Wild Caught Geophagus Sveni 3-4 inch

Known only from the rio Pindaré in Maranhão state, north-eastern Brazil which drains into the Baía de São Marcos (St. Mark’s Bay) along with the rios Mearim, of which it is sometimes considered a tributary, and Grajaú.Some sections of the Pindaré have been heavily degraded via removal of riparian vegetation for agriculture and habitats destroyed due to resultant siltation.The river is poorly-studied and the conservation status of its fishes mostly unconfirmed so such developments can only be considered alarming given there are no protective measures in place for the pristine areas that remain.HabitatLittle information is available but related species show a preference for clear and black water environments as opposed to turbid ‘white’ waters and tends to inhabit gently sloping marginal zones around shores or islands with substrates of sand, fine gravel and mud.Depending on locality other habitat features can include scattered rocks, leaf litter, submerged tree roots and branches.Maximum Standard Length140 – 150 mm.Aquarium SizeTOP ↑An aquarium with a base measuring 150 ∗ 45 cm or more is required to house a group long-term.MaintenanceThe most essential item of décor is a soft, sandy substrate so that the fish can browse naturally (see ‘Diet’).Coarser materials such as gravel or small pebbles can inhibit feeding, damage gill filaments and even be ingested with the potential of internal damage or blockages.Additional furnishings are as much a case of personal taste as anything else but the most favoured set-ups tend to feature relatively dim lighting plus some chunks of driftwood and scattered roots or branches.Leaf litter is a typical feature of the natural environment but not really recommended in aquaria because the feeding behaviour of Geophagus spp. tends to cause an excess of partially-decomposed material in suspension which not only looks unsightly but can block filter and pump mechanisms.One or two flattish, water-worn rocks can also be included to provide potential spawning sites if you wish.Water quality is of the utmost importance since these cichlids are extremely susceptible to deteriorating water quality and swings in chemical parameters so should never be introduced to a biologically immature aquarium.The best way to achieve the desired stability is to over-filter the tank using a combination of external canister filters and/or a sump system and perform minimum weekly water changes of 50-70%.If the maintenance regime is insufficient health issues such as head and lateral line erosion or stunted growth can occur.Mechanical filtration should also be tailored to trap small particles stirred up by the fish as sand can cause blockages and wearing issues with filter mechanisms if allowed to continually run through the system.High flow rates should be avoided so position filter returns accordingly.Water ConditionsTemperature: 26 – 29 °CpH: 6.0 – 7.0 


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