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Sympterygia brevicaudata (Cope, 1877)
SHORTTAIL FANSKATE
Sympterygia brevicaudatus

Life   Vertebrata   Fish   Rajidae   Sympterygia

Sympterygia brevicaudata
© Copyright Photographer/SFTEP, 2002 · 0
Sympterygia brevicaudata

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Sympterygia brevicaudata
© Copyright Photographer/SFTEP, 2002 · 0
Sympterygia brevicaudata
espa˝ol

Overview
Main identification features
  • snout short, broad
  • tail : narrow, 1 row spines, last spine between ds
  • mottled dark and light
  • pelvic: rear border concave
Disc relatively broad; snout broadly angular (120-142 degrees), short (10-14% of total length); between eyes wide and concave; rear margin of expanded pelvic fin distinctly concave; tail base relatively narrow (less than width between eyes); dorsal fins separate; 1-2 spines on ridge before eye, 1-7 on ridge behind eye; 0-6 thorns on mid-nape, 0-8 on middle of back; row of thorns along top of tail, last one between the 2 dorsal fins; male with a pair of long claspers that having swellings before tips.

Upper surface grey to brown with indistinct light or dark blotches and spots scattered over center or entire disc, sometimes bars across tail; a pale area of varying size at midfront of snout; lower surface pale, with rear of disc abruptly dusky.

Size: to 48 cm.

Habitat: on soft bottoms.

Depth: 10-100 m.

Ecuador to Chile.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 100 m.
Depth Range Min: 10 m.
Diet: mobile benthic gastropods/bivalves; mobile benthic crustacea (shrimps/crabs); mobile benthic worms.
Eastern Pacific Range: Northern limit=-3; Southern limit=-28; Western limit=-82; Eastern limit=-71; Latitudinal range=25; Longitudinal range=11.
Egg Type: Benthic; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: TEP non-endemic; East Pacific endemic; All species.
Habitat: Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 48 cm.
Regional Endemism: Continent only; Continent; Temperate Eastern Pacific, primarily; Tropical Eastern Pacific (TEP) non-endemic; Peruvian province, primarily; All species.
Residency: Vagrant.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • BÚarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Cope, E. D., 1877., Synopsis of the cold blooded vertebrata, procured by Prof. James Orton during his exploration of Peru in 1876-77., Proc. Amer. Phil. Soc., 17:33-49.
  • Hildebrand, S.F., 1946., A descriptive catalog of the shore fishes of Peru., Bull. U.S. Nat. Mus., 189:1-530.
  • Jimenez-Prado, P., BÚarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.

Acknowledgements

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


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Sympterygia brevicaudata (Cope , 1877)

Shorttail fanskate Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Sympterygia brevicaudata   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Sympterygia brevicaudata (Shorttail fanskate) Sympterygia brevicaudata
Picture by Carvalho Filho, A.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Skates)
Etymology: Sympterygia: Greek, syn, symphysis = grown together + Greek, pteryx = fin (Ref. 45335 ) .

Issue
Four nominal species of Psammobatis ( asper, caudispina, chilcae, maculatus ), all from Hildebrand, 1946, are considered valid in Eschmeyer (CofF ver. May 2011: Ref. 86870 ) following Chirichigno & V├ęlez (1998), but J. McEachran confirmed their synonym status of Sympterygia brevicaudata (Cope, 1877) (pers. comm., 11/2003).

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

Marine; demersal; depth range ? - 18 m (Ref. 58018 ).   Subtropical; 3°S - 37°S

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

Southeast Pacific: Ecuador to central Chile. Two specimens have been recorded from Uruguay but these may be in error.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 38.0 cm TL male/unsexed; (Ref. )

Biology     Glossary (e.g. epibenthic)

Oviparous (Ref. 50449 ). Eggs have horn-like projections on the shell (Ref. 205 ). Max. length (Johnny Labbe, pers. comm., 2000).

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449 ).

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

McEachran, J.D. and K.A. Dunn , 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314 )

IUCN Red List Status (Ref. 119314 )

  Data deficient (DD)  ; Date assessed: 30 April 2004

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 15.3 - 21, mean 19.5 (based on 100 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00513 (0.00257 - 0.01023), b=3.12 (2.95 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.7   ±0.7 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Vulnerability (Ref. 59153 ):  Moderate vulnerability (41 of 100) .

Entered by Garilao, Cristina V. Modified by Bailly, Nicolas Fish Forum
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