Medaka (Oryzias latipes)

Familie: Adrianichthyidae

Ein friedlicher, allesfressender Süßwasserfisch aus der Familie der Adrianichthyiden, heimisch in Japan, die koreanische Halbinsel, China. Haltung einsteigerfreundlich.

Pflegeparameter

Temperatur
15–28 °C
pH
7–8.5
GH-Härte
5–20 dGH
Größe ausgewachsen
2–3 cm
Mindestaquarium
20 L
Schwimmebene
Upper; hangs at surface
Schwierigkeit
Einfach
Charakter
Completely peaceful
Herkunft
East Asia — rice paddies from China to Japan

Artübersicht

The medaka is a two-centimeter survivor that has ridden rice agriculture for millennia. It is the classic outdoor-tub fish of East Asia — breeding in every season and asking only for clean water and sunlight.

Natürlicher Lebensraum

Lebensraum
Warm shallow paddies, ditches and tubs
Strömung
Still to very gentle
Gelöster Sauerstoff
Surface air-gap tolerant

Aquascaping & Technik

Substrat
Fine sand or bare bottom
Harte Dekoration
Floating plants and a few twigs
Pflanzen
Dense floaters for fry survival

Charakter, Fütterung & Vergesellschaftung

Schwarmverhalten
8+; larger groups breed readily
Fütterung
Omnivore; fine flakes and daphnia
Empfohlene Mitbewohner
  • Other medaka — The more the merrier
  • White cloud minnow — Same cool-water niche
  • Nerite snails — Clean-up crew
Nicht vergesellschaften mit
  • Anything with a big mouth — Medaka are bite-sized
  • Betta splendens — Bullied relentlessly
  • Strong currents — Exhausts them

Zucht & Hinweise

Geschlechtsdimorphismus
Males are smaller with longer fins; females swell noticeably with eggs
Fortpflanzungsart
Daily egg-layer; spawns among floating roots; eggs hatch in 1–2 weeks.

Häufige Fragen

Ist Japanese killifish pflegeleicht?

Anfängergeeignet und fehlerverzeihend. Peaceful. Keep 6+; larger groups settle better.

Welche Temperatur und welches Wasser braucht Japanese killifish?

Ideal sind 18–24 °C ohne starke Schwankungen.

Wie groß wird Japanese killifish und welches Aquarium?

Wird 2.8–4 cm; lebt upper; surface-oriented; keep 6+. Mindestens 40 L.

Was frisst Japanese killifish?

Omnivore; quality prepared foods with variety. Ergänze Futter mit Frost- oder Lebendfutter.

Kann man Japanese killifish vergesellschaften?

Peaceful; Keep 6+; larger groups settle better. Gute Partner: Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs.Nicht mit Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

Woher stammt Japanese killifish?

Aus 日本、朝鲜半岛: clear streams, rivers and still waters, mit still to very gentle water.

Springt Japanese killifish?

Geringes Risiko, Deckel trotzdem sinnvoll.

Wie züchtet man Japanese killifish?

In der Zucht: egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes. Males are typically slimmer and more intensely colored; females fuller-bodied.