Overview

Comprehensive Description

Description

Males 46-54 mm, females 46-55 mm. The skin is smooth in males and granular in females. The dorsal surface usually has irregular brown and black patches, but some individuals are almost uniform reddish or dark brown. There may be a light mid-dorsal line. The head is triangular, and the snout pointed. A line of tubercles extends from behind the eye along the side to the base of the legs. The belly is gray to brown.

Juveniles are similar to Dendrophryniscus minutus in general form, but the ventral surface of D. minutus is black at the front, and spotted black and white on the hind part.

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Distribution

Range Description

This species occurs along the main trunk of the Amazon River from Manaus to eastern Ecuador, including Colombia and Peru. Although Frost (2002) records this species as spanning from the "Amazon river region from Ecuador to Manaus, Brazil", there have been no specific localities provided for eastern Ecuador.
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Distribution and Habitat

Occurs throughout the Reserva Florestal Adolpho Ducke in Brazil.

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It lives in old growth and old second growth Tropical rainforest (See discussion by Hoogmoed, 1986). It reproduces explosively in small temporary pools.

Systems
  • Terrestrial
  • Freshwater
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Rhinella proboscidea

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2004

Assessor/s
Luis A. Coloma, Santiago Ron, Claude Gascon, Marinus Hoogmoed

Reviewer/s
Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)

Contributor/s

Justification
Listed as Least Concern in view of its wide distribution, tolerance of a degree of habitat modification, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.
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Population

Population
It is very common.

Population Trend
Stable
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Life History, Abundance, Activity, and Special Behaviors

The species is terrestrial and diurnal. In the Reserva Florestal Adolpho Ducke, the diet consists mainly of mites, ants, spiders, beetles and crickets. Reproduction occurs mainly between March and May. Breeding groups form for 2-3 days in pools or seeps near the headwaters of streams. Males call during the day and night, and more than 100 females can be found in one day at a single breeding site. Breeding groups form at different sites throughout the season, but it is not known whether individuals breed at different sites during a single breeding season. Clutches contain about 450 eggs.

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Threats

Major Threats
Habitat destruction and degradation are threats to this species.
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Management

Conservation Actions

Conservation Actions
It occurs in protected areas.
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Wikipedia

Bufo proboscideus

Bufo proboscideus is a South American species of toad in the Bufonidae family. It is found in Brazil, Colombia, Ecuador, and Peru. Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss.

References

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