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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 Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | 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 Ecología

; agua dulce; salobre pelágico; pH range: 7.0 - 8.0; dH range: 9 - 19; no migratorio.   Tropical; 20°C - 24°C (Ref. 1672)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | 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.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL macho / no sexado; (Ref. 26681); 6.0 cm TL (female)

Short description Claves de identificación | Morfología | Morfometría

Radios blandos dorsales (total) : 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).

Biología     Glosario (por ej. epibenthic)

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

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

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

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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

Pesquerías: comercial; Acuario: Comercial
FAO(Publication : search) | FishSource |

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproducción
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinámica larvaria
Anatomy
Gill areas
Cerebros
Otolitos
Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natación
Swimming speeds
Visual pigment(s)
Sonidos de peces
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
Referencias

Herramientas

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Fuentes de Internet

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).
Nivel trófico (Ref. 69278):  3.0   ±0.2 se; based on diet studies.
Resiliencia (Ref. 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Price category (Ref. 80766):   Unknown.