Engystomops pustulatus

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Engystomops pustulatus
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Leptodactylidae
Genus: Engystomops
Species:
E. pustulatus
Binomial name
Engystomops pustulatus
(Shreve, 1941)
Synonyms [2]

Edalorhina pustulataShreve, 1941
Physalaemus pustulatus(Shreve, 1941)

Contents

Engystomops pustulatus (common name: Guayaquil dwarf frog) is a species of frog in the family Leptodactylidae. [2] It is known with certainty from western Ecuador, [1] whereas the status of Peruvian records is ambiguous as they may refer to an undescribed species or possibly Engystomops puyango . [3] [4] Nevertheless, given that E. pustulatus is now known from Huaquillas in southern Ecuador, near the Peruvian border, it is likely to be found in Peru too. [5]

Description

Adult males measure 25–30 mm (1.0–1.2 in) and adult females 25–36 mm (1.0–1.4 in) in snout–vent length. The snout is rounded. The tympanum is visible and round. Maxillary and premaxillary teeth are present. The fingers have no webbing nor expanded discs. The dorsum is strongly tubercular, with enlarged and somewhat elongated tubercles forming a "ʌ" pattern in the scapular region. The belly is smooth. There is an elongated row of glands on the flank. [5]

Habitat and ecology

Engystomops pustulatus inhabits scrub savanna, Pacific tropical forests, and equatorial dry forests at elevations up to 530 m (1,740 ft) above sea level. It can also be found in human-modified habitats. It is an explosive breeder that lays the eggs in foam nests in temporary pools. [1] Juveniles feed primarily on small food items such as termites and ants. Adults prey upon larger items, such as snails, coleopterans, and isopods. [6]

Conservation

Engystomops pustulatus can be abundant during reproductive events. Though an adaptable species, it is potentially threatened by habitat loss. It is present in the Machalilla National Park. [1]

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<i>Engystomops petersi</i> Species of amphibian

Engystomops petersi is a species of frog in the family Leptodactylidae. It is found in Amazonian Colombia, Ecuador, and Peru. It is morphologically similar to its sibling species, Engystomops freibergi, and for a period the latter was considered to be a junior synonym of Engystomops petersi. There are records from the Guianas that have not yet been allocated to either species. Divergence of these two species seems to have been driven by behavioural isolation related to male call characteristics more than geographic isolation.

Engystomops randi is a species of frog in the family Leptodactylidae. It is endemic to western Ecuador. It inhabits lowland deciduous and semi-deciduous forest and evergreen Costa forest. It also inhabits open man-made habitats, such as pastures, near buildings, and agricultural lands. Breeding takes place in small pools during the rainy season. The species makes a floating foam nest.

<i>Leptodactylus discodactylus</i> Species of frog

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<i>Engystomops</i> Genus of amphibians

Engystomops is a genus of frogs in the family Leptodactylidae. They are known commonly as foam frogs or túngara frogs, though the latter name most commonly refers to Engystomops pustulosus. They are native to the Americas from southern Mexico south to the Amazon Basin.

<i>Lynchius megacephalus</i> Species of frog

Lynchius megacephalus, also known as big-headed Andes frog, is a species of frog in the family Craugastoridae. It is endemic to Ecuador and only known from its type locality, Ecological Conservation Area Tinajillas-Río Gualaceño in the Morona-Santiago Province. The specific name megacephalus refers to the relatively large head of this frog.

References

  1. 1 2 3 4 IUCN SSC Amphibian Specialist Group (2018). "Engystomops pustulatus". IUCN Red List of Threatened Species . 2018: e.T57271A98655160. doi: 10.2305/IUCN.UK.2018-2.RLTS.T57271A98655160.en . Retrieved 17 November 2021.
  2. 1 2 Frost, Darrel R. (2017). "Engystomops pustulatus (Shreve, 1941)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 15 January 2018.
  3. ↑ Ron, Santiago R.; Santos, Juan C. & Cannatella, David C. (2006). "Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)". Molecular Phylogenetics and Evolution. 39 (2): 392–403. doi:10.1016/j.ympev.2005.11.022. PMID   16446105.
  4. ↑ Ron, Santiago R.; Toral, Eduardo; Rivera, Myrian & Terán-Valdez, Andrea (2010). "A new species of Engystomops (Anura: Leiuperidae) from southwestern Ecuador". Zootaxa. 2606 (1): 25–49. doi:10.11646/zootaxa.2606.1.2.
  5. 1 2 Ron, S. R.; Read, M. & Pazmiño-Armijos, G. (2016). Ron, S. R.; Yanez-Muñoz, M. H.; Merino-Viteri, A. & Ortiz, D. A. (eds.). "Engystomops pustulatus". AmphibiaWebEcuador. Version 2018.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 15 January 2018.
  6. ↑ Narváez, Andrea E. & Ron, Santiago R. (2013). "Feeding habits of Engystomops pustulatus (Anura: Leptodactylidae) in Western Ecuador". South American Journal of Herpetology. 8 (3): 161–167. doi:10.2994/sajh-d-13-00012.1. S2CID   86350285.
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