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Geophagus brasiliensis (Quoy & Gaimard, 1824)

Pearl cichlid
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Image of Geophagus brasiliensis (Pearl cichlid)
Geophagus brasiliensis
Picture by Corrêa, F.


Hong Kong country information

Common names: [No common name]
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from the Shing Mun Reservoir. Introduced via the aquarium trade (Ref. 129032).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/hk.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chan, J.C.F., A.H.F. Tsang, S.-M. Yau, T.C.H. Hui, A. Lau, H.H. Tan, B.W. Low, D. Dudgeon and J.H. Liew, 2023
National Database:

Common names from other countries

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

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Geophaginae
Etymology: Geophagus: Greek, gea = the earth + Greek, phagein = to eat (Ref. 45335).
  More on authors: Quoy & Gaimard.

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

; süßwasser; brackwasser benthopelagisch; pH range: 6.5 - 7.0; dH range: 5 - 10; potamodrom (Ref. 51243).   Tropical; 11°C - 37°C (Ref. 116045)

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

South America: Coastal drainages of eastern and southern Brazil and Uruguay.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 9.1  range ? - ? cm
Max length : 28.0 cm TL Männchen/unbestimmt; (Ref. 36377); common length : 9.0 cm TL Männchen/unbestimmt; (Ref. 12193)

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

Quite popular with aquarists.

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

Hauptreferenz Upload your references | Referenzen | Koordinator : Kullander, Sven O. | Partner

Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. 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, Brasil. (Ref. 36377)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 18 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

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

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Length-weight rel.
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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=0.01950 (0.01559 - 0.02439), b=3.01 (2.96 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  2.6   ±0.26 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Fec=600-800).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (18 of 100).
Preiskategorie (Ref. 80766):   Unknown.