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Aphanius anatoliae (LEIDENFROST, 1912)

March 13th, 2012 — 1:24pm

A. anatoliae is the most widely-distributed of the Anatolian Aphanius species although like most of its congeners is not easy to come by in the hobby. You are unlikely to find it on sale in aquatic stores although it may be available via specialist breeders or associations from time-to-time. While Aphanius spp. are certainly not as colourful as some of their relatives their interesting behaviour and continuous activity make them fascinating aquarium subjects and well worth a try if you possess the de…

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Aphanius splendens (KOSSWIG & SÖZER, 1945)

March 13th, 2012 — 1:24pm

The elongated, slender body profile, angular lower jaw and reduced scalation exhibited by this little-known subspecies have seen it placed in the disused genera Anatolichthys and Kosswigichthys in the past and it's still inexplicably listed as a species of Lebias by some sources (for the record Lebias has long been considered a synonym of Cyprinodon by most authorities and an ICZN committee voted to suppress the name in favour of Aphanius as recently as 2003). You're unlikely to find i…

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Epiplatys annulatus BOULENGER, 1915

Clown Killifish

March 13th, 2012 — 1:20pm

Perhaps looks best in a heavily-planted set-up or natural-style arrangement comprising a sandy substrate plus some driftwood roots and branches.

The addition of dried leaf litter would further emphasise the natural feel and as well as offering additional cover for the fish brings with it the growth of microbe colonies as decomposition occurs.

These can provide a valuable secondary food source for fry and the humic su…

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Pachypanchax sakaramyi (HOLLY, 1928)

Madagascar Panchax

March 13th, 2012 — 1:20pm

The majority of original populations have already been extirpated due to introduction of invasive species such as Gambusia holbrooki and Poecilia reticulata, ongoing deforestation of the Ambohitra Massif, and physical diversion of the source of the Sakaramy River for domestic use by locals.

An additional population may exist in a stream on the southern slope of the Ambohitra Massif on the road between Bobasokoa and Anivorano, near the village of Andranotohiliny, but this requires verification.

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Pachypanchax omalonotus (DUMÉRIL, 1861)

Powder-blue Panchax

March 13th, 2012 — 1:20pm

For a number of decades this species was thought to occur throughout much of Madagsacar’s western slope but populations immediately to the north and south of the range described above (see ‘Distribution’) are currently considered to represent unidentified species, while a number of populations from the Mahavavy du Sud and Betsiboka riv…

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Pachypanchax playfairii (GÜNTHER, 1866)

Playfair's Panchax

March 13th, 2012 — 1:20pm

Type locality is given simply as ‘Seychelles’ and this species was originally endemic to the Granitic Seychelles, i.e., those islands in the centre of the group composed chiefly of granite rock.

A translocated population now exists on Zanzibar while in the Seychelles it’s known from the islands of Mahé, Praslin, Silhouette and La Digue.

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Nothobranchius foerschi WILDEKAMP & BERKENKAMP, 1979

March 13th, 2012 — 1:20pm

Inhabits ephemeral, water-filled depressions, pools and swamps mostly located in lowland floodplains. Water levels in these seasonally-variable habitats typically decrease during the dry season and eventually become completely dessicated for several months each year.

Near Bagamoyo it’s been collected from pools of a flat, grassy floodplain alongside the congeners N. annectens, N. janpapi and N. melanospilus, while at Soga it occus together with N. janpapi and N. ocellatus. Most habitats appear to be heavily overgrown with terrestrial vegetation.

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Nothobranchius rachovii AHL, 1926

Bluefin Nothobranch

March 13th, 2012 — 1:20pm

Described from close to the city of Beira, Mozambique and for many years thought widely-distributed between the Kruger National Park, South Africa to the Kwa-Kwa River north of the Zambezi delta.

Populations from the south and north of this range exhibiting differences in colour pattern and morphology have now been described as N. pienaari and N. krysanovi, respectively, meaning N. rachovii sensu stricto is restricted to the area between the lower Pungwe and Zambezi river basins in eastern Mozambique.

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Nothobranchius eggersi SEEGERS, 1982

March 13th, 2012 — 1:20pm

Type locality is ‘Rufiji River near Utete, eastern Tanzania’, and this species is apparently endemic to the lower Rufiji including the Selous Game Reserve and freshwater parts of the Rufiji delta region.

Populations in the aquarium hobby include ‘Rufiji river camp’, ‘Kikongono’, ‘Ruhoi River’, ‘Kanga’, ‘Utete’, ‘Saadani Game Reserve’, ‘Ruvu River’, ‘Bagamoyo’, ‘Makurunge’, ‘Killimani’, ‘Chamakwese’, ‘Nyamwage’, ‘Mohoro’, and ‘Ukuni’.

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Epiplatys sexfasciatus GILL, 1862

Six-barred Panchax

March 13th, 2012 — 1:20pm

Distributed throughout coastal regions north and westwards from Gabon through Equatorial Guinea, Cameroon, Nigeria, Benin and Togo as far as Ghana although some consider it restricted to northwestern Gabon and Equatorial Guinea with the remaining populations representing various subspecies (see ‘Notes’).

Type locality is ‘Gaboon River’, which presumably refe…

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