Flussgrundel (Rhinogobius similis)

A bottom-dwelling stream goby with fused pelvic fins; demands live foods and pristine, cool water.

Pflegeparameter

Temperatur
18–26 °C
pH
7–8.2
GH-Härte
8–18 dGH
Größe ausgewachsen
4–6 cm
Mindestaquarium
30 L
Schwimmebene
Bottom; perches on stones
Schwierigkeit
Anspruchsvoll
Charakter
Territorial toward its own kind; ignores other species
Herkunft
Central & southern China — streams south of the Yangtze

Artübersicht

The Amur goby is a bottom-perching character with fused pelvic fins forming a suction disc. It watches the world from its favorite stone and sips live prey from the current. It refuses most dry foods, so keep it where frozen bloodworm and live foods are routine.

Natürlicher Lebensraum

Lebensraum
Rocky shallows of clear streams
Strömung
Moderate to strong
Gelöster Sauerstoff
Likes well-oxygenated water

Aquascaping & Technik

Substrat
Smooth gravel and pebbles it can grip
Harte Dekoration
Flat stones arranged as lookout perches
Pflanzen
Minimal; a few Anubias on rocks

Charakter, Fütterung & Vergesellschaftung

Schwarmverhalten
One male per tank; pairs in larger tanks
Fütterung
Carnivore; insists on live and frozen foods
Empfohlene Mitbewohner
  • Fast mid-water minnows — Stay above its zone
  • Hillstream loach — Different niche, same flow
  • Amano shrimp — Large enough to be safe
Nicht vergesellschaften mit
  • Other male gobies — Constant turf wars
  • Slow bottom fish — Outcompeted for food
  • Small shrimp — Hunted

Zucht & Hinweise

Geschlechtsdimorphismus
Males grow larger with bolder head markings; females are smaller and drabber
Fortpflanzungsart
Cave and crevice spawner; the male guards adhesive eggs on the underside of stones.