THE LIBRARY

All Care Guides

6 articles

Evidence-backed fish care and science articles — species biology, tank science, health and nutrition.

All aquarium-setup beginner betta feeding fish-health goldfish guppy shrimp tetra
Do Fish Sleep? How Fish Rest Explained aquarium-setup

Do Fish Sleep? How Fish Rest Explained

18 min · Dec 2024
Aquarium Heater: Size, Placement & Temperature Guide aquarium-setup

Aquarium Heater: Size, Placement & Temperature Guide

8 min · Oct 2024
Fish Lateral Line: The Sixth Sense Explained aquarium-setup

Fish Lateral Line: The Sixth Sense Explained

15 min · Sep 2024
Bioluminescent Fish: How and Why Some Fish Glow aquarium-setup

Bioluminescent Fish: How and Why Some Fish Glow

14 min · Aug 2024
How Do Fish Breathe Underwater? Gills Explained Simply aquarium-setup

How Do Fish Breathe Underwater? Gills Explained Simply

13 min · May 2024
Nitrogen Cycle Explained: Fishless Cycling Step by Step aquarium-setup

Nitrogen Cycle Explained: Fishless Cycling Step by Step

7 min · Feb 2024