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Kronichthys subteres Miranda-Ribeiro, 1908

Image contributors to this species:

Mario Pinheiro (3)

ScotCat Sources:

Etymology = Genus

Other Sources:

Fishbase Google Search  All Catfish Species Inventory
 

Relevant Information:

Kronichthys subteres Inhabits streams with rocky and sandy bottom, in places up to 0.8 m deep and with water flow up to 30 cm per second. Forages both during the day and at night. Grazes on microscopic algae, mostly diatoms and green algae growing on rocks and submersed vegetation. Occasionally takes chironomid and simuliid larvae, as well as tiny crustaceans. Before grazing on a patch with dense sediment, the fish makes wiggling head-down movements which raise sediment, to be blown away by the water current. When grazing algae off the substrate makes vigorous mouth movements, and moves by jerky movements probably related to its mouth making alternate grazing and attaching to the substrate. Leaves conspicuous grazing marks on exposed rocks. May re-graze a given spot by moving backwards. Density may reach about 1 fish per square meter in stream stretches shaded by the forest and 2.5 fish per square meter in sunny stretches. Remarks: there are three species in this genera, K. subteres, K. heylandi (Boulenger, 1900), and K. lacerta (Nichols, 1919).

Common Name:

None

Synonyms:

None

Family:

Loricariidae

Distribution:

South America: Ribeira de Iguape River basin. Type locality: Rio Betari [Betharí], Rio Pardo, Rio Iporanga, Brazil.

Size:

10cm. (4ins) S.L.

Temp:

20-24°c (67-75°f.)

p.H.

6.0-7.5.

Reference:

Buck, S. and I. Sazima, 1995. An assemblage of mailed catfishes (Loricariidae) in southeastern Brazil: distribution, activity and feeding. Ichthyol. Explor. Freshwat. 6(4):325-332.
Froese, R. and D. Pauly. Editors. 2018.FishBase. World Wide Web electronic publication. www.fishbase.org, ( 02/2018 )
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Baensch, H.A. and R. Riehl, 1997. Aquarien Atlas, Band 5. Mergus Verlag, Melle, Germany. 1148 p.

 

 

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                                                                                                                       updated = November 5, 2018 © ScotCat 1997-2018