NanoPoolMicro aquarium guide

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

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6 entries Nano Fish 6 entries Bettas & Gouramis 6 entries Shrimp 5 entries Snails & Algae Eaters 3 entries Live Plants

Nano Fish

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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. Beginner Chili Rasbora: A Tiny Red Jewel 辣椒灯鱼：微小的红色宝石 0.7 in The chili rasbora is one of the smallest and most striking nano fish available to freshwater hobbyists, and it has earned a devoted following for good reason. Beginner Pygmy Corydoras: A Tiny Bottom-Dweller 小精灵鼠鱼：微小的底栖鱼 1 in The Pygmy Corydoras is one of the smallest catfish available in the aquarium hobby, reaching only about 1 inch in length as an adult. Beginner Endler's Livebearer: A Bright Little Guppy Relative 恩氏孔雀：明亮的小型卵胎生鱼 1 in The Endler's Livebearer is a tiny, vibrant livebearing fish that has become a favorite among nano aquarium enthusiasts.

Bettas & Gouramis

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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. Beginner Sparkling Gourami: A Tiny Croaking Gem 珍珠马甲：微小的鸣叫小精灵 1.5 in The sparkling gourami is a diminutive labyrinth fish that brings big personality to a small planted aquarium. Moderate Pea Puffer: A Tiny Snail-Hunting Puffer 红眼娃娃：微小的食螺河豚 1 in The pea puffer, also known as the dwarf puffer or red-eye puffer, is a tiny freshwater fish that has become increasingly popular among nano-aquarium enthusiasts. Moderate Scarlet Badis: A Shy Micropredator 红宝石丽丽：害羞的微型捕食者 0.8 in The scarlet badis is one of those tiny freshwater fish that rewards patience more than flash.

Shrimp

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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. Beginner Ghost Shrimp: A Transparent Cleanup Shrimp 幽灵虾：透明的清洁虾 1.5 in Ghost shrimp are a popular choice for beginner aquarists looking for a low-maintenance cleanup crew. Moderate Bamboo Shrimp: A Fan-Feeding Filter Shrimp 竹节虾：扇滤食的虾 3-4 in The bamboo shrimp is a large, peaceful freshwater shrimp that has earned a devoted following among aquarists who enjoy watching unusual feeding behaviors. Beginner Blue Dream Shrimp: A Bold Blue Neocaridina 蓝梦虾：醒目的蓝色新米虾 1.5 in The Blue Dream Shrimp is a striking freshwater invertebrate that has become a favorite among aquarists for its vivid blue coloration and peaceful nature.

Snails & Algae Eaters

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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. Moderate Otocinclus: A Gentle Dwarf Algae Eater 小精灵鱼：温和的微型食藻鱼 1.5-2 in The Otocinclus, often called the dwarf algae eater or simply "oto," is a small, peaceful catfish that has become a favorite among planted aquarium enthusiasts. Moderate Siamese Algae Eater: A Hardworking Grazer 泰国飞狐：勤奋的刮藻鱼 5-6 in The Siamese Algae Eater is one of the most useful grazing fish available to freshwater hobbyists, prized for its appetite for algae that many other tank inhabitants ignore.

Live Plants

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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.