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Aquarium Blog
Fish care guides, planted tank advice, shrimp keeping tips, and news from the AquaLots team. Whether you're a first-time fishkeeper or an experienced aquarist, our guides cover tropical fish care, breeding, water chemistry, planted tanks, invertebrates, and more. Learn how to set up your first aquarium, which species work best together, how to breed neocaridina shrimp, what L-number plecos need to thrive, and how to get the most from the AquaLots marketplace — from writing listings that sell to finding the best deals at auction.

22 April 2026
Best Native North American Fish for Your Aquarium: The Complete Guide (2026)
Rainbow darters, pygmy sunfish, native killifish, and more — beautiful, sustainable, and perfectly adapted to your local water. The complete native fishkeeping guide.

22 April 2026
Aquarium Fish Laws in the USA: What You Can and Can't Keep by State (2026)
What fish are illegal to keep, sell, or transport in the US? Federal Lacey Act rules, state-by-state restrictions, and what hobbyists actually need to know.

22 April 2026
Best Fish for a 20 Gallon Tank: Complete Stocking Guide for US Aquariums (2026)
The definitive 20-gallon stocking guide — schooling fish, centerpieces, bottom dwellers, five complete community builds, and species to avoid. All in gallons and Fahrenheit.
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22 April 2026
How to Sell Fish Online in the USA: Complete Guide for Home Breeders (2026)
Which carriers ship live fish, how to spot scams, what live arrival guarantees actually cover, and how to acclimate fish safely. The complete US buyer's guide.

22 April 2026
US Tap Water and Your Aquarium: A State-by-State Guide to pH and Water Hardness
What's actually in your tap water and what does it mean for your fish? State-by-state hardness data, the chloramine problem, and how to match fish to your local water.

22 April 2026
How to Buy Fish Online in the USA: The Complete Guide
Which carriers ship live fish, how to spot scams, what live arrival guarantees actually cover, and how to acclimate fish safely. The complete US buyer's guide.