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Otocinclus macrospilus Eigenmann & Allen, 1942

Image contributors to this species:

Mark Duffill (1) mjm_pt (2) Joost Schuitemaker (1) Johnny Jensen's Photographic Library (1)  

ScotCat Sources:

Etymology = genus

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory

Relevant Information:

Similar to O. hoppei but there is a difference in the caudal peduncle pattern. O. hoppei has a small caudal spot which does not run into the caudal fin and has only one crossbar to this pattern wheras O. macrospilus has two. Aquarium care: This is a small group of Loricariids which do well in aquaria and will keep the algae down without harming the plants in the tank. Best to keep in a group with more males for breeding purposes. Breeding: The females will lay eggs on the plants and tank glass after the females have been chased around the tank by the male. Like Corydoras they present a t-position breeding mode. Diet: Omnivore: algae, tablet foods, flake and small frozen foods.

Common Name:





Loricariidae ycipitidae


South America: Upper Amazon River basin. Type locality: Rio Morona, Upper Amazon basin, Peru.


3.5cm. (1½ins)


22-26°c (71-79°f.)




Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Evers, H.-G. & I.Seidel: Mergus, Baensch Catfish Atlas Volume 1, 1st English edn., 2005. Pp.944.



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                                                                                         updated = October 17, 2017 © ScotCat 1997-2018