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Hawaiian Biogeography and the Islands’ Freshwater Fish Fauna by R. M. McDowall is a Environmental Science article available to read on EtoBox.

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## Abstract **Aim** This paper describes known patterns in the distributions and relationships of Hawaiian freshwater fishes, and compares these patterns with those exhibited by Hawaii's terrestrial biota. **Location** The study is based in Hawaii, and seeks patterns across the tropical and subtropical Indo‐west Pacific. **Methods** The study is based primarily on literature analysis. **Results** The Hawaiian freshwater fish fauna comprises five species of goby in five different genera (Gobiidae). Four species are Hawaiian endemics, the fifth shared with islands in the western tropical Pacific Ocean. All genera are represented widely across the Indo‐west Pacific. All five species are present on all of the major Hawaiian islands. All five species are amphidromous – their larval and early juvenile life being spent in the sea. Although there has been some local phyletic evolution to produce Hawaiian endemics, there has been no local radiation to produce single‐island endemics across the archipelago. Nor is there evidence for genetic structuring among populations in the various islands. **Main conclusions** In this regard, the freshwater fish fauna of Hawaii differs from the well‐known

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Author

R. M. McDowall

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0305-0270)

Published

2003

Language

EN

Field

Environmental Science (Physical Sciences)