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Aphyosemion erythron

Reddish Lyretail

(Sonnenberg, 2008)Formerly Chromaphyosemion erythron Sonnenberg, 2008

Last revised 2026Edit this page

On this page4 sections
Adult male specimen; collection details unspecified...
Adult male specimen; collection details unspecified...Diane Brown

Quick factsEdit

Max size
25mm SL1.0in SL
Aquarium size
not recorded
Temp
not recorded
pH
not recorded
Hardness
not recorded

Difficulty1 of 8 measures

Not enough data to rate

How the rating is worked out

Space
small tank
Water
unknown
Temp
unknown
Diet
unknown
Temperament
unknown
Social
unknown
Compatibility
unknown

Other demands

Each of these can raise the rating on its own, whatever the measures above say.

Hardiness
unknown

The reddish lyretail, Aphyosemion erythron, is a small killifish that appears endemic to southwestern Equatorial Guinea. Described from Río Muni, it has also been collected in the Río Aye, Río Ecucu and lower Río Benito drainages. It was referred to as A. sp. Ecurya before its description.

Etymology

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Aphyosemion: from the Greek aphúe (Gr. ἀφύη), meaning 'a small fish', and semeion (Gr. σημεῖον), meaning 'banner, flag', in reference to the "ornamented, often lyre-shaped" caudal fin in male individuals of genus members.

erythron: from the Greek eruthrós (Gr. ἐρῠθρός), meaning 'red, reddish', in reference to this species' colour pattern which comprises rows of red dots on the fins and flanks.

Distribution

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Described from Río Muni, Equatorial Guinea and appears endemic to south-western parts of the country, with additional collections having occurred in the Río Aye, Río Ecucu and lower Río Benito drainages.

Notes

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This species was referred to as A. sp. Ecurya prior to description.