Does it matter what tropical fish you put together?

Here's why:

* Compatibility: Different fish have different needs in terms of water parameters (temperature, pH, hardness), tank size, diet, and temperament. Putting incompatible fish together can lead to stress, aggression, disease, and even death.

* Aggression: Some fish are naturally aggressive and will bully or even kill smaller or weaker fish.

* Diet: Fish have different dietary needs. Some are omnivores, some are herbivores, and some are carnivores. It's important to choose fish with compatible diets.

* Water Parameters: Each fish species has a preferred range of water parameters. Mixing fish with incompatible requirements can make it impossible to maintain optimal conditions for all.

* Tank Size: Different fish require different amounts of space. Small fish need smaller tanks, while larger fish need larger tanks.

* Hiding Spaces: Some fish need plenty of hiding places to feel safe and secure. You need to consider this when choosing your fish and decorating your tank.

Here are some general tips for choosing compatible fish:

* Research: Before you buy any fish, do your research to understand their needs and temperament.

* Start Small: If you're new to fishkeeping, start with a small, simple community tank with peaceful fish species.

* Consider Tank Size: Make sure your tank is large enough to accommodate all the fish you want to keep.

* Pay Attention to Temperament: Choose fish with similar temperaments to avoid aggression.

* Consider Water Parameters: Make sure the water parameters in your tank are suitable for all the fish you choose.

Here are some examples of fish that are often considered compatible:

* Tetras: These small, peaceful fish are good for beginner aquariums.

* Danios: These active, schooling fish are also good for beginners.

* Guppies: These colorful livebearers are a popular choice for community tanks.

* Platies: These peaceful livebearers are another good option for beginners.

* Corydoras: These bottom-dwelling catfish are excellent scavengers and add a unique element to community tanks.

Remember: Always do your research and choose fish carefully to ensure a healthy and thriving aquarium.