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Phalloceros caudimaculatus (Hensel, 1868)

Dusky millions fish
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Image of Phalloceros caudimaculatus (Dusky millions fish)
Phalloceros caudimaculatus
Male picture by Sazima, I.


Brazil country information

Common names: Barrigudinho, Guaru, Guaru guaru
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from the Pardo River (Ref. 27745), Caracu and Sao Pedro streams, tributaries of the Paraná river (Ref. 26076). Found in Córrego Barreiro (Ref. 53011). Also recorded from the Patos lagoon (Ref. 58359). Also Ref. 1739.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Pavanelli, C.S. and E.P. Caramaschi, 1997
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Phalloceros: Greek, phallos = penis + Greek, keras = horn (Ref. 45335).

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

; süßwasser; brackwasser pelagisch; pH range: 7.0 - 8.0; dH range: 9 - 19; standorttreu.   Tropical; 20°C - 24°C (Ref. 1672)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: Rio de Janeiro, Brazil southward to Uruguay and Argentina (Ref. 9086). Introduced mainly for mosquito control (Ref. 1739). At least one country reports adverse ecological impact after introduction.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL Männchen/unbestimmt; (Ref. 26681); 6.0 cm TL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 7 - 9. Dorsal fin short; pectoral fin small, not reaching back to level of pelvic fin bases; body and fins covered with a profusion of black patches; tip of gonopodium of male with a distinctly downturned hook (Ref 54372).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabits swamps and drains of Perth metropolitan area, Western Australia (Ref. 44894). Omnivorous.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

After about 24 days gestation, 10 to 50 young are born.

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 09 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen





Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Kommerziell
FAO(Publication : search) | FishSource |

Mehr Information

Trophic ecology
Nahrungsorganismen
Diet compositions
Food consumptions
Food rations
Räuber
Ecology
Ökologie
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
Mass conversions
Recruitments
Abundances
Life cycle
Fortpflanzung
Maturities
Fecundities
Spawnings
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Egg(s)
Egg developments
Larven
Larven Pop.Dyn.
Distribution
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FAO Gebiete
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Anatomy
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Gehirngröße
Otoliths
Physiology
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Swimming type
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Visual pigment(s)
Fisch Laute
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetik
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00437 - 0.01737), b=3.15 (2.98 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.0   ±0.2 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Preiskategorie (Ref. 80766):   Unknown.