Structure community of mudskipper at Coast of Bahak Indah, Tongas, Probolinggo – East Java

Mangrove forest is one of the ecosystems in coastal area that plays an important role as a habitat for iktiofauna, which gelodok fish community. The purpose this study was to compare community structure mudskippers at Bahak Indah Coast, Tongas, Probolinggo with or without mangrove vegetation. conducted January–February 2022. determination observation station carried out purposively, determined based on presence absence Observation mudskipper used systematic sampling method help transects and plots. analyzed data included diversity index, uniformity index dominance index. results found 4 species from 2 genera namely Boleophthalmus pectinirostris, boddarti, Periophthalmus chrysospilos Periophthalmodon schlosseri. Mudskipper both stations medium category, higher high vegetation, low lower indicate waters vegetation contributes compared areas