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Iguanodectes spilurus (GÜNTHER, 1864)

Green Line Lizard Tetra

January 2nd, 2014 — 5:07pm

Widely-distributed throughout the Amazon, Orinoco, Essequibo, and Tocantins river systems in Brazil, Peru, Bolivia, Ecuador, Colombia, Venezuela, and Guyana.

Type locality is ‘Rio Cupai [= Rio Cupari], Rio Tapajós basin, Amazon River drainage, Pará State, Brazil’.

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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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Boulengerella maculata (VALENCIENNES, 1850)

March 19th, 2013 — 9:03am

Both species also possesses a broader dark midlateral stripe on the body which tends to be more well-defined in B. lateristriga than in B. maculata.

Colour pattern in B. maculata varies considerably with some specimens noticeably paler than others, for example, and the the broad midlateral stripe usually less intense in such individuals.

This does not app…

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Boulengerella lateristriga (BOULENGER, 1895)

Striped Pike 'Characin'

March 18th, 2013 — 4:54pm

Boulengerella differs from Ctenolucia, the only other genus currently contained in the family Ctenolucidae, by a series of derived features including possession of 87-124 (vs. 45-50) lateral line scales, presence of a strongly (vs. weakly) developed fleshy appendage at the tip of the snout and absence (vs. presence) of fleshy flaps on the lower jaw.

Within the order Characiformes the family Ctenoluciidae is also distinguished by a set o…

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Copella meinkeni ZARSKE & GÉRY, 2006

Spotted Splashing Tetra

March 6th, 2013 — 3:27pm

This species has been widely referred to as the congener C. nattereri in aquarium literature both prior to and post-publication of its official description in 2006.

The two can be told apart quite easily by the fact that C. nattereri possesses a dark lateral stripe while C. meinkeni does not.

C. meinkeni can be distinguished from all congeners by the followi…

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Leporinus brunneus MYERS, 1950

February 27th, 2013 — 3:32pm

Décor is relatively unimportant and maintenance simple provided sufficient space is available.

A natural-style arr…

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Hypancistrus inspector ARMBRUSTER, 2002

L102, Snowball Pleco

March 13th, 2012 — 1:23pm

H. inspector can be told apart from other described species in the genus by the following combination of characters: colour pattern comprising brown to black base with large whitish to yellow spots; adpressed dorsal-fin not reaching the adipose-fin spine; spots on head much smaller than on rest of body; spots in the upper caudal-fin lobe combining to form bands in adults; 24 plates in the mid-ventral series.

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Astyanax bimaculatus (LINNAEUS, 1758)

Two Spot Astyanax

March 13th, 2012 — 1:21pm

A. bimaculatus is not a popular aquarium fish but is available on occasion exception, most often as a contaminant among shipments of other species.

It’s identity is also in question to an extent with the name currently applied to what is considered to represent a species complex comprising at least four taxa.

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Paracheirodon axelrodi (SCHULTZ, 1956)

Cardinal Tetra

March 13th, 2012 — 1:18pm

It was initially going to be described as Hyphessobrycon cardinalis by Myers and Weitzman (1956) but just before this was due to be published Schultz presented an alternative description in the hobbyist magazine ‘Tropical Fish Hobbyist’ and named the fish after the publication’s founder, Dr. Herbert R. Axelrod.

A significant proportion of the fish available in the aquarium trade are still wild caught or derive from community-led breeding projects such as Project Piaba in the middle Negro region, where this sp…

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Satanoperca daemon (HECKEL, 1840)

Threespot Eartheater

March 13th, 2012 — 1:18pm

S. daemon is relatively common in the aquarium trade but is by no means easy to maintain, with particular attention to space, diet, water quality, and chemistry required in order for it to thrive.

It can be distinguished from other members of the genus by possessing two dark blotches on the flank and a prominent ocellus at the caudal-fin base. Among the named species it is most similar to…

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