Adrianichthys kruyti Weber, 1913

Duck-billed buntingi, Duck-bill poso minnow



Taxonomy & Nomenclature

Synonym/s: Adrianichthys kruytii Weber, 1913


Conservation Status


Last record: September 1983

IUCN RedList status: Critically Endangered (Possibly Extinct)


A late 1980's or early 1990's extinction date is most likely, but it may have gone extinct as early as late 1983.



Lake Poso, central Sulawesi, Indonesia


Biology & Ecology




Holotype: ZMA 100.643


Other specimens:

CMK 5776

ZMH 22572



Above: published in Weber & Beaufort (1922). Source: Wikimedia Commons.



Original scientific description:

Weber, M. (1913). Neue Beiträge zur Kenntnis der Süsswasserfische von Celebes. Ergebnisse einer Reise von E.C. Abendanon in Celebes. Bijdr Dierk 19: 197-213.


Other references:

Kottelat, M. (1990). Synopsis of the endangered buntingi (Osteichthyes: Adrianichthyidae and Oryziidae) of Lake Poso, Central Sulawesi, Indonesia, with a new reproductive guild and descriptions of three new species. Ichthyological Exploration of Freshwaters 1: 49-67.

Kottelat, M. (1996). Adrianichthys kruyti. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. ( Downloaded on 26 July 2012.

Larson, Helen K. et al. (2014). Mugilogobius hitam, a new species of freshwater goby (Teleostei: Gobioidei: Gobiidae) from Lake Towuti, central Sulawesi, Indonesia. Raffles Bulletin of Zoology 62: 718-725.

Miesen, Friedrich Wilhelm, Droppelmann, Fabian, Hüllen, Sebastian, Hadiaty, Renny Kurnia and Herder, Fabian. (2016). An annotated checklist of the inland fishes of Sulawesi. Bonn Zoological Bulletin 64(2): 77-106.

Mokodongan, D.F. 2019. Adrianichthys kruyti. The IUCN Red List of Threatened Species 2019: e.T523A90980485. Accessed on 09 July 2022.

Parenti, Lynne R. (2008). A phylogenetic analysis and taxonomic revision of ricefishes, Oryzias and relatives (Beloniformes, Adrianichthyidae). Zoological Journal of the Linnean Society 154: 494-610, 58 figs.

Soeroto, B. and Tungka, F. (1991). Fish fauna, fisheries and Adrianichthyoidei in Lake Poso, pp. 12-14. In: Phylogeny and species differentiation of Adrianichthyoidei in Indonesia. Study Report. Monbusho International Scientific Research Program.

Soeroto, B. and Tungka, F. (1996). The inland fishes and the distribution of Adrianichthyoidea of Sulawesi Island, with special comments on the endangered species in Lake Poso, pp. 1-5. In: Kichener DJ, Suyanto A, eds. Proceedings of the first international conference on eastern Indonesian–Australian vertebrate fauna, Manado, Indonesia, November 22–26, 1994. Perth: Western Australian Museum for Lembaga Ilmu Pengetahuan Indonesia.

Weber, Max and de Beaufort, L. F. (1922). The fishes of the Indo-Australian Archipelago 4. Leiden, E. J. Brill ltd.

Whitten, Anthony J., Bishop, K. David, Nash, Stephen V. and Clayton, Lynn. (1987). One or More Extinctions from Sulawesi, Indonesia? Conservation Biology 1(1): 42-48. [Abstract]


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