Aquarist Atlas
Ricefish · Sulawesi ricefish · Adrianichthys

Adrianichthys roseni

Parenti & Soeroto, 2004

2 cited sourcesName checked against Eschmeyer’s Catalog of Fishes, update of

IUCNCRITICALLY ENDANGERED
CARESNOT LISTED
Type localityLake Poso, Sulawesi Tengah, Indonesiaper Catalog of Fishes
Scientific size3.5 in9 cm standard length
Depth—not recorded
DietNot documented for this species; ricefishes in general take small invertebrates and algae at or near the surface
BreedingNot documented for this species
Sexual dimorphismNot documentedNot documented for this species
PhotographsSee photosGoogle Images →

Adrianichthys roseni is the most recently described of the four Lake Poso buntingi, named by Parenti and Soeroto in 2004. FishBase gives a maximum of 3.5 in SL, and the IUCN lists it as Critically Endangered.

Taxonomy & naming

Parenti and Soeroto described the species in 2004 from Lake Poso. It is placed in Adrianichthys with the other large Poso buntingi, and its description followed Kottelat's 1990 revision of the lake's ricefishes.

Morphology

A large Adrianichthys with the upturned-jaw build of the genus. FishBase gives a maximum of 3.5 in SL.

Habitat

Endemic to Lake Poso, Sulawesi Tengah (Central Sulawesi), Indonesia. FishBase describes it as a freshwater fish that is probably pelagic.

Feeding

Diet has not been described for this species.

Mating

Courtship has not been described.

Breeding

Breeding has not been documented for this species.

In the aquarium

Not kept in aquaria.

Conservation

The IUCN Red List classes Adrianichthys roseni as Critically Endangered, meaning it faces an extremely high risk of extinction in the wild. It is confined to one lake, where introduced fishes, fishing and habitat change threaten the endemic fauna.

Common questions

Adrianichthys roseni: how big does it get?
Up to 3.5 in standard length (SL).
Adrianichthys roseni: where does it come from?
It is recorded from Indonesia.

Related species compared · Adrianichthys

SpeciesAdult sizeTemperaturepHHardnessIUCN
Adrianichthys rosenithis species3.5 in SL———CR
Adrianichthys oophorus3.5 in TL75–84 °FpH 7.5–8.5—LC
Duckbill buntingiAdrianichthys kruyti6.5 in TL72–77 °FpH 7.5–8.5—CR
Adrianichthys poptae6.5 in SL75–84 °FpH 7.5–8.5—EN

Recorded ranges from each species’ own page; hardness is the tolerance its sources give, not a measurement of the water it lives in.

Also from Lake Poso

Sources

  1. FishBase — Adrianichthys roseni Parenti & Soeroto, 2004
  2. Eschmeyer's Catalog of Fishes (California Academy of Sciences) — Adrianichthys roseni
  3. 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
  4. Parenti, L.R. (2008) A phylogenetic analysis and taxonomic revision of ricefishes, Oryzias and relatives (Beloniformes, Adrianichthyidae). Zoological Journal of the Linnean Society 154: 494-610

Naming authority: Adrianichthys roseni in Eschmeyer’s Catalog of Fishes ↗

Last reviewed 2026-10-05.

How to cite

Aquarist Atlas (2026). Adrianichthys roseni. Aquarist Atlas.https://www.aquaristatlas.com/ricefish/adrianichthys-roseni/

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