Species guides

Guppy (Poecilia reticulata)

Guppies in Planted Aquariums: Care Guide

Guppies in planted tanks: 10+ gal, heater, plants as fry cover, mixed sexes = babies, and why they are not ‘easy’ if water and diet are ignored.

08/08/2026 - Aqua Plants Hub Editorial

Corydoras in Planted Tanks: Care Guide

Corydoras in planted tanks: sand substrate, school of 6+, oxygen, no sharp gravel, gentle filter, and why they are not a ‘cleanup crew’ that lives on leftovers.

Betta in a Planted Tank: Care Guide

Betta splendens in planted tanks: 5+ gal heated, gentle filter, silk-soft plants, no sharp décor, cycling first, and tank mates that will not shred fins.

Water Wisteria Care Guide (Hygrophila difformis)

Water wisteria (Hygrophila difformis): fast easy stem, feathery submerged leaves, pinch and replant, low–medium light, optional CO₂, and lower-leaf melt fixes.

Amazon sword Echinodorus amazonicus long sword leaves rosette aquarium plant

Amazon Sword Care Guide (Echinodorus)

Amazon sword (Echinodorus): deep substrate, root tabs, medium light, melt after planting, and why it shades everything if you put it in a 10-gallon.

Rotala rotundifolia aquarium stem plant pink orange tops green lower leaves

Rotala rotundifolia Care Guide (Color Stem)

Rotala rotundifolia: medium–high light, CO₂ helps pink/orange tops, pinch often, and why it stays green and leggy in low-tech.

Hygrophila polysperma Care Guide (Fast Stem)

Hygrophila polysperma: fast low-tech stem, pinch tops, replant cuttings, medium light, optional CO₂, and how to stop lower-leaf melt and BBA.

Vallisneria Care Guide (Background Runner)

Vallisneria spiralis / americana: plant the crown at substrate level, let runners fill the back, low–medium light, no CO₂ required, and how to stop melting after shipping.

Best Pond Filters for Goldfish & Koi (2026)

Pond filters for goldfish/koi: pressurized vs waterfall, turnover about once per 1–2 hours, UV optional for green water, mechanical + biological media — not an aquarium HOB on a tub.

Pea puffer (Carinotetraodon travancoricus)

Pea Puffer Care Guide (Freshwater Dwarf Puffer)

Carinotetraodon travancoricus: 5+ gal for one, 20+ for a group, snails + frozen foods, planted

Neocaridina cherry shrimp

Neocaridina vs Caridina Shrimp — Which Should You Keep?

Neocaridina (cherry) tolerate tap-range GH and breed easily. Caridina (bee/crystal) want RO +

Oranda / ranchu goldfish (round-body fancy)

Goldfish Swimming Sideways — Constipation vs Swim Bladder

Goldfish listing or floating after flakes is usually constipation and swallowed air — not mystery

Fancy goldfish (Carassius auratus)

Goldfish Tank Setup Under $100 (No Bowl)

Honest under-$100 fancy goldfish start: 20+ gallon used tank, sponge filter, gravel vac, sinking

Cherry shrimp

What Fish Can Live With Cherry Shrimp? (Safe vs Unsafe)

Which fish live with cherry shrimp: neon tetras, otos, corys vs bettas, goldfish, cichlids. Copper

Otocinclus catfish on driftwood in a planted aquarium

Otocinclus Care Guide (Algae Crew, School & Biofilm)

Otocinclus catfish care: mature tank, school of 6+, biofilm diet, algae wafers, shipping

Beginner’s-guide-to-setting-up-an-aquarium-with-live-plants - Aquascape & Planted Tank Guide

Best Beginner Aquarium Plants (10 Easy Picks)

Ten easy aquarium plants for beginners: epiphytes, moss, crypts, stems, and carpets—how to choose,

Java-Moss-01 - Aquascape & Planted Tank Guide

Java Moss Care Guide (Taxiphyllum barbieri)

Java moss: attach methods, low light, no CO₂, browning causes, algae on moss, shrimp tanks, glue,

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