1 kinds · tap one for a closer look
Males are aggressive toward each other; keep one male per tank section with several females.
265 species in our list are a good match.
Males are aggressive toward each other; keep one male per tank section with several females.
Live and frozen foods such as bloodworms, daphnia and brine shrimp.
Tap a food to see what it is.
Males are larger and blue-green with two or three red bars on the gill cover and a red tail with a black rear edge; females are smaller, yellowish brown and unmarked.
Common problems. Tap one to see the signs. This is a guide, not a diagnosis.
Annual egg-burier (peat spawner) · Moderate
Annual killifish that spawns into peat; the adults die when the pools dry and the eggs wait in the mud. In aquaria the damp peat is stored for about 8-14 weeks before wetting.
One male with 2-3 females.
Bare 20 L tank with a bowl of peat for spawning.
Warm water and live food.
Dry the peat until damp, store it sealed at 21-24 °C for about 8-14 weeks, then wet it. If few hatch, dry and rewet a few weeks later.
Baby brine shrimp from day one.
An annual killifish found only on Unguja (Zanzibar), named after the zoologist Albert Günther and described by Pfeffer in 1893. One of the easier Nothobranchius, it is listed as Endangered by the IUCN because its pools are being lost to farming.
German zoologist Georg Pfeffer described this killifish in 1893. Its red, yellow and blue males are among the classic annual killifish of the hobby.
First described by Georg Pfeffer in 1893. Named for Named after zoologist Albert Günther.
15 facts checked with sources
Pfeffer, 1893 (as Fundulus guentheri). Costa (2017) found it had long been confused with N. melanospilus, also on Zanzibar; museum and probably hobby stock labelled guentheri may be misidentified.
Eschmeyer's Catalog of Fishes: genus NothobranchiusLegacy had no family. Some authors (Costa) place Nothobranchius in a wider Aplocheilidae; FishBase and Catalog of Fishes use Nothobranchiidae.
FishBase: Nothobranchius guentheri · Eschmeyer's Catalog of Fishes: genus NothobranchiusSL (standard length): Seriously Fish males 4.1 cm, females 3.2 cm; FishBase 3.5 cm SL. Size rule: larger figure used. Total length is roughly 1 cm more. Legacy 6 is too large.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · FishBase: Nothobranchius guentheriBoth sources 22-25 °C; legacy 18-26. Wild pools measured 25-29 °C (Seriously Fish).
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · FishBase: Nothobranchius guentheriWithin Seriously Fish's 6.5-8.0; wild pools pH 7.2-7.7. Legacy 'hard water' mistake is doubtful given these wild values.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · FishBase: Nothobranchius guentheriLegacy had no hardness; Seriously Fish gives none.
FishBase: Nothobranchius guentheri45 x 30 x 30 cm = 40,500 cm³ ≈ 41 L.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch)One male plus 2-3 females.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch)FishBase says 'difficult to maintain'.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch)Legacy also listed the Kenyan and Tanzanian coast; Costa (2017) restricts it to Unguja.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · FishBase: Nothobranchius guentheriLegacy '2-3 months' fits.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · FishBase: Nothobranchius guentheriLegacy 8-12 weeks lies within 8-14. Temperature strongly sets timing (Markofsky & Matias 1977, cited by Genade). No sourced egg count.
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch) · Genade, Laboratory manual for culturing N. furzeri (2005, updated 2016; hobby/lab reference)Legacy 'Kenyan and Tanzanian coast' removed (see nativeRange).
Seriously Fish: Nothobranchius guentheri (Gunther's Nothobranch)