Pearl Cichlid, Geophagus brasiliensis. Source: / Wikimedia Dianne J. Bray, Geophagus brasiliensis in Fishes of Australia, accessed 26 Dec Fish guide for Pearl Cichlid, Geophagus brasiliensis, Pearl Eartheater profile with fish pictures, description and information, Geophagus cichlid care, diet, habitat. G. brasiliensis is a moderately popular ornamental freshwater fish that occurs as an introduced species in the aquatic habitats of at least four.
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If your fish enjoys these foods, feed them only as an occasional treat, not as a staple. When several references are cited, they may give conflicting information on the status. The size at maturity of G. The majority of of problems that occur with tropical fish tanks usually come down to one cause, decomposing organic matter. The one thing to keep in mind when housing this fish is that they will require an aquarium of at least 40 gallons or larger, though they do not require any specialized filtration, lighting, or decor.
One common problem is Ich. While the diets of G. Environmental Biology of Fishes Sexual differences The sex is hard to tell as they are similarly colored.
Mazzoni R; Iglesias-Rios R, Of particular note is that the species is highly tolerant of temperature and salinity variability and may survive in the low temperatures of temperate latitudes i. Water temperature ranged from On normal days it will present a grayish-green body covered with bluish white pearly flecks.
Crenicaratini — BiotoecusCrenicaraDicrossus and Mazarunia. The population was found to be self-sustaining Beatty et al.
Inhabits fresh and brackish water, in rivers, pools, ponds and swamps; able to tolerate wide temperature and pH ranges.
As ofthe population has spread and become established throughout the two main river systems of the Swan River Estuary, i. Geophagus brasiliensis pearl cichlid ; adult, mm total length.
Despite its current scientific designation, this cichlid does not actually have much in common with its eartheater cousins and may eventually be removed from the Geophagus genus. From Wikipedia, the free encyclopedia. The levels of agonistic behaviour and territoriality exhibited by G. Omnivore – substrate sifter.
Cichlids have spiny rays in the back parts of the anal, dorsal, pectoral, and pelvic fins to help discourage predators. No representatives of Teleocichla or Mazarunia were included in the study but the former is well-established as sister to Crenicichla while the latter has grouped closely with Dicrossus and Crenicara in earlier works.
Retrieved 27 August Dominant males often develop a nuchal hump, a bump or bulge on the forehead. Reproduction Biparental substrate spawner. Take great care and make sure to properly clean or quarantine anything that you add to an established tank so not to upset the balance.
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Pearl cichlid – Wikipedia
While empirical research clearly outlining impacts is lacking, it is possible to infer potential impacts based on the biology and ecology of the species. The female may lay as many as oval eggs, though is more likely in the aquarium. While fish may reach these sizes, both males and females are typically much smaller measuring up to mm in length Britski et al. This page was last edited on 18 Novemberat Trophic interactions between the fish Geophagus brasiliensis Cichlidae and the benthic macroinvertebrate community.
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Adult male specimen; origin unspecified. Florida Scientist, 47 3: The species grows to approximately mm Page and Burr Intestinal disease can be treated with metronidazol.
Generate a print friendly version containing only the sections you need. The species often has red highlights on the fins, principally the dorsal and caudal fins. Database of fish chromosomes. Environmentally-related life history variations in Geophagus brasiliensis. Introduced exotic fishes in North America: They feed on detritus and insects along with algae and weeds found on or under the substrate.
This looks like cavities or pits on the head and face.