Inventory of Potential and Community Structure of Mudskipper at Coast of Bahak Indah, Probolinggo- East Java
Inventarisasi Komunitas Ikan Gelodok (Mudskipper) pada Habitat Berbeda di Pantai Bahak Indah, Probolinggo –Jawa Timur
Abstract
The coast of Bahak Indah is one of the beaches in Probolinggo Regency where many types of mudskipper are found, but until now, not much is known about the ecological studies related to the mudskipper community. This study aims to inventory the mudskipper community as scientific information for the purpose of habitat conservation. The research was conducted from January to February 2022. Purposive determination of observation stations was based on the presence or absence of mangrove vegetation. Observations at each station used a systematic sampling method with the help of line transects and plots. The data obtained were analyzed including length and weight of fish, species composition, abundance, frequency of presence and Important Value Index. The results of the study found four species of mudskipper, namely: Boleophthalmus pectinirostris, Boleophthalmus boddarti, Periophthalmus chrysospilos and Periophthalmodon schlosseri. All mudskipper populations in mangrove habitats have greater length and weight than coastal habitats without mangrove vegetation. The highest number, species composition, abundance, and frequency of presence of mudskipper species were found in the mangrove vegetated habitat. The highest Important Value Index (INP) was in habitats with mangrove vegetation, namely B. boddarti species with a value of 66.69%, while in coastal habitats without mangrove vegetation, P. chrysospilos species with a value of 73.62%. The results of this study indicate that mangrove vegetation has an important role as an ideal habitat for gelodok fish, so the existence of mangrove vegetation needs to be maintained through conservation and rehabilitation efforts.
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