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Xenophallus umbratilis (Meek, 1912)

Shadow toothcarp
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Xenophallus umbratilis
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Nicaragua country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Lake Nicaragua on the Atlantic versant to the Río Parismina and was collected once in Río Tenorio drainage on the Pacfiic slope. Collected from Lake Nicaragua by a net trawled at 10-12 m depth, several kilometers from the shore (Ref. 36880).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Bussing, W.A., 1998
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Xenophallus: Greek, xenos = strange + Latin, phallus = penis (Ref. 45335).
  More on author: Meek.

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

; Água doce pelágico(a,os,as); pH range: ? - 7.2; dH range: ? - 3; intervalo de profundidade 10 - 20 m (Ref. 36880).   Tropical; 21°C - 37°C (Ref. 36880)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Central America: Lake Nicaragua on the Atlantic drainage to the Río Parismina and the Río Tenorio drainage on the Pacific slope (Ref. 36880). Costa Rica and Nicaragua.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL macho/indeterminado; (Ref. 36880)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Body thin, translucent and yellowish. Base of the first dorsal rays with a black blotch; in males the posterior edge of the dorsal fin is also black and sometimes the remainder of the fin is brilliant yellow. The males and young have 5 to 10 black bars on the side which are diffuse or absent in females. The gonopodium is asymmetrical and either dextral or sinistral; the apex of which in mature males bears a long upper projection and swelling below, both of which are membranous (Ref. 36880).

Biologia     Glossário (ex. epibenthic)

Inhabits waters of all velocities, between 35 and 590 m elevation, with temperatures of 21 to 37°C. Lives in small groups in brooks, creeks and along the shorelines of rivers where it feeds on detritus, filamentous algae, aquatic insects and ooze. Probably reproduces throughout the year (Ref. 36880).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

After 28 days gestation, about 15 to 50 young are born. Sexual maturity is reached after 3-4 months (Ref. 2060).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Lucinda, P.H.F., 2003. Poeciliidae (Livebearers). p. 555-581. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brazil. (Ref. 50894)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Vulnerável, ver o Livro Vermelho da IUCN (VU) (B1ab(iii)); Date assessed: 12 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

FAO(Publication : search) | FishSource |

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Trophic ecology
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Fontes da internet

Aquatic Commons | BHL | Cloffa | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes(Género, Espécies) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoma, nucleotídeo) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Árvore da vida | Wikipedia(ir para, procurar) | World Records Freshwater Fishing | Registo zoológico

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00354 - 0.01865), b=3.16 (2.97 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  2.4   ±0.21 se; based on food items.
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).