Do fish know feeding time? Yes.
Under a minute, underwater
Fish Secrets
The things your fish won’t tell you — why the water goes cloudy, why colours fade, why they nip, what they really eat — straight from our tank room, each one in under a minute. New secrets every week.
In Apistogramma, the South American dwarf cichlids, a baby's sex is not fixed at fertilisation alone.
Why do fish eat their own eggs?
Why is my female guppy hiding? Very often, because she's the only female.
Guppy (Poecilia reticulata): how to tell your female guppy is about to give birth, what happens next, and how to keep the fry alive.
Cardinal tetra (Paracheirodon axelrodi): why your cardinals lose their colour every night, and what a healthy one looks like in the morning.
Why are my cherry shrimp pale? Cherry shrimp (Neocaridina davidi) that arrive bright red and then turn pale or almost see-through are usually not ill.
Do snails eat aquarium plants? The common small ones don't eat healthy plants.
'Plant melt' — leaves turning translucent, brown and mushy within days of planting — is one of the most common reasons new keepers throw away healthy plants.
🐟 Pink Kissing Gourami (Helostoma temminckii): 🐟 Gouramis & Labyrinth Fish for Sale UK: Why do kissing gouramis kiss? They don't.
🐟 Yellow lab cichlids for sale UK, sent by licensed live-animal courier: Many African cichlids from Lake Malawi, including the popular yellow lab (Labidochromi
🐟 Clown loaches for sale UK (they grow to about 30 cm, so plan the tank first): Clown loaches (Chromobotia macracanthus) are one of the most charismatic fish i
🐟 Bristlenose plecos for sale UK — common, super red, albino and longfin: Some plecos, especially the genus Panaque, have long been described as wood-eaters, a
🐟 Betta fish for sale UK — males, females, halfmoon, crowntail and plakat, sent by licensed live-animal courier: A "sorority" — several female Betta splendens
🐟 Aquarium Fish Food UK: 📖 How to Set Up a Tropical Fish Tank: 10 Safe Steps: Dry fish food does not go mouldy quickly, so most keepers use the same tub for a
Got a fish question a clip didn’t answer?
Aqua knows our whole catalogue and care data — talk or type, any time.