Melanophryniscus dorsalis 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Bufonidae

Scientific Name: Melanophryniscus dorsalis
Species Authority: (Mertens, 1933)
Melanophryniscus stelzneri Gallardo, 1961 subspecies dorsalis

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Paulo Garcia
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Vulnerable, because its Extent of Occurrence is less than 20,000 km2 and its Area of Occupancy is less than 2,000 km2, its distribution is severely fragmented, and there is a continuing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description:This species occurs along the coast of Brazil in Santa Catarina and Rio Grande de Sul states, from 0-20m asl.
Countries occurrence:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It was previously collected rather extensively, but there have only been a few recent collections and the species is believed to have undergone declines in recent years.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It occurs on sand dunes and nearby areas, and reproduces in temporary pools.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): The major threat to this species is habitat loss and degradation due to the conversion of habitat for beaches, urbanization, and off-road recreational vehicle use.

Conservation Actions [top]

Conservation Actions: It occurs in Guarita Municipal Park, but there is a need for improved protection of habitat at other sites at which this species is known to occur.

Classifications [top]

3. Shrubland -> 3.6. Shrubland - Subtropical/Tropical Moist
suitability: Suitable  
5. Wetlands (inland) -> 5.8. Wetlands (inland) - Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha)
suitability: Suitable  
1. Land/water protection -> 1.1. Site/area protection
2. Land/water management -> 2.1. Site/area management

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Conservation sites identified:Yes, over entire range
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
1. Residential & commercial development -> 1.1. Housing & urban areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Residential & commercial development -> 1.3. Tourism & recreation areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

6. Human intrusions & disturbance -> 6.1. Recreational activities
♦ timing: Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.2. Species disturbance

1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
1. Research -> 1.6. Actions
3. Monitoring -> 3.1. Population trends

Bibliography [top]

Garcia, P.C.A. and Vinciprova, G. 2003. Anfibios. In: Fontana, C., Benck, G. and Reis, R. (eds), Livro vermelho da fauna ameacada de extincao no Rio Grande do Sul, EdPUCRS, Porto Alegre, Brazil.

IUCN. 2004. 2004 IUCN Red List of Threatened Species. Downloaded on 23 November 2004.

Citation: Paulo Garcia. 2004. Melanophryniscus dorsalis. In: The IUCN Red List of Threatened Species 2004: e.T54820A11209178. . Downloaded on 01 December 2015.
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