Freshwater Fish vs Shrimp Tanks: Which Is Better for Beginners?

When starting out in the aquarium hobby, one of the first questions you'll face is whether to keep fish or shrimp. Both are rewarding, but they suit very different approaches to the hobby. This comparison will help you decide which setup is right for you.

At a Glance

Factor	Fish Tank	Shrimp Tank
Beginner difficulty	Easy–moderate	Moderate
Water sensitivity	Moderate	High (especially caridina)
Tank size	40+ litres recommended	20 litres acceptable
Filtration	Hang-on back or canister	Sponge filter essential
Visual impact	Immediate, colourful	Subtle but fascinating
Cost to start	Moderate	Low (neocaridina) to high (caridina)
Breeding reward	Moderate	Very high (visible, fast)

Fish Tanks: Pros and Cons

Advantages

• Immediate visual impact — even a basic fish setup looks impressive
• Wide species variety from very hardy (danios, guppies) to more challenging (discus)
• More forgiving of parameter fluctuations than shrimp
• Easier to troubleshoot — fish show visible stress signs clearly

Disadvantages

• Require larger minimum tank sizes for most species
• Filtration must be sized correctly and cycled before stocking
• Water changes and vacuuming are more critical
• Some species grow large or require specific mates/schools

Shrimp Tanks: Pros and Cons

Advantages

• Can set up an interesting tank in 20 litres or less
• Neocaridina shrimp (cherry, blue dream, yellow) are extremely hardy
• Breeding happens naturally — watching berried females is endlessly rewarding
• Excellent for planted tanks — shrimp keep plants clean of algae and detritus

Disadvantages

• Caridina shrimp (crystal red, Taiwan bee) require very precise, stable water
• Shrimp are invisible when hiding — beginners may worry they have disappeared
• Cannot be kept with most fish (fish eat shrimp)
• Sensitive to copper — many fertilisers and medications are lethal

Which Should You Choose?

Choose a fish tank if:

• You want immediate, visible action and colour
• You're setting up a 60+ litre display tank
• You want to keep more than one type of animal

Choose a neocaridina shrimp tank if:

• You want a nano (20–30 litre) setup
• You're interested in breeding and population growth
• You prefer a planted, low-maintenance aesthetic

Choose a caridina shrimp tank if:

• You have experience with water chemistry
• You're willing to use RO water or invest in a remineraliser
• You want to keep high-grade crystal reds or Taiwan bee shrimp

Can You Keep Both?

Yes — but not in the same tank. Fish will eat or stress most shrimp species. The solution is:

• A dedicated shrimp-only tank
• A separate fish community tank
• Or a species-only tank with very small nano fish (chili rasboras, ember tetras) and large, established neocaridina shrimp populations

Browse our freshwater livestock and shrimp collection to compare what's available now.