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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

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | 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 Ekologi

; sötvatten; brackvatten pelagiska; pH range: 7.0 - 8.0; dH range: 9 - 19; ej vandrande.   Tropical; 20°C - 24°C (Ref. 1672)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | 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 / Vikt / Age

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

Short description Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt): 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).

Biologi     Ordlista (t.ex. epibenthic)

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

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 09 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans





Human uses

Akvarium: Kommersiell
FAO(Publication : search) | FishSource |

Ytterligare information

Populärnamn
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Ekotoxikologi
Reproduktion
Könsmognad
Lek
Fecundity
Ägg
Egg development
Age/Size
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Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
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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).
Trofisk nivå (Ref. 69278):  3.0   ±0.2 se; based on diet studies.
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).