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Aphyosemion bochtleri RADDA, 1975

March 21st, 2012 — 8:51am

Described from a rainforest stream near the settlement of Mintoum, northern Gabon and has a wider distribution in the upper Ivindo River basin, a tributary of the larger Ogooué system.

Thi species was considered synonymous with the congener A. herzogi Radda 1975 for a number of years but is currently recognised as distinct.

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Aphyosemion elberti (AHL, 1924)

March 20th, 2012 — 11:09pm

This species’ currently accepted range stretches from eastern Nigeria (Mbam River) across central Cameroon (via the Sanaga River system of which the Mbam is a tributary) and across the border into Central African Republic (upper Mambéré basin).

It was described from ‘Jade Plateau, Cameroon’, this apparently corresponding to the Lebo River which lies in what is now the Central African Republic and presumably forms part of the Mambéré headwaters.

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Aphyosemion hanneloreae RADDA & PÜRZL, 1985

March 20th, 2012 — 10:25pm

Type locality is Malinga, located in the middle of the Du Chaillu mountain range in Ngounié province, southern Ghana. This lies very close to Republic of the Congo, and the species may also occur across the border.

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Aphyosemion sp. 'Oyo' RPC 91/8

March 20th, 2012 — 10:06pm

This undescribed species is a member of the A. elegans group of closely-related species within the genus.

Collected for the aquarium hobby in 1991 from close to the town of Oyo, Cuvette department, Republic of the Congo. The town lies on the Alima River, a right bank tributary of the middle Congo system.

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Adinia xenica (JORDAN & GILBERT, 1882)

Diamond Killifish

March 13th, 2012 — 1:26pm

This species is not a common aquarium species but is occasionally available from specialist retailers or breeders. It was initially named Adinia multifasciata by Girard (1859) before later being redescribed as Fundulus xenicus (mispelled 'Fundnlus') by Jordan and Gilbert (1882).

Body stout and trapezoidal in adults, body depth usually 2 to 3 times in standard length; scales large, fewer than 30 scales along midlateral scale row…

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Cualac tessellatus MILLER, 1956

Checkered Pupfish

March 13th, 2012 — 1:25pm

Endemic to a handful of natural springs in the Río Verde valley, San Luis Potosí state, Central Mexico. The valley is believed to have once been filled by a large lake and the relict springs are part of the elevated Río (river) Verde basin which later drains into the much larger Río Pánuco system. Much of the aquatic fauna found in the valley is endemic to the area but in many cases threatened by introduced species.

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Aphanius vladykovi COAD, 1988

March 13th, 2012 — 1:24pm

The Iranian Plateau is home to a diverse group of Aphanius with four species already described and several awaiting description. These are among the most ancient in the genus having divereged away from a common ancestor around 20 – 24 million years ago. Among them this species is most closely related to A. sophiae from the Kor River system but can be distinguished by differences in patterning. Males of A. sophiae lack the characteristic darkcolouration seen in A. vladykovi and females possess a …

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Aphanius saourensis BLANCO, HRBEK & DOADRIO, 2006

March 13th, 2012 — 1:24pm

All Algerian Aphanius populations were considered to be representative of A. iberus until this species was described in 2006. It differs both morphologically and genetically from A. iberusand A. baeticus, probably diverging about 5.3 million years ago during the opening of the Straits of Gibraltar. It is most easily distinguished by the distinct mottled body patterning which in males of the other two species forms distinct vertical bars and in females dark spot-like markings. A. iberusis now k…

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Aphanius villwocki HRBEK & WILDEKAMP, 2003

March 13th, 2012 — 1:24pm

Prior to its description this species had been considered a form of A. anatoliae and also referred to as A. sp. aff. danfordii but collections in the early part of this century motivated new studies and resulted in its elevation to full species level. Phylogenetic analyses have shown it to represent the sister group to all other Anatolian Aphanius spp.

The Anatolia region represents a centre of diversity for the genus with ten endemic species described to date. These are thought to have diverged …

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Aphanius mento (HECKEL, 1843)

March 13th, 2012 — 1:24pm

This species has something of a confused history having been previously been considered synonymous with both A. sophiae (a separate species native to Iraq and Iran) and A. cypris (currently considered a junior synonym of A. mento). Although some populations occur close to and even sympatric with other members of the genus in Turkey phylogenetic studies have shown it to be more closely-related to the Middle Eastern species A. dispar dispar, A. d. richardsoni, A. ginaonis and A. sirhani. It's…

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