Pez medaka (Oryzias latipes)

Familia: Adrianichthyidae

Pez de agua dulce pacífico y omnívoro, de la familia de los adrianictíidos, originario de Japón, la península de Corea y China. Cuidado para principiantes.

Parámetros de cuidado

Temperatura: 15–28 °C
pH: 7–8.5
Dureza GH: 5–20 dGH
Tamaño adulto: 2–3 cm
Tanque mínimo: 20 L
Capa de nado: Upper; hangs at surface
Dificultad: Fácil
Temperamento: Completely peaceful
Origen: East Asia — rice paddies from China to Japan

Descripción de la especie

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.

Biotopo natural

Hábitat: Warm shallow paddies, ditches and tubs
Corriente: Still to very gentle
Oxígeno disuelto: Surface air-gap tolerant

Paisaje y equipo

Sustrato: Fine sand or bare bottom
Decoración dura: Floating plants and a few twigs
Plantas: Dense floaters for fry survival

Temperamento, dieta y compañeros

Sociabilidad: 8+; larger groups breed readily
Dieta: Omnivore; fine flakes and daphnia
Compañeros recomendados: Other medaka — The more the merrier
White cloud minnow — Same cool-water niche
Nerite snails — Clean-up crew
Evitar con: Anything with a big mouth — Medaka are bite-sized
Betta splendens — Bullied relentlessly
Strong currents — Exhausts them

Cría y notas

Dimorfismo sexual: Males are smaller with longer fins; females swell noticeably with eggs
Método de cría: Daily egg-layer; spawns among floating roots; eggs hatch in 1–2 weeks.

Preguntas frecuentes

¿Es fácil cuidar a Japanese killifish?

Apto para principiantes. Peaceful. Keep 6+; larger groups settle better.

¿Qué temperatura y agua necesita Japanese killifish?

Rango ideal: 18–24 °C. Evita cambios bruscos.

¿Qué tamaño alcanza Japanese killifish y qué acuario necesita?

Alcanza 2.8–4 cm; es upper; surface-oriented; keep 6+. Acuario mínimo de 40 L.

¿Qué come Japanese killifish?

Omnivore; quality prepared foods with variety. Combina pienso con alimentos congelados o vivos.

¿Puede convivir Japanese killifish con otros peces?

Peaceful; Keep 6+; larger groups settle better. Buenos compañeros: Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs.No convive con Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

¿De dónde es originario Japanese killifish?

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

¿Japanese killifish salta?

Riesgo bajo, aunque la tapa siempre es útil.

¿Cómo se reproduce Japanese killifish?

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