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Freshwater Aquarium

Coldwater Aquarium

An unheated freshwater aquarium for cold-tolerant species - goldfish, white cloud minnows, hillstream loaches.

Difficulty: Beginner Tank Size: 20g+ Recommended: 40g

📖 Overview

Coldwater tanks operate at room temperature or below - no heater required. Goldfish, particularly fancy varieties like Ryukin and Oranda, are the classic coldwater fish. White cloud mountain minnows, dojo loaches, and hillstream loaches also thrive.

💧 Essential Parameters

Temperature: 60-72 F. pH: 6.8-7.8. GH: 6-15 dGH. Highly oxygenated, well-filtered (goldfish are messy).

🐟 Suitable Species

Ewaso Nyiro labeo
Labeo percivali
Schizothorax Curvilabiatus
Schizothorax curvilabiatus
Ghatsa Silasi
Ghatsa silasi
Common nase
Chondrostoma nasus
Attentive carplet
Amblypharyngodon melettinus
Labeobarbus Jubae
Labeobarbus jubae
Schizothorax Oligolepis
Schizothorax oligolepis
Hemiculter Krempfi
Hemiculter krempfi
Amur minnow
Rhynchocypris lagowskii
Porthole Rasbora
Rasbora cephalotaenia
Labeobarbus Rocadasi
Labeobarbus rocadasi
Sinocyclocheilus Lateristriatus
Sinocyclocheilus lateristriatus
Homalopteroides Avii
Homalopteroides avii
Enteromius Atromaculatus
Enteromius atromaculatus
Eirmotus Octozona
Eirmotus octozona
Lepidocephalichthys Goalparensis
Lepidocephalichthys goalparensis
Borax Lake chub
Siphateles boraxobius
Jerdon's carp
Hypselobarbus jerdoni
Acrossocheilus Aluoiensis
Acrossocheilus aluoiensis
Labeo Simpsoni
Labeo simpsoni
Leuciscus Latus
Leuciscus latus
Bordallo
Squalius carolitertii
Luciobarbus Albanicus
Luciobarbus albanicus
Squalius Vardarensis
Squalius vardarensis
Luciosoma Bleekeri
Luciosoma bleekeri
Dongnai mahseer
Tor dongnaiensis
Metzia Alba
Metzia alba
Vanmanenia Tetraloba
Vanmanenia tetraloba
Sabah Danio
Nematabramis everetti
Neolissochilus Qiaojiensis
Neolissochilus qiaojiensis

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