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Characidium onca Melo, Brito Ribeiro & Lima, 2021

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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335);  onca: Name from Portuguese 'onca', referring to the jaguar Panthera onca (Linnaeus), alluding to the black spots in a bright gold-yellow body; noun in apposition (Ref. 123789).

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

; sötvatten bentopelagisk. Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

South America: Brazil.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL hane/ej könsbestämd; (Ref. 123789)

Short description Bestämningsnycklar | Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt) : 8 - 10; Mjukstrålar i analfenan: 6; Ryggkotor: 35 - 36. This species is distinguished from its congeners by the following characters: presence of small dots on the side of the body, arranged in two or three distinct longitudinal lines; short pectoral fin, not reaching the vertical that passes through the origin of the dorsal fin; absence of adipose fin and bars; scaled isthmus; absence of blotches on dorsum; presence of longitudinal gold stripe; and mouth small, terminal. Colouration: yellow to brownish with dorsum darker and whitish belly, with gold tint on opercle, eye and parts of the head (123789).

Biologi     Ordlista (t.ex. epibenthic)

This species has restricted geographic distribution, currently known only from córrego Taquara and its tributaries. Maximum length based on type specimen, to be replaced with a better reference (Ref. 123789).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Melo, M.R.S., M.C.L. Brito Ribeiro and F.C.T. Lima, 2021. A new, narrowly distributed, and critically endangered species of Characidium (Characiformes: Crenuchidae) from the Distrito Federal, Central Brazil. Neotrop. Ichthyol. 19(1). (Ref. 123789)

IUCN Red List Status (Ref. 130435)

  Critically Endangered (CR) (B1ab(iii)); Date assessed: 08 April 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisk nivå (Ref. 69278):  3.4   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).