THE LIBRARY
All Care Guides
12
articles
Evidence-backed fish care and science articles — species biology, tank science, health and nutrition.
fish-health
Why Fish Need Light Cycles: Circadian Rhythms in the Aquarium
aquarium-setup
Do Fish Sleep? How Fish Rest Explained
goldfish
Goldfish Care: Tank Setup, Diet & Health Guide
betta
Betta Fish Diseases: Symptoms & Treatment Guide
fish-health
Can Fish Feel Pain? What Science Says
betta
Betta Labyrinth Organ: How Bettas Breathe Air
guppy
Guppy Fish Care: Tank, Water & Breeding Basics
betta
Betta Tank Size: Minimum, Ideal & Tank Mates Guide
beginner
Freshwater vs Saltwater Fish: Osmoregulation Explained
beginner
First Aquarium Setup: A Step-by-Step Beginner's Guide
aquarium-setup
Aquarium Heater: Size, Placement & Temperature Guide
betta