Aquarium fish lists

Species from the AquaLog care guide, grouped by the questions people ask before they buy: tank size, water, temperature and temperament. Every table comes straight from the care data.

• Best freshwater fish for beginners53 species · Hardy freshwater fish for a first aquarium, compared side by side: minimum tank size, temperature, pH, temperament and group size for each.
• Fish for small tanks (40 litres / 10 gallons or less)13 species · Freshwater fish that suit aquariums of 40 litres (10 US gallons) or less, with each species' minimum tank, temperature, pH and group size.
• Fish for a 60-litre (16-gallon) aquarium27 species · Freshwater fish that suit a 60-litre (about 16 US gallon) tank, compared by temperature, pH, temperament and group size.
• Fish for hard, alkaline water16 species · Freshwater fish that need or tolerate hard, alkaline water (pH 7 and above): livebearers, rainbowfish and African rift lake cichlids, compared.
• Fish for soft, acidic water13 species · Freshwater fish that need soft, acidic water (pH 7 and below), such as cardinal tetras, discus, rams and chili rasboras, compared side by side.
• Cold-water aquarium fish10 species · Freshwater fish whose temperature range starts at 18 °C or lower, from goldfish to white cloud minnows and zebra danios, compared side by side.
• Aquarium fish that tolerate warm water (30 °C and above)16 species · Freshwater fish whose temperature range reaches 30 °C (86 °F) or more, useful for hot climates and summers, with each species' full range.
• Bottom-dwelling aquarium fish35 species · Freshwater fish that live on the bottom of the tank: corydoras, plecos, loaches and dwarf cichlids, with tank size, temperature, pH and group size.
• Reef-safe saltwater fish44 species · Saltwater fish rated reef safe in the AquaLog care guide: clownfish, gobies, blennies, chromis, tangs and more, with tank size and temperament.
• Brackish water aquarium fish10 species · Fish that live in brackish water, between fresh and salt, such as puffers, archerfish, chromides and bumblebee gobies, compared side by side.
• Aquarium fish native to India16 species · Popular aquarium fish that come from India's rivers, hill streams and backwaters, from zebra danios and rosy barbs to pea puffers and chromides.