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Apistogramma cacatuoides HOEDEMAN, 1951

Cockatoo Cichlid

March 13th, 2012 — 1:18pm

Numerous ornamental forms of this species have been selectively line-bred for the aquarium trade, vernacular names for which include "sunset", "sunburst", "double red", "triple red", "gold", "white gold", "orange flash" and "albino". It has also been assigned the 'A' number A200 under the DATZ system with possibly conspecific, related forms similarly numbered A201, A202 and A203 depending on locality.

Th…

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Acarichthys heckelii (MÜLLER & TROSCHEL, 1849)

Threadfin Acara

March 13th, 2012 — 1:18pm

The genus Acarichthys remains monotypic and was resdescribed by Kullander (1986) who characterised it by the following: lack of epibranchial lobe; comparatively few (12-14)rays; pelvic fins with relatively broad tips (branches of the first ray are equal in length or the inner is slightly longer); possession of a single supraneural plus 14-15 vertebrae (these characters taken as a combination); no caudal extensions to swim bladder; no caudal ribs.

Its current taxonomic position is based largel…

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Mikrogeophagus ramirezi (MYERS & HARRY, 1948)

Ram

March 13th, 2012 — 1:18pm

M. ramirezi is also known by the names ‘Ramirez’ dwarf cichlid’ and ‘butterfly cichlid’ and is among the more popular dwarf cichlids in the aquarium hobby.

As a result, it is produced on a commercial basis in huge numbers and a number of ornamental strains have been developed including ‘gold’, ‘long-finned’ (both blue and gold forms; also traded as ‘lyre-tail’, ‘veil-tail’ and ‘hi-fin’), ‘electric/neon blue’, ‘super neon blue gold’ ‘pearl/perlmutt’ and ‘balloon’.

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Amphilophus citrinellus (GÜNTHER, 1864)

Midas Cichlid

March 13th, 2012 — 1:18pm

Previously included as a member of the genus Cichlasoma, the midas cichlid is often confused with the red devil, A. labiatus. The two can be distinguished through differences in morphology. As suggested by its scientific name, A. labiatus often possesses characteristically large lips, although this is variable and should not be used as a defining indicator of species. More reliable differences include the bigger nuchal hump and more thick-set appearance in A. citrinellus.

The midas exists in many n…

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Apistogramma agassizii (STEINDACHNER, 1875)

Agassizi's Dwarf Cichlid

March 13th, 2012 — 1:18pm

Numerous ornamental forms of this species have been selectively-bred for the aquarium trade, some of which include. It has also been assigned the 'A' number A234 under the DATZ system with possibly conspecific, related forms similarly numbered A235, A236, A237, A238, A239, A240, A241 and A242 depending on locality.

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 …

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'Geophagus' steindachneri EIGENMANN & HILDEBRAND, 1922

Red Hump Eartheater

March 13th, 2012 — 1:18pm

This species lends its name to the ‘G.steindachneri, an assemblage of closely-related species with unresolved generic placement which currently also includes ‘G.crassilabris and ‘G.pellegrini. It exists in a number of colour forms which vary with locality, some of which may eventually be described as separate taxa. Some of these may appear on trade lists under the synonym Geophagus hondae.

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Cyphotilapia frontosa (BOULENGER, 1906)

Humphead Cichlid

March 13th, 2012 — 1:18pm

Populations of C. frontosa from different localities are often labelled as such in order to maintain accuracy and preserve pure bloodlines. The majority possess 6 vertical bands on the body with the exception of the form from Kigoma on the eastern side of the lake, which has 7. Forms referred to as ‘Blue Zaire’ are sometimes misidentified as C. frontosa but are representative of its congener C. gibberosa.

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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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