fintofur

Goldfish

Easy carefreshwater
Carassius auratus
Goldfish

Overview

The goldfish is a freshwater fish in the family Cyprinidae of the order Cypriniformes.

Water Parameters

Parameter Value
Temperature 10–23°C (50–73°F)
pH 6.5–8.5
Adult Size 20–30 cm (8–12 in)
Min Tank 30 gallons
Lifespan 10–15 years

Tank Setup

Feeding

Omnivore — sinking pellets, blanched vegetables, earthworms

Compatibility

Breeding


Image credit: Wikimedia Commons — licensed CC BY-SA 4.0.

Taxonomic data: *Carassius auratus (Linnaeus, 1758) * — GBIF (2026). Wikipedia summary: Goldfish — CC BY-SA 4.0.

Care parameters cross-referenced with Seriously Fish.

Quick facts & gear

Min tank size
30 gallons
Temperature
10–23°C (50–73°F)
pH range
6.5–8.5
Adult size
20–30 cm (8–12 in)
Lifespan
10–15 years
Origin
Member of family Cyprinidae, order Cypriniformes. See species profile for distribution details.
Diet
Omnivore —sinking pelletsblanched vegetablesearthworms