| Red List Category & Criteria: |
Critically Endangered
B1ab(i,iii,v)
ver 3.1
|
| Year Assessed: |
2004 |
| Assessor/s: |
Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop, Mantasoa, Madagascar 2001 |
| Reviewer/s: |
Stiassny, M.L.J., Sparks, J.S. (AMNH, New York) & Darwall, W (Freshwater Biodiversity Assessment Programme) |
Justification:
This species is known from the Betispoka and Mahajamba river basins on the western slopes of Madagascar. It has experienced a rapid decline in range and population size in the last decade due to severe fishing pressure, impact of introduced alien species, and habitat destruction. With its estimated extent of occurrence of less than 100 km², a severely fragmented habitat, and a continued decline/loss of habitat and mature individuals, this species is assessed as Critically Endangered.
|
| History: |
| 1996 |
– |
Critically Endangered
|
| 1994 |
– |
Insufficiently Known
(Groombridge 1994)
|
|
Decreasing
