Presence of the invasive nile tilapia Oreochromis niloticus linnaeus, 1758 (Perciformes, cichlidae) in the Yamdena Island, Indonesia

Liga Insani, Veryl Hasan, Fitri Sil Valen, Fajar Surya Pratama, Maheno Sri Widodo, Abdul Rahem Faqih, R. Adharyan Islamy, Akhmad Taufiq Mukti, Wahyu Isroni

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Nile Tilapia Oreochromis niloticus is native fish to North Africa, with introductions reported from many regions in the worldwide. In Indonesia, O. niloticus was reported in the several conservation islands. On 11-29 June 2019 specimens of O. niloticus were captured from temporary swamp and estuary in Yamdena Island, Indonesia. These records are among first of this species from a remote island in the Eastern Indonesia Archipelago. In many cases, introduced of non-native fish would cause a negative impact on the aquatic fauna by predation of larvae and eggs of native fish, so that the presence of the O. niloticus is a danger alert. The specimens of O. niloticus were characterized as follows dorsal spin rays 15, dorsal soft rays 10, pectoral fin rays 11, pelvic spin rays 1, pelvic soft rays 5, anal spin rays 8, anal soft rays 10. Other description of spesific morphological characters of a specimen are provided.

Original languageEnglish
Pages (from-to)1115-1118
Number of pages4
JournalEcology, Environment and Conservation
Volume26
Issue number3
Publication statusPublished - 2020

Keywords

  • Freshwaters
  • Invasive
  • Non-native fish

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