L177 Baryancistrus xanthellus – Gold Nugget Pleco 6-8cm

55.00

Distribution

Endemic to the rio Xingu basin where it inhabits a section of the river’s main channel known as ‘Volta Grande do rio Xingu’ which lies between Belo Monte falls and the mouth of the rio Iriri in Pará state, Brazil.

Populations from this stretch of the river are known by the codes L018 and L085 in the aquarium hobby. The Iriri is a major tributary of the Xingu and B. xanthellus has also been recorded along its mid-to-lower course with that population coded L177.

Habitat

Occurs predominantly in whitewater rapids with young specimens observed to congregate under flat rocks at the bottom of shallow stretches whereas adults are found under and among submerged rocks and boulders. Other species recorded in the same habitats include Baryancistrus aff. niveatusAncistrus spp., Oligancistrus punctatissimusOligancistrus sp.Parancistrus nudiventrisPseudancistrus sp., Scobinancistrus aureatusS. cf. pariolispos, and Hypostomus spp.

Maximum Standard Length

The largest specimen examined for the official description measured 224.1 mm.

Aquarium Size

Given the adult size an aquarium with base dimensions of 120cm x 45cm or equivalent should be the smallest considered for long-term maintenance.

Maintenance

Not difficult to maintain under the correct conditions but largely unsuitable for the ‘general’? community aquarium. We recommend keeping it in a set-up designed to resemble a flowing river with a substrate of variably-sized rocks, gravel and some large water-worn boulders.

This can be further furnished with driftwood branches, roots and tough aquatic plants such as MicrosorumBolbitis,? or? Anubias? spp., which can be grown attached to the décor. Bright lighting will promote the growth of? aufwuchs? upon which the fish will? graze.

Like many? species? that naturally inhabit running waters it’s intolerant to the accumulation of? organic ? wastes and requires spotless water at all times in order to thrive. It’s also essential to provide sufficient levels of?dissolved oxygen? and water movement using a combination of canister filters, powerheads, etc., particularly if the aim is for the fish to breed. Weekly water changes of 40-70% should also be considered mandatory.

Water Conditions

Temperature: 27-32 C; this species will not thrive in cooler water.

pH: 6.0-8.0

Hardness: 54-268ppm

Diet

Gut analyses of wild specimens revealed the diet to be composed chiefly of algae, particularly diatoms and filamentous genera such as Spirogyra? alongside smaller amounts of invertebrates such as chironomids and bryozoans.

In the aquarium aufwuchs should thus be allowed to colonise all surfaces except the viewing pane in order that the fish can browse naturally although the diet should of course be supplemented with high-quality sinking dried foods (preferably with added vegetable content), live or frozen bloodworm and similar, plus slices of fresh fruit and vegetables and the occasional defrosted prawn or shrimp.

Home-made, gelatine-bound recipes containing a mixture of puréed fish food, shellfish, fruit and vegetables, are also proven to work well and in many ways represent the ideal staple diet since the ingredients can be altered at will, and when made well such foods contain a greater concentration and diversity of nutrients than any of the other options.

Baryancistrus? spp. are often under-nourished and/or suffering from health issues post-importation and may require an extended period of quarantine and acclimatisation. They also have a relatively high metabolic rate and? may initially require several meals per day.

Behaviour and Compatibility

Juveniles are relatively peaceful but males in particular become highly intolerant of? conspecifics as they age and typically aggressive towards any other fish viewed as a territorial threat. It’s therefore best kept with? species that inhabit other areas of the tank? with medium-to-large sized characids particularly suitable.

In very large aquaria you may be able to combine it with other catfishes or maintain a group provided care is taken to provide sufficient territorial space and visual barriers when laying out the décor.

Sexual Dimorphism

Adult males develop a broader, slightly flatter head profile and longer pectoral-fin spines than females.

Βάρος
5 kg
Κατασκευαστής

Singapore

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