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Baryancistrus chrysolomus RAPP PY-DANIEL, ZUANON & RIBEIRO DE OLIVEIRA, 2011

Mango Pleco, L047

March 13th, 2012 — 1:23pm

Prior to description this species was traded under the DATZ code L047 or the alternative vernacular name ‘magnum pleco’. It can be distinguished from congeners by a combination of the following characters: presence of a broad, light-coloured (usually yellowish) distal band on the dorsal and caudal fins throughout life, slightly reduced in adults. The only other member of the genus to possess such bands is B. xanthellus but in that species they are reduced to small markings at the fin tips in adults, and the body is covered in pale, normally yellowish, spots.

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Baryancistrus xanthellus RAPP PY-DANIEL, ZUANON & RIBEIRO DE OLIVEIRA, 2011

Gold Nugget Pleco, L018, L085, L177, LDA060

March 13th, 2012 — 1:23pm

Prior to description in 2011 this species was traded under the DATZ code numbers L018, L085, L077 and ‘Das Aquarium’ code LDA060, while a very similar-looking fish from the lower rio Xingu which has been assigned the code L081 may also represent a form of B. xanthellus but is not mentioned in the description paper.

B. xanthellus can be distinguished from congeners by a combination of the following…

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Ancistrus triradiatus EIGENMANN, 1918

Horned Bristlenose Pleco, Hirschgeweihantennenwels (DE)

March 13th, 2012 — 1:23pm

Often confused with the common bristlenose, Ancistrus sp. (3) and some other members of the genus. This species is imported quite often, but unlike sp. (3) is almost always wild caught. So similar are some of these species that a definite id is sometimes impossible without knowing the collection locality of the fish.

When buying Loricariids always check that the fish has a rounded belly and that its eyes aren't sunken, as these are classic signs of emaciation in newly imported specimens…

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Ancistrus sp. '3'

Common Bristlenose Catfish, Antennenwels (DE)

March 13th, 2012 — 1:23pm

This is the ubiquitous ‘bristlenose’ catfish in the aquarium hobby and is bred commerically on a large scale although it’s precise origin is unknown with some of the opinion that it may be a hybrid.

Several line-bred ornamental varieties exist, including piebald, albino and long-finned forms of both the standard and albino fish, of which long-finned fish are sometimes sold as ‘butterfly’ or ‘veiltail’ catfish.

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Ancistrus sp.

L255, Spotted Medusa Plec

March 13th, 2012 — 1:23pm

A somewhat odd-looking species with a distinctive wide head and overall flattened profile. Unfortunately this fish is not the easiest fish to keep alive in the aquarium since it requires rather specialised conditions and is often in poor condition post-import.

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Ancistrus ranunculus MULLER, RAPP PY-DANIEL & ZUANON, 1994

L034, Medusa Pleco, Monsterantennenwels (DE)

March 13th, 2012 — 1:23pm

A somehwhat odd-looking species with a distinctive wide head and overall flattened profile. Unfortunately this fish is not the easiest fish to keep alive in the aquarium since it requires rather specialised conditions and is often in poor condition post-import.

As a juvenile, it often sports a pattern of light spots on the body, leading to confusion with the similarly shaped L255 species.In A. ranunculus, these spots fade as the fish mature,…

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Ancistrus dolichopterus KNER, 1854

L183, Starlight Ancistrus, Blauerantennenwels (DE)

March 13th, 2012 — 1:23pm

This species is not always identified correctly with its name used for the unidentified common bristlenose and other similar species, while the fish itself has been referred to as A. hoplogenys and assigned the L-number L183.

Images and information describing it it in much of the available literature confirm this confusion.

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Ancistrus claro KNAACK, 1999

LDA 008, Gold Marble Bristlenose Catfish, Marmorantennenwels (DE)

March 13th, 2012 — 1:23pm

This species is sometimes confused with unidentified fishes such as A. sp. ‘L352’.

It can be told apart from closely-related congeners by possession of relatively long maxillary barbels which are free from the lower lip, and a colour pattern consisting of small spots on the head and vermiform lines on the body in males, and small spots all over the head and body in females.

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Peckoltia sp.

Big Spot Peckoltia, L163

March 13th, 2012 — 1:23pm

Commonly known as the big spot peckoltia, there is ongoing argument that this species should be included in the genus Hemiancistrus. As things stand, there has not yet been any scientific confirmation of this and the species remains undescribed. It's also often confused with the very similar-looking L013, another undescribed fish. These two species can only easily be distinguished as they mature, as L163 retains its spotted patterning, while L013 tends to become somewhat duller.

When b…

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Hemiancistrus sp.

Blue Phantom Plec, L128

March 13th, 2012 — 1:23pm

This stunning species must surely rank among the most attractive Loricariids available in the hobby. There are several colour forms available, depending on collection locality. These vary in base colour and in the number, size and positioning of the spots on the body.

The true identity of this fish is shrouded in confusion. It may or may not be Hemiancistrus subviridis, also known as the green phantom plec (L200), which it resembles very closely in morphology. The two are also found in diffe…

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