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Oryzias pectoralis  Roberts, 1998

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Oryzias pectoralis
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Beloniformes (Needle fishes) > Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335).   More on author: Roberts.

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical

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

Asia: Laos and Viet Nam.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 2.2 cm SL male/unsexed; (Ref. 27658)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 6-7; Anal soft rays: 19 - 20; Vertebrae: 30. Principal caudal fin rays 5/6 (Ref. 27658); upper half of pectoral fin base with black spot; relatively slender body (Ref. 43281).

Biology     Glossary (e.g. epibenthic)

Found in rice paddies (Ref. 27658), swamps and sheltered areas of slow flowing rivers (Ref. 43281).

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

Egg clusters are deposited among the vegetation.

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

Roberts, T.R., 1998. Systematic observations on tropical Asian medakas or ricefishes of the genus Oryzias, with descriptions of four new species. Ichthyol. Res. 45(3):213-224. (Ref. 27658)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00192 - 0.01252), b=3.13 (2.91 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.1   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Assuming fec < 100).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .