Acipenseridaefreshwater fishintermediate

Sterlet Sturgeon Small

Acipenser ruthenus

Origin: Eastern Europe (captive bred)

S

Water Parameters

Temperature422 °C
15 °C35 °C
pH78
49
GH (Hardness)820 °dGH
0 °dGH30 °dGH
KH (Alkalinity)410 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
120 cm
Min Tank
4000 L
Lifespan
25-40
Swimming Level
bottom
Schooling
No
Diet
carnivore
Temperament
Peaceful toward other pond fish. May be outcompeted for food by faster-feeding species; ensure sturgeon receives adequate nutrition. Does not harm smaller fish directly.

About

The Sterlet Sturgeon is a prized coldwater pond species whose sleek, scute-armored body and graceful, gliding movement captivate pond keepers across Europe. This small-grade fish is already showing the distinctive row of scutes and the upturned heterocercal tail that define the sturgeon family. A bottom-oriented feeder with a projecting rostrum and barbels for sensing food, it requires a large pond with excellent water quality and high dissolved oxygen levels.

Care Guide

Requires a minimum 4,000 L pond with strong filtration and high oxygenation. Feed specialist sinking sturgeon pellets 2–3 times daily; supplement with earthworms and frozen bloodworm. Avoid very high summer temperatures — ensure pond depth allows cool retreats. Never house with aggressive pond fish. A sand or fine gravel bottom allows natural feeding behavior. Do not keep in small ornamental ponds.

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