Fish diversity of the Bengawan Solo River estuary, East Java, Indonesia

Veryl Hasan, Nantasa E. Andraini, Wahyu Isroni, Luthfiana A. Sari, Ayu L. Nafisyah, Nina N. Dewi, Dian N.A. Putri, Tyas A.B. Prasasti, Achmadi A. Ramadhani, Kiki Daniel, Josie South, Lucas O. Vieira, Felipe P. Ottoni, Maftuch, Abdul R. Faqih, Pandu Y.A.P. Wirabuana, Muhammad B. Tamam, Fitri S. Valen

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Bengawan Solo River is the longest river in Java which flows from Mount Lawu and empties into the North Coast of Java. The watershed is a hot spot for fish species diversity, especially in the estuary area. The purpose of this study was to initiate an inventory of fish species, their abundance, and biodiversity assessment based on the Shannon diversity index (H'), evenness index (E), and dominance index (C) in one of the Bengawan Solo River estuary, namely Brondong Sub-district, Lamongan District, East Java, Indonesia. The research was conducted from September to November 2022 at three stations with different ecological types and environmental conditions. Fish sampling was carried out using a gill net attached to a boat. In this study, 44 fish species from 22 families were identified. The highest abundance of fish was obtained from the Ariidae family, namely the Spotted sea catfish Arius maculatus (Thunberg, 1792) and Sagor catfish Hexanematichthys sagor (Hamilton, 1822). The fish diversity index obtained was 1.2-3.01, the uniformity index obtained was 0.7-0.92, and the dominance index obtained was 0.07-0.33. The H', E, and C at Station 2 have higher values than the other stations. The diversity expressed in H' values at the three research stations indicates that the mangrove in the Bengawan Solo River estuary area has a high diversity of fish species.

Original languageEnglish
Pages (from-to)2207-2216
Number of pages10
Issue number4
Publication statusPublished - 2023


  • Aquatic environment
  • brackish water
  • fisheries
  • life below water


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