, Serie Publicaciones Especiales No. 7:123-131.
  • Allen , G.R. and Robertson, D.R., 1994., Fishes of the Tropical Eastern Pacific., Crawford House Press Pty Ltd:1-332.
  • Balart , E. F. , Castro-Aguirre , J. L. , Aurioles-Gamboa , D. , García-Rodriguez , F. and Villavicencio-Garayzar, C., 1995., Adiciones a la ictiofauna de Bahía de la Paz, Baja California Sur, México., Hidrobiologica, 5:79-85.
  • Beebe , W. and Tee-Van, J., 1941., Eastern Pacific expeditions of the New York Zoological Society. XXVIII. Fishes from the tropical eastern Pacific. (From Cedros Island, Lower California, South to the Galápagos Islands and northern Peru.) Part 3. Rays, mantas and chimaeras., Zoologica, 26(3):245-280.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Castri-Aguirre, J.L., Espinoza-Pérez, H. and Schmitter-Soto, J.J., 2002., Lista sitemática, biogeográfica y ecológica de la ictiofauna estuarino lagunar y vicaria de México. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:117-142.
  • Castro-Aguirre , J. L. and Balart, E. F., 1997., Contribución al conocimiento de la ictiofauna de fondos blandos y someros de la Ensenada de La Paz y Bahía de La Paz, B.C.S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:139-150.
  • Castro-Aguirre, J.L., 1999., Ictiofauna estuarino-lagunar y vicaria de México., Editorial Limusa S.A. de C.V.: 1-629pp.
  • Compagno, L.J.V., 1999., Checklist of living elasmobranchs. In Hamlett W.C. (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes., The John Hopkins University Press:471-498.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.
  • Garman, S., 1880., New species of Selachians in the museum collection., Bull. Mus. Comp. Zool., Harvard, 6:167-172.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Jordan , D.S. and Evermann, B.W., 1896., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I., Bull. U.S. Nat. Mus., 47:1-1240.
  • Jordan, D.S., 1895., The fishes of Sinaloa., Proceedings of the California Academy of Sciences (Series 2), 5:377-514.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Meek , S.E. and Hildebrand, S.F., 1923., The marine fishes of Panama. Part I., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:1-330.
  • Rubio , R. E. A. and Estupiñan, F., 1990., Ictiofauna del Parque Nacional Natural Sanquianga, un Analisis de su Estructura y Perspectivas para su Manejo., Memorias del VII Seminario Nacional de las Ciencias y Tecnologías del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :660-670.
  • Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
  • Snodgrass , R. E. and Heller, E., 1905., Papers from the Hopkins Stanford Galapagos expedition, 1898-1899. XVII. Shorefishes of the Revillagigedo, Clipperton, Cocos and Galapagos Island., Proc. Wash. Acad. Sci., 6:333-427.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
  • Vega, A.J., Villareal, N., 2003., Peces asociados a arrecifes y manglares en el Parque Nacional Coiba., Tecnociencia, 5:65-76.
  • Villareal-Cavazos, A., Reyes-Bonilla, H., Bermúdez-Almada, B. and Arizpe-Covarrubias, O., 2000., Los peces del arrecife de Cabo Pulmo, Golfo de California, México: Lista sistemática y aspectos de abundancia y biogeografía., Rev. Biol. Trop., 48:413-424.
  • Walker, B. W. and Baldwin, W. J., 1964., Provisional check list of fishes of the Revillagigedo islands., 18 pp.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Hypanus longus, Longtail stingray : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Hypanus longus ( Garman , 1880 )

Longtail stingray Add your observation in Fish Watcher
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This map was computer-generated and has not yet been reviewed.
Hypanus longus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Hypanus longus (Longtail stingray) Hypanus longus
Picture by Robertson, R.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Dasyatinae
Etymology: More on author: Garman .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated. Tropical; 26°N - 3°S, 113°W - 76°W (Ref. 114953 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacfic: Baja California (Mexico) to Ecuador; including the Galapagos Is.

Length at first maturity / Size / Weight / Age

Maturity: L m 110.0   range ? - ? cm
Max length : 260 cm TL male/unsexed; (Ref. 9254 )

Biology     Glossary (e.g. epibenthic)

Inhabit rocky and coral reefs (Ref. 12951 ); on soft and sandy bottoms. Feeds mainly on mantis shrimps and fishes (Ref. 114953 ). Ovoviviparous (Ref. 50449 ). Litters of 1-5 pups; gestation period 10-11 months (Ref. 114953 ); Caught rarely by the gillnet fisheries operating in shelf waters. Utilized for its meat (Ref.58048).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449 ). Distinct pairing with embrace (Ref. 205 ). Brood consists of 1-3 neonates and grow to about 40 cm DW in spring-summer (Ref. 38396 ).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

Compagno, L.J.V. , 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766 )

IUCN Red List Status (Ref. 130435 )

  Vulnerable (VU)  (A2d); Date assessed: 08 February 2019

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Venomous (Ref. 9254 )





Human uses

Fisheries: minor commercial FAO - Fisheries: landings ; Publication: search | FishSource | Sea Around Us

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Fisheries: landings ; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 23.1 - 28.5, mean 27 °C (based on 40 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.5   ±0.37 se; based on food items. Resilience (Ref. 120179 ):  Very Low, minimum population doubling time more than 14 years (Fec=1-3). Fishing Vulnerability (Ref. 59153 ):  Very high vulnerability (90 of 100). Price category (Ref. 80766 ):   Low . Nutrients (Ref. 124155 ):  Calcium = 4.25 [0.50, 62.97] mg/100g; Iron = 0.352 [0.028, 3.714] mg/100g; Protein = 22.4 [20.0, 24.7] %; Omega3 = 0.0681 [, ] g/100g; Selenium = 41.8 [8.1, 218.8] μg/100g; VitaminA = 14.9 [1.2, 155.3] μg/100g; Zinc = 0.592 [0.036, 6.796] mg/100g (wet weight);

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