Peixes recifais brasileiros: diversidade e endemismo

Leveis of diversity and endemism of the ichthyofauna that inhabits Brazilian shallow reefs are established. Related ecological and historical factors are presented and discussed. Diversity is estimated based on a criticai review of recent contributions to the taxonomy of Brazilian reef fishes. These contributions are typified by a case study dealing with the revision of the Brazilian species of the genus Paraclinus (Teleostei, Blennioidei, Labrisomidae). This study indicated that actual leveis of diversity (three species of Paraclinus) as well as endemism within Brazilian waters (100 %) are higher than previously sustained. lnformation presented in this as well as in similar studies revealed levels of diversity and endemism in Brazilian reef fishes higher than previously described. From this standpoint, two analyses about distinct aspects of the biogeography of this fauna were conducted. Among historical phenomena that forged these zones of endemism, aside from sealevel changes that took place during Pleistocenic glacial cycles, are changes in thermo-halíne circulation patterns (THC) that occurred during the sarne period.

Grantor dc:publisher

Universidade Federal do Rio de Janeiro

Year dc:date.issued

2002

Author dc:creator

• Guimarães, Ricardo Zaluar Passos

Advisor dc:contributor.advisor

• Nunan, Gustavo Wilson Alves

• Biodiversidade
• Recifes e ilhas de coral
• Peixes

Statement dc:rights

• Acesso Aberto

Language dc:language

por

Handle dc:identifier.uri

http://hdl.handle.net/11422/3461

OAI identifier oai:identifier

oai:pantheon.ufrj.br:11422/3461