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Johnny Jensen's Photographic Library (3)

Description: In adults Loricaria birindellii is distinguished from all other nominal species of Loricaria by having a combination of an elongate dorsal-fin spine (36.0% SL based on the holotype vs. 16–29%, usually less than 26% SL) that is supported throughout most of its length by the first branched ray and an inconspicuous (vs. prominent) post-orbital notch with minimum orbital diameter 95.4–97.2% (vs. 71.8–91.5%) of maximum orbital diameter. It is further distinguished from similar and geographically proximate species, L. lata and L. simillima, by having a narrower head width (13.9–14.9% SL vs. 15.2–19.4% SL in L. simillima and 16.4–20.1% SL in L. lata), from L. clavipinna by having more divergent plates (21 vs. 18–19) and fewer coalesced plates (13 vs. 15–16) in the lateral series, and from L. cataphractta by having weakly (vs. strongly) developed odontode crests on head and dorsal trunk plates, more divergent plates (21 vs. 17–20, usually 19) and fewer coalesced plates (13 vs. 13–17, usually 15–16) in the lateral series. Remarks: The authors caught this new species downstream of a cataract in clear water approximately one to two metres deep and with a moderate current. The substrate was predominantly sand with patches of bedrock and large lateritic boulders.

L010

None

Loricariidae

Brazil: Pará, Altamira Municipality, Rio Curuá, Iriri-Xingu drainage, near town of Castelo dos Sonhos.

24.0cm. (9¾ins)

24-28°c (75-83°f)

6.0-7.0.

Froese, R. and D. Pauly. Editors. 2014. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 08/2014 ).
Thomas, M.R. and M.H. Sabaj Pérez. 2010. A new species of whiptail catfish, genus Loricaria (Siluriformes: Loricariidae), from the Rio Curua´ (Xingu Basin), Brazil. Copeia 2010(2):274-283.