AmphibiaWeb - Sarcohyla mykter


(Translations may not be accurate.)

Sarcohyla mykter (Adler & Dennis, 1972)
family: Hylidae
subfamily: Hylinae
genus: Sarcohyla
Conservation Status (definitions)
IUCN Red List Status Account Endangered (EN)
National Status None
Regional Status None


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Hyla mykter is a medium sized (max SVL of 40.1 mm in males, 50.9 mm in females) member of the Hyla bistincta species group with long fingers with vestigial webbing (outermost fingers are one-fifth webbed). The dorsum of the head and body is a yellowish-green while the limbs are a pale yellowish brown. Entire dorsum covered with black reticulations and spots. The canthus and supratympanic fold are black edged; tympanum is brownish-green. Iris is golden orange with black reticulations. Ventrally, H. mykter is a mottled dusky brown, grading toward a deep purplish gray or chocolate brown around the edges of the body but also with some brassy pigment. This species has a truncate snout with a slight rostral kep. Head is broad and moderately flat. Supratympanic fold is very obvious, extending from posterior border of eye to above arm insertion; covers upper edge of tympanum (which has a diameter of 2.1 mm). Fingers are long and have relative lengths of 1<4<2<3, toes have relative lengths of 1<2<5<3<4. The cloacal sheath is moderately long, grooved medially, and directed posteroventrally; opening just below the midlevel of the thighs. Dorsum and undersurfaces of arms, chest, and lower legs are smooth; throat, abdomen, and undersurfaces of thighs are granular. There are 4-5 prevomerine teeth present (Adler and Dennis 1972).

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Mexico

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All specimens have been found in cool, moist, oak-pine or (at lower elevations) in bamboo-tree fern cloud forests near Cerro Teotepec between 1985-2520 m elevation (which were collected in December). The holotype was found fully exposed on vegetation directly over a stream at night.

Life History, Abundance, Activity, and Special Behaviors
Males lack vocal slicks.


Adler, K., and Dennis. D.M. (1972). ''New tree frogs of the genus Hyla from the cloud forests of western guerrero, Mexico.'' Occasional Papers of the Museum of Natural History, the University of Kansas, 7, 1-19.

Originally submitted by: Raul E. Diaz (first posted 2004-06-04)
Edited by: Tate Tunstall (2004-08-18)

Species Account Citation: AmphibiaWeb 2004 Sarcohyla mykter <> University of California, Berkeley, CA, USA. Accessed May 25, 2024.

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Citation: AmphibiaWeb. 2024. <> University of California, Berkeley, CA, USA. Accessed 25 May 2024.

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