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Iguanodectes geisleri GÉRY, 1970

January 1st, 2014 — 9:43pm

I. geisleri is typically exported for the aquarium trade alongside the similar-looking congener I. adujai (Géry, 1970) but can be identified by presence (vs. absence in I. adujai) of a black lateral stripe on the body beneath the red stripe, and possession of 20-25 (vs. 28-34) anal-fin rays.

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Acnodon normani GOSLINE, 1951

Sheep Pacu

December 10th, 2013 — 9:05am

Known only from the lower Amazon river basin, and possibly restricted to the Xingu and Tocantins watersheds.

Type locality is ‘ Rio Santa Teresa, a western tributary of upper Rio Tocantins, Goiaz State, Brazil’, referring to what is now known as Goiás state, central Brazil.

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Hyphessobrycon agulha FOWLER, 1913

September 5th, 2013 — 11:50am

This species is relatively rare in the aquarium hobby but is occasionally traded as ‘red-tailed flag tetra’.

It lends its name to the H. aghula group of closely-related species within the genus as proposed by Géry (1977, see below) of which members share the following characters which set them apart from other characids: lower half of the body dark, especially above the anal-fin; usually possessing a laterally-elongate humeral spot, more-or-less united wit…

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Laetacara fulvipinnis STAECK & SCHINDLER, 2007

July 19th, 2013 — 2:25pm

Has been collected from habitats containing clear, soft, acidic, tea-coloured blackwater, most typically among leaf litter or submerged vegetation in very shallow (10-50 cm depth) water along the margins of streams and other minor tributaries.

At a village called El Niñal close to the mouth of the rio Pasimoni in the Casiquiare drainage pH was…

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Centromochlus reticulatus (MEES, 1974)

Reticulated Driftwood Catfish

June 27th, 2013 — 8:55pm

The genus Centromochlus is diagnosable by members having the proximal anal-fin radials enlarged and fused to each other at the base, forming a single ossified structure.

It’s sometimes included in the putative subfa…

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Corydoras sp.

C115, C116

June 27th, 2013 — 8:10pm

This unidentified species was originally traded under the C-numbers C115 and C116 but these two are now thought to represent the same species, while fish collected from Manú National Park and sold as C. sp. ‘Manu 1 long nose’, C. sp. ‘Manu 4’, C. sp. ‘Manu 7’, and C. sp. ‘Manu 8’ may represent this species as well.

It’s highly variable in terms of colour patter…

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Hypostomus sp.

L231

June 23rd, 2013 — 9:05pm

Supposedly exported from the upper Amazon region in Peru but precise details are lacking.

It’s unclear whether this unidentified species is conspecific with the similarly nameless congener L266 or not.

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Panaqolus sp.

L403

June 23rd, 2013 — 3:40pm

Not difficult to maintain under the correct conditions; we strongly recommend keeping it in a tank designed to simulate a flowing stream with a substrate of variably-sized rocks, sand, fine gravel, and some water-worn boulders.

This can be further furnished with driftwood branches, terracotta pipes, plant pots, etc., arranged to form a network of nooks, crannies, and shaded spots, thus providing broken lines of sight.

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Pseudacanthicus cf. leopardus

L114, LDA007, Demini Leopard Cactus Pleco

June 23rd, 2013 — 2:02pm

Mostly collected in the in the rio Negro basin, Amazonas state, Brazil, and in particular the rio Demini, a northern tributary flowing into the central Negro in the municipality of Barcelos.

P. leopardus was described from the Rupununi River in Guyana and the identity of this fish thus remains unconfirmed.

This ‘species’ is also traded simply as ‘leo…

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Peckoltia bachi (BOULENGER, 1898)

L146, L232, LDA030, Bola Pleco

June 23rd, 2013 — 1:26pm

This species has had several L-numbers assigned to it, with L146 collected from an unspecified locality in Colombia and L232 from the Río Putomayo/Içá.

It’s exported for the aquarium trade under a number of different generic names including Hemiancistrus, Sophiancistrus and Peckoltichthys.

Following Armbruster (2008) it can be to…

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