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Overview |
Main identification features
- row thorns - disc and tail
- top: bright, wiggly lines and spots
Disc slightly wider than long; disc, tail and top of tail fin uniformly covered with denticles that have star-shaped bases; a series of thorns on star-shaped bases along midline of disc and tail; underside smooth; tail length is ~85% of disc length; no sheath on top of tail for housing tail spine.
Top surface and tail fin covered with a bright pattern of coarse light brown and dark wriggly lines and eye-sized spots; lower surface pale with a reticulated pattern of pale spots on a dark background around the sides and rear of the disc, and pelvic fins.
Size: reaches at least 41 cm.
Habitat: lives on muddy bottoms.
Collected in <20 m depth.
Central Ecuador to northern Peru.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 20 m.
Depth Range Min: 1 m.
Diet: octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs); bony fishes; mobile benthic worms.
Eastern Pacific Range: Northern limit=-1; Southern limit=-7; Western limit=-82; Eastern limit=-81; Latitudinal range=6; Longitudinal range=1.
Egg Type: Live birth; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 41 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Non Marine.
Water Column Position: Bottom; Bottom only;
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Names |
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Links to other sites |
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References |
- Chirchigno , N. and McEachran, J. D., 1979., Urolophus tumbesensis, a new stingray from the coast of Peru (Batoidea: Urolophidae)., Copeia, 1979:709-713.
- 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.
- Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Urobatis&speciesname=tumbesensis ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Urobatis&speciesname=tumbesensis http://52.67.158.155/Summary/speciesSummary.php?genusname=Urobatis&speciesname=tumbesensis ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Urobatis&speciesname=tumbesensis https://fishbase.net.br/Summary/speciesSummary.php?genusname=Urobatis&speciesname=tumbesensis ---> https://fishbase.net.br/summary/Urobatis-tumbesensis.html
Urobatis tumbesensis, Tumbes round stingray
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Urobatis tumbesensis
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Béarez, P.
Elasmobranchii (sharks and rays) >
Myliobatiformes
(Stingrays) >
Urotrygonidae
(American round stingrays)
Etymology:
Urobatis:
Greek,oura = tail + Greek, batis, batidos = a ray (Raja sp.) (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; demersal. Tropical
Eastern Central Pacific: from northern Peru to Colombia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - 30 cm
Max length : 34.5 cm TL male/unsexed; (Ref.
111131
)
Occurs in coastal shallow water in estuaries, mangrove swamps and to at least 20 m depth (Ref.
114953
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
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)
(A2cd); Date assessed:
24 February 2020
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01698 (0.00803 - 0.03592), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (25 of 100).
Nutrients (Ref.
124155
): Calcium = 30.6 [4.4, 596.5] mg/100g; Iron = 0.775 [0.073, 9.059] mg/100g; Protein = 19.6 [14.3, 24.8] %; Omega3 = 0.148 [0.043, 0.469] g/100g; Selenium = 31.6 [5.9, 155.4] μg/100g; VitaminA = 16.7 [1.3, 176.0] μg/100g; Zinc = 1.35 [0.09, 15.70] mg/100g (wet weight);
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Updated: 2024-04-24 07:35:07 gmt
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