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Apistogramma steindachneri (REGAN, 1908)

Steindachner's Apisto, A138

March 13th, 2012 — 1:22pm

This species is assigned the code A138 under the DATZ system, with the Venezuelan variant referred to as A139 for easy reference.

The genus Apistogramma is among the most speciose of South American cichlid genera with around 70 species valid at present but many more awaiting description. In addition many species exist in two or more geographical colour forms which may or may not turn out to be distinct in the future. Hobbyists tend to label these with collection dat…

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Aequidens tetramerus (HECKEL, 1840)

Saddle Cichlid

March 13th, 2012 — 1:21pm

This is the type species of the genus Aequidens and has the widest distribution of any member species. It exists in various colour forms depending on locality with variants from Ecuador and Peru being particularly sought after since they develop striking red (Ecuador) or orange (Peru) colouration on the lower part of the jaw, head and anterior portion of the belly whereas those from Brazil tend to have an overall grey/blue/green colouration, for example.

Despite its type status it's long…

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Brachyplatystoma filamentosum (LICHTENSTEIN, 1819)

Piraíba

March 13th, 2012 — 1:21pm

In the Amazon region it is only specimens larger than around 160 cm and werighing in excess of 50 kg that are referred to as ‘Piraíba’ with the name ‘filhote’ normally applied to smaller individuals. Other vernacular names include ‘Salton catfish’, ‘Kumakuma’; and ‘tiger antenna catfish’; with members of the genus often referred to collectively as ‘goliath catfishes’.

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Acanthodoras cataphractus (LINNAEUS, 1758)

Chocolate Talking Catfish

March 13th, 2012 — 1:21pm

This species, which may also be referred to by the alternative vernacular names 'spiny catfish', 'painted talking catfish' or 'chocolate raphael', isn't particularly common in the trade and most often exported only as bycatch among shipments of Platydoras armatulus. It appears very similar to the congener A. spinosissimus with the most useful external distinguishing character being the presence of pale blotches on the dorsal surface, between the dorsal and caud…

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Brachychalcinus orbicularis (VALENCIENNES, 1850)

Discus Tetra

March 13th, 2012 — 1:21pm

The genus Brachychalcinus currently contains four other species: B. copei (Steindachner 1882) from the rio Madeira and rio Solimões; B. nummus Böhlke 1958 from the Upper Amazon region in Colombia, Ecuador and Peru; B. parnaibae Reis 1989 from the rio Parnaíba basin, and B. retrospina Boulenger 1892 from the Rio Paraguay system.

The group is often referred to collectively as ‘silver dollar tetras’ and tho…

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Leporinus fasciatus (BLOCH, 1794)

Banded Leporinus

March 13th, 2012 — 1:19pm

This species is also referred to as ‘black-anded leporinus’, ‘striped leporinus’ and ‘eight-banded leporinus’.

Young specimens are often traded for aquaria without warning as to their potential size and requirements, and as a result it’s fairly ubiquitous in public aquarium displays.

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Cleithracara maronii (STEINDACHNER, 1881)

Keyhole Cichlid

March 13th, 2012 — 1:18pm

This species can be told apart from relatives by the characteristic ‘keyhole’ shaped marking on each side of the body.

It’s one of few fishes in which the current generic name is derived from the common name popularised in the aquarium hobby with ‘Cleithracara‘ a combination of the Greek kleithron, meaning lock, and, acará, the Guaraní word for cichlids.

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