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Hans-Georg Evers (1) Adrian Taylor (3) Kiruya Momochi (2)

Habitat: Inhabits streams with rocky and sandy bottom, mostly in shallows and backwaters up to 30 cm deep, with slow water flow (0.5-10 cm/sec). Forages mostly during the day with some night activity also recorded. Grazes on microscopic algae, mostly diatoms and green algae growing on rocks and submersed vegetation; occasionally takes chironomid and simuliid larvae. Before grazing on a patch with dense sediment, it makes wiggling head-down movements to dislodge sediment. When scrapping algae off the substrate, it makes vigorous mouth movements, and moves by jerky movements probably related to its mouth making alternate grazing and attaching to the substrate. Grazing leaves characteristic, parallel and elongated marks on the substrate. Density may reach about 0.09 fish.m-2 in stream stretches shaded by forest canopy and 0.15 fish.m-2 in sunned stretches. Etymology: The specific name guentheri: in honour of Francisco Günther (d. 1912), who collected specimens for the Museu Paulista, University of São Paulo, including holotype of this species [originally spelled guntheri, emended to guentheri per ICZN Art. 32.5.1]. Remarks: Still sometimes found on online searches as Schizolecis guntheri.

None

Microlepidogaster guntheri, Pseudotocinclus ribeiroi

Loricariidae

South America: Brazil, South eastern. Type locality: Praia do Piraíque, Ilha de São Sebastião, Estado de São Paulo.

4.0cm. (1½ins)

23-27°c (73-81°f)

6.0-7.0.

Burgess, W.E. 1989 An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
The ETYFish Project Fish Name Etymology Database © Christopher Scharpf.