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Pristimantis ridens; Rio San Juan Robber Frog   

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Pristimantis ridens
Pristimantis ridens
Rio San Juan Robber Frog
Photographer: Andrew J. Crawford
Collection: AmphibiaWeb

ID: 1111 1111 1111 1290 (2002-12-16)

Copyright © Andrew J. Crawford

  • date of photo  Mar 13, 2002
  • this photo depicts an animal that was captive or collected
  • photo location   Museo de Zoología, UCR, San Pedro, Costa Rica
  • animal's place of origin   Estación Biológica Alberto Manuel Brenes, Reserva Forestal San Ramón (Canton San Ramón, Provincia de Alejuela, Costa Rica)
  • family Strabomantidae
  • order Anura
  • class Amphibia
  • notes   Female, SVL = 24 mm. This photo illustrates the expanded finger & toe tips as well as the lack of toe webs, characteristic of 'cruentus group' species. This individual has the red-orange coloration on the anterior of the thigh and enlarged supraocular tubercle/s diagnostic of E. ridens. However, this frog is unusual for an E. ridens in that the posterior thighs were a light brown color, and it has a small but obvious heel tubercle. Elevation = 960m.
  • camera   Canon ESO Rebel with Sigma 105mm macro
  • contributor's ID #  AJC 0459, UCR 16449
  • photo category: Animal - Amphibian

  • common names   Rio San Juan Robber Frog (ASW )
  • View AmphibiaWeb record for Pristimantis ridens
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  • The photographer's identification Pristimantis ridens has not been reviewed. Click here to review or comment on the identification.

    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © Andrew J. Crawford. For other uses, or if you have questions, contact Andrew J. Crawford (Remove "_NO_SPAM" from this email address before sending an email.)


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