Care Guide for Cardinal Tetras — Gorgeous Cousin of the Neon Tetra – Aquarium Co-Op

CARDINAL TETRA: THE MOST POPULAR AQUARIUM FISH - Fluval Aquatics Canada

Tetras Care Guide

11.12. Neon Disease - AquaInfo

Care Guide for Neon and Cardinal Tetras Beginner Schooling Fish – Aquarium Co-Op

11.12. Neon Disease

The True Story of Fishkeeping

Care Guide for Neon and Cardinal Tetras Beginner Schooling Fish – Aquarium Co-Op

Your Local Fish Store

The Complete Guide to Hatchetfish Care

Started aquarium for my 8year old. Waiting to add the fish in a couple weeks any tips from experience would be appreciated. It's 20 gal : r/ Aquariums