Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Beloniformes (Needle fishes) > Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335); eversi: Named for Hans-Georg Evers who discovered this endemic ricefi sh while travelling to explore fishes and habitats in Sulawesi..

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical; 22°C - ? (Ref. 91779)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Tana Toraja in Sulawesi, Indonesia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.6 cm SL male/unsexed; (Ref. 91779); 3.8 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 10-12; Anal soft rays: 17 - 18; Vertebrae: 30 - 32. Can be diagnosed from all other species belonging to Adrianichthyidae in Sulawesi by the following combination of characters: anal fin with 17-18 fin rays; dorsal fin with 10-12 rays; lateral midline with 33-36 scales; ½14 transverse scale rows at dorsal fin origin; total vertebrae 30-32; small eye size relative to head length (28.2-35.5% HL); absence of dark bluish or steel blue body coloration or brilliant red marks in both sexes; conspicuous blackish courtship coloration of males, including a blackish belly and posterior lateral body, presence of 6-9 blackish lateral bars, and presence of a narrow black line on a light brown background on dorsal surface; principal caudal fin with I,4/5,I rays; and a conspicuous pelvic brooding behavior associated with sexually dimorphic body depth and pelvic fi n length (Ref. 91779).

The type locality where the species occurs is a karst pond of 30-40 m length, up to 10 m width and approximately up to 4 m depth, with calm and crystal clear water, with single in- and outflow and surrounded by rain forest. The pond is used by local people as a natural swimming pool (Ref. 91779). A pelvic-brooder, in which females carry an egg cluster until hatching (Ref. 126777).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

A pelvic-brooder which carries clusters of eggs in a belly concavity until they hatch (Ref. 91779).

Main reference Upload your references | References | Coordinator : Seegers, Lothar | Collaborators

Herder, F., R.K. Hadiaty and A.W. Nolte, 2012. Pelvic-fin brooding in a new species of riverine ricefish (Atherinomorpha: Beloniformes: Adrianichthyidae) from Tana Toraja, Central Sulawesi, Indonesia. The Raffles Bulletin of Zoology 60(2):467-476. (Ref. 91779)

IUCN Red List Status (Ref. 130435)

Near Threatened (NT) (B1a+2a); Date assessed: 25 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Oryzias eversi Herder, Hadiaty & Nolte, 2012