MICRO AQUARIUM GUIDE
Stock your small tank with confidence.
Clear guides to nano fish, shrimp, snails, and plants — how to set up, feed, and keep a small aquarium healthy and humane.
Care level key
- Beginner Hardy and forgiving
- Moderate Needs stable water and experience
Browse by type
Nano Fish
All Nano Fish →
Beginner
Neon Tetra: The Classic Nano Schooling Fish
霓虹灯鱼：经典的微型群游鱼
1.5 in
The neon tetra is one of the most recognizable and beloved nano fish in the freshwater aquarium hobby.
Beginner
Ember Tetra: A Tiny Orange Glow
火尾灯鱼：微小的橙色光点
0.8 in
The ember tetra is a diminutive freshwater fish that has become a favorite among nano aquarium enthusiasts.
Beginner
Celestial Pearl Danio: A Speckled Nano Jewel
银河斑马：带斑点的微型宝石
0.8 in
The celestial pearl danio is one of the most striking small freshwater fish available to home aquarists, and it has become a favorite in the nano aquarium world since it first appeared in the hobby.
Bettas & Gouramis
All Bettas & Gouramis →
Beginner
Betta: A Solitary Showpiece Fish
斗鱼：独居的展示鱼
2.5-3 in
The Betta, often called the Siamese fighting fish, is a small, colorful freshwater fish that has become a staple in the home aquarium.
Beginner
Dwarf Gourami: A Colorful Labyrinth Fish
丽丽鱼：色彩斑斓的迷鳃鱼
2-3 in
The dwarf gourami is a small, colorful labyrinth fish that has been a favorite among freshwater aquarists for decades.
Beginner
Honey Gourami: A Gentle Golden Dwarf
蜂蜜丽丽：温和的金色小个子
2 in
The honey gourami is one of the most approachable small labyrinth fish available to home aquarists, and it has earned a lasting reputation as a gentle centerpiece for peaceful community tanks.
Shrimp
All Shrimp →
Beginner
Red Cherry Shrimp: The Hardy Beginner Shrimp
红樱桃虾：皮实的入门虾
1.5 in
The red cherry shrimp is one of the most forgiving freshwater invertebrates a beginner can keep, and it has earned a reputation as the hardy入门 shrimp of the planted nano tank.
Beginner
Amano Shrimp: The Algae-Eating Workhorse
大和沼虾：吃藻的主力
2 in
Amano shrimp are among the most popular freshwater invertebrates for planted aquariums, prized for their relentless appetite for algae and their peaceful nature.
Moderate
Crystal Red Shrimp: A Delicate Show Shrimp
水晶红虾：娇贵的观赏虾
1.2 in
Crystal Red Shrimp are a striking freshwater invertebrate prized for their vivid red and white banding.
Snails & Algae Eaters
All Snails & Algae Eaters →
Beginner
Nerite Snail: The Algae Cleaner That Won't Overrun
斑马螺：不泛滥的食藻螺
1 in
The nerite snail is one of the most popular algae-eating invertebrates in the freshwater aquarium hobby, prized for its voracious appetite for algae and its inability to reproduce in freshwater.
Beginner
Mystery Snail: A Large and Peaceful Cleaner
神秘螺：大型温和的清道夫
2 in
The mystery snail is a large, peaceful freshwater snail that has become a favorite among beginner and experienced aquarists alike.
Beginner
Ramshorn Snail: A Tiny Prolific Cleaner
扁卷螺：微小而多产
0.5-1 in
The ramshorn snail is a small, peaceful freshwater snail that has earned a place in many home aquariums as a diligent cleaner.
Live Plants
All Live Plants →
Beginner
Java Moss: The Versatile Nano Plant
爪哇莫斯：百搭的微型水草
Spreads 1-4 in
Java moss is one of the most forgiving and adaptable live plants you can add to a nano aquarium.
Beginner
Anubias: The Hardy Low-Light Plant
水榕：皮实的低光水草
Height 4-8 in
Anubias is one of the most forgiving live plants you can add to a freshwater aquarium, making it a favorite among beginners and experienced hobbyists alike.
Moderate
Dwarf Hairgrass: A Fine-Leaved Carpet Plant
矮珍珠草：细叶的草皮水草
Height 1-3 in
Dwarf hairgrass is one of the most popular carpeting plants in the freshwater hobby, prized for the way it knits itself into a soft, lawn-like foreground over time.