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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.

    Why Your Galaxy Rasboras Died: 7 Real Causes (and How to Save the Rest)

    by Adrian XH
    why-my-galaxy-rasboras-died

    Some equipment links in this guide are affiliate links. If you buy through one I may earn a small commission at no extra cost to you, and it does not change what I recommend. For other small species, see the nano fish guide. Your water tested perfect and your fish still died. That sentence describes … Read more

    Categories Troubleshooting Leave a comment

    Best Sponge Filters for Nano Tanks: Size & Setup Guide

    by Adrian XH
    Best Sponge Filter for Nano Tanks

    Choosing a nano sponge filter? For a 5–10 gallon aquarium, start with the Hikari Bacto-Surge Mini and Aquarium Co-Op Easy Flow Nano. Compare their full height and footprint, then adjust airflow to suit your betta, shrimp or fry. If you want two removable sponges and media chambers, consider the Hygger HG-908 after checking its assembled … Read more

    Categories Equipment Leave a comment

    Daphnia Culture at Home: Setup, Feeding & Troubleshooting

    by Adrian XH
    Daphnia Culture at Home

    Want a dependable supply of live food for your aquarium? Start with a clean container, suitable freshwater, a healthy live starter and just enough suspended food to sustain it. The difficult part of daphnia culture at home is not buying equipment. It is keeping food, oxygen and water quality in balance as the population grows. … Read more

    Categories Food Culture Leave a comment

    Kubotai Rasbora Breeding: Setup, Eggs & Fry Guide

    by Adrian XH
    Kubotai Rasbora Breeding

    Kubotai rasboras can breed in a mature planted aquarium, but finding the eggs is often easier than raising the fry. Adults scatter eggs among plants and provide no parental care. The newly free-swimming fry need food small enough to swallow, and the spawning setup must protect eggs without sacrificing water quality. Compare it with other … Read more

    Categories Breeding Leave a comment

    Pseudomugil Gertrudae Breeding: Spotted Blue-Eye Eggs, Fry & Tank Setup

    by Adrian XH
    pseudomugil gertrudae breeding

    Pseudomugil gertrudae breeding is easy to start and hard to finish. The spotted blue-eye (also called Gertrude’s blue-eye) spawns daily in a small group with a spawning mop or Java moss. The eggs usually hatch in 10 to 14 days, though sources range from 4 days to 3 weeks. The fry are tiny and need … Read more

    Categories Breeding Leave a comment

    Best LED Aquarium Lights for Plants: 5 Options Compared

    by Adrian XH
    best light for planted aquarium with scientific visuals

    The best LED aquarium light for plants is one that fits your tank, gives you useful brightness control, and suits the plants you want to grow. Compare the five options below by fit, controls and trade-offs. For PAR, tank depth and hours, see the aquarium light guide. This is an editorial comparison, not a controlled … Read more

    Categories Equipment Leave a comment

    How to Breed Pygmy Corydoras: Eggs, Temperature & Fry Care

    by Adrian XH
    Pygmy Corydoras care

    Breeding pygmy corydoras is possible in a well-maintained home aquarium, but finding eggs is only the beginning. To raise healthy juveniles, you need mature breeding fish, safe egg protection, suitable first foods and stable water. Compare pygmy corydoras with other small species in the nano fish list. If you are searching for how to breed … Read more

    Categories Breeding Leave a comment

    Ember Tetra Breeding: Tank Setup, Spawning and Fry Care

    by Adrian XH
    nano fish

    To breed ember tetras (Hyphessobrycon amandae), prepare a mature planted spawning tank, condition healthy adults, protect their eggs, and have microscopic fry food ready. Getting them to spawn is only the first challenge; raising their almost invisible fry takes more care. Compare ember tetras with other small species in the nano fish guide. These tiny … Read more

    Categories Breeding Leave a comment

    15 Best Nano Fish for Small Aquariums: Care & Tank Size

    by Adrian XH
    nano fish

    The best nano fish is one that fits your water, tank dimensions and feeding routine. Ember tetras are a practical choice for a peaceful planted community; Endler’s livebearers suit harder water; chili rasboras need a quiet, mature aquarium with soft, acidic water. Small size alone does not make a nano fish suitable for a tiny … Read more

    Categories Nano Fish 1 Comment

    Microworm Culture for Fish Fry: How to Culture Microworms Step by Step

    by Adrian XH
    microworm for fish fry

    Microworms (also spelled micro worms) are 1.5 to 2 mm nematodes (Panagrellus redivivus) that grow on moist oats or instant mashed potatoes. A microworm culture needs a spoonful of live starter, a shallow tub, and about a week. It then gives a steady supply of live food for fish fry that can swallow a thin … Read more

    Categories Food Culture 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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