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  • Nano Fish
    • 13 Best Nano Fish
    • Chili vs Phoenix Rasbora
  • Care
    • Ember Tetra
    • Chili Rasbora
    • Kubotai Rasbora
    • Medaka Ricefish
  • Breeding
    • Breeding Nano Fish: Start Here
    • Ember Tetra
    • Ember Tetra Eggs
    • Chili Rasbora
    • Kubotai Rasbora
    • Celestial Pearl Danio
    • Scarlet Badis
    • Pygmy Corydoras
    • Pseudomugil Gertrudae
  • Live Food
    • Microworm Culture
    • Daphnia Culture
  • Equipment
    • Sponge Filters
    • LED Plant Lights
  • Problems
    • Why Nano Fish Lose Color
    • Why Galaxy Rasboras Died

Guides

    Nano FishAll 5
    • Spotted Blue Eye Rainbowfish Care: Tank, Diet and Mates
    • Aquarium Fish Stock Calculator: How Many Fish Fit in Your Nano Tank
    • Best Fish for a 20 Gallon Aquarium: 24 Picks, Stocking Plans and What to Avoid
    • Chili Rasbora vs Phoenix Rasbora: How to Tell the Difference
    • 15 Best Nano Fish for Small Aquariums: Care & Tank Size
    CareAll 12
    • Flame Moss Care Guide (Taxiphyllum sp. ‘Flame’)
    • Norman’s Lampeye Care: The Complete Guide
    • Spotted Blue Eye Rainbowfish Care: Tank, Diet and Mates
    • Scarlet Badis Care: Tank Size, Diet, Breeding and Shrimp Safety
    • Celestial Pearl Danio Care: Tank, Group, Food & Breeding
    • Pygmy Corydoras Care: Tank Size, Water, Food, Tank Mates & Breeding
    • Filterless Nano Aquarium: Rules, Limits & Failures
    • Kubotai Male vs Female: How to Tell Them Apart
    • Ember Tetra Care: Tank Size, Lifespan, Tank Mates & Problems
    • Medaka Ricefish (Japanese Ricefish): Expert Care Guide
    • Chili Rasbora Care: Tank Size, Food & Tank Mates
    • Kubotai Rasbora Expert Care: Size, Tank Mates, Diet & Breeding
    BreedingAll 9
    • Ember Tetra Eggs: What They Look Like & How to Hatch Them
    • Kubotai Rasbora Breeding: Setup, Eggs & Fry Guide
    • Pseudomugil Gertrudae Breeding: Spotted Blue-Eye Eggs, Fry & Tank Setup
    • How to Breed Pygmy Corydoras: Eggs, Temperature & Fry Care
    • Ember Tetra Breeding: Tank Setup, Spawning and Fry Care
    • Easy Nano Fish to Breed (Ranked) and How to Breed Them
    • Chili Rasbora Breeding: Tank Setup, Eggs and Fry Care
    • Celestial Pearl Danio Breeding: Galaxy Rasbora Eggs, Fry & Setup
    • Scarlet Badis Breeding: Eggs, Fry, Male vs Female & Tank Setup
    Live FoodAll 2
    • Daphnia Culture at Home: Setup, Feeding & Troubleshooting
    • Microworm Culture for Fish Fry: How to Culture Microworms Step by Step
    EquipmentAll 5
    • Aquarium Algae Scraper Guide: Safe Picks for Glass and Acrylic Tanks (2026)
    • Aquarium Light Guide: PAR, Tank Size, Hours and the Best LEDs (2026)
    • Best Aquarium Heaters: Picks by Tank Size (2026)
    • Best Sponge Filters for Nano Tanks: Size & Setup Guide
    • Best LED Aquarium Lights for Plants: 5 Options Compared
    ProblemsAll 2
    • Why Nano Fish Lose Color: Causes and Fixes
    • Why Your Galaxy Rasboras Died: 7 Real Causes (and How to Save the Rest)
    Home

    Adrian XH

    Adrian XH is a lifelong aquatics enthusiast specializing in nano fish care, selective micro-species breeding, and natural ecosystem aquascaping. With years of hands-on experience maintaining stable environments, he blends practical expertise with deep research to help hobbyists. He also keeps a Bull Shark in an Aquarium.

    Flame Moss Care Guide (Taxiphyllum sp. ‘Flame’)

    by Adrian XH
    flame moss

    Flame moss care made simple: light, CO2, planting, trimming, and how to build a flame moss carpet. Every number sourced.

    Categories Care Leave a comment

    Aquarium Algae Scraper Guide: Safe Picks for Glass and Acrylic Tanks (2026)

    by Adrian XH
    aquarium algea scraper

    Aquarium scraper guide: the best aquarium algae scraper for glass and acrylic tanks, with prices, scratch-risk ratings and magnet sizing by glass thickness.

    Categories Equipment Leave a comment

    Aquarium Light Guide: PAR, Tank Size, Hours and the Best LEDs (2026)

    by Adrian XH
    https://nanofishnest.com/aquarium-light/

    Watts tell almost nothing. This aquarium light guide shows how much light fish, plants and corals need, what size LED fits each tank, and how long to run it.

    Categories Equipment Leave a comment

    Norman’s Lampeye Care: The Complete Guide

    by Adrian XH
    Norman's Lampeye Care

    Norman’s lampeye care rests on five rules. Poropanchax normani is a 3 to 4 cm shoaling killifish from the savanna streams of West and Central Africa, from Senegal to Lake Chad. Both sexes carry a blue reflective patch in the upper iris. The patch reflects light and does not glow, so a school of 20 … Read more

    Categories Care Leave a comment

    Spotted Blue Eye Rainbowfish Care: Tank, Diet and Mates

    by Adrian XH
    spotted blue eye care

    Spotted blue eye care: tank size, group ratio, water, feeding and tank mates, with the facts that care sheets often get wrong.

    Categories Care, Nano Fish Leave a comment

    Scarlet Badis Care: Tank Size, Diet, Breeding and Shrimp Safety

    by Adrian XH
    scarlet badis care guide

    Scarlet badis care is mostly a feeding problem. Dario dario is a micropredator from the Brahmaputra basin of India, 1.5 to 2 cm long, and it hunts tiny live animals. It does not reliably eat flakes or pellets. The tank itself is simple: a 45 × 30 cm base, a mature sponge filter, dense plants, … Read more

    Categories Care Leave a comment

    Celestial Pearl Danio Care: Tank, Group, Food & Breeding

    by Adrian XH
    Celestial Pearl Danio Care

    Care for Danio margaritatus: tank size, group, water, food, tank mates and breeding, plus the pigment, anatomy and field findings most guides skip.

    Categories Care Leave a comment

    Pygmy Corydoras Care: Tank Size, Water, Food, Tank Mates & Breeding

    by Adrian XH
    Pygmy Corydoras care

    Pygmy corydoras care backed by research: tank footprint, group size, 22 to 26 °C water, tiny foods, safe tank mates, normal midwater behavior and breeding.

    Categories Care Leave a comment

    Aquarium Fish Stock Calculator: How Many Fish Fit in Your Nano Tank

    by Adrian XH
    Illustration of a 60 by 30 cm aquarium holding ten ember tetras, the 54-litre example in the aquarium fish stock calculator

    Free aquarium fish stock calculator for nano tanks. Check adult size, swimming space, school sizes and water compatibility, with sources behind the advice.

    Categories Nano Fish Leave a comment

    Best Aquarium Heaters: Picks by Tank Size (2026)

    by Adrian XH
    Aquarium heater glowing amber in a planted nano tank, with warm temperature contours and a school of ember tetras

    Find the right aquarium heater fast. Match wattage to your tank size and room temperature, then see top picks from 5 to 100+ gallons.

    Categories Equipment Leave a comment
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    Recent Posts

    • Flame Moss Care Guide (Taxiphyllum sp. ‘Flame’)
    • Aquarium Algae Scraper Guide: Safe Picks for Glass and Acrylic Tanks (2026)
    • Aquarium Light Guide: PAR, Tank Size, Hours and the Best LEDs (2026)
    • Norman’s Lampeye Care: The Complete Guide
    • Spotted Blue Eye Rainbowfish Care: Tank, Diet and Mates

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