Many colorful and small fish are kept in home or public tanks for display and learning. These aquarium fish include species like Goldfish, Guppy, Betta, and Tetra that live well in water-filled glass containers.
This post lists their names with pictures. You’ll learn popular types of aquarium fish, grouped to help with vocabulary learning and easy identification.
List of Aquarium Fish Names
This section provides a complete list of fish commonly kept in aquariums. It includes names of freshwater and saltwater species, small and large fish, and types suited for beginners or community tanks. Each name represents a popular choice for home aquariums based on size, color, behavior, and ease of care.
- Guppy: Guppies are colorful and easy to care for, making them great for beginners.
- Betta: Bettas are bright and bold, but males should be kept alone.
- Goldfish: Goldfish grow large and need cold, clean water.
- Molly: Mollies are peaceful fish that give birth to live babies.
- Platy: Platies are calm and colorful, good for community tanks.
- Swordtail: Swordtails are active fish with long, sword-like tails.
- Neon Tetra: Neon tetras are small, glowing fish that swim in groups.
- Cardinal Tetra: Cardinal tetras are bright and love soft, calm water.
- Zebra Danio: Zebra danios are fast swimmers and easy to care for.
- Angelfish: Angelfish are tall and graceful but need enough space.
- Discus: Discus fish are round and colorful, needing warm, clean water.
- Oscar: Oscars are big and smart, but need large tanks and clean water.
- Gourami: Gouramis are gentle fish that can breathe air.
- Corydoras: Corydoras clean the tank bottom and like living in groups.
- Plecostomus: Plecos eat algae and some can grow very large.
- Cherry Barb: Cherry barbs are peaceful and red, best in groups.
- Tiger Barb: Tiger barbs are active and should be kept in groups to avoid nipping.
- Rasbora: Rasboras are peaceful and like swimming in schools.
- Kuhli Loach: Kuhli loaches look like tiny eels and hide during the day.
- Rainbowfish: Rainbowfish are shiny, fast, and good in larger tanks.
- Clown Loach: Clown loaches are playful and grow large over time.
- Black Ghost Knifefish: These fish are black and electric-sensitive, and they like dark hiding places.
- Pearl Gourami: Pearl gouramis are gentle with pretty pearl-like spots.
- Electric Blue Acara: These are shiny blue cichlids that are calm and easy to keep.
- Bristlenose Pleco: Smaller than regular plecos, they clean algae and have bristle-like growths.
- Glass Catfish: These fish are see-through and peaceful, best in groups.
- Dwarf Gourami: Dwarf gouramis are small, colorful, and enjoy calm tanks.
- Blue Ram: Blue rams are gentle cichlids that like warm water.
- Celestial Pearl Danio: Tiny fish with dotted bodies that like peaceful, planted tanks.
- Congo Tetra: Congo tetras are colorful and enjoy swimming in groups.
- Pictus Catfish: Pictus catfish are spotted and active, best for large tanks.
- White Cloud Mountain Minnow: These minnows like cool water and don’t need a heater.
- Bumblebee Goby: Small striped fish that may need brackish water and hiding spots.
- Kribensis: Kribensis are colorful and like to hide in caves.
- Archerfish: Archerfish shoot water to catch insects and need a special setup.
Types of Aquarium Fish Names
This section includes names of aquarium fish grouped by type, such as freshwater, saltwater, small, large, colorful, and beginner-friendly species. Each group helps identify fish based on habitat, size, behavior, or care level, making it easier to choose the right fish for your aquarium.
Names of Freshwater Fish
Freshwater fish live in non-salty water and are the most common in home aquariums. Below is a list of tropical and coldwater types you’ll find in freshwater tanks.
Tropical and Coldwater Options
These species live in warm or cool freshwater and adapt well to indoor tanks.
- Guppy
- Betta
- Goldfish
- Molly
- Platy
- Swordtail
- Neon Tetra
- Cardinal Tetra
- Zebra Danio
- Angelfish
- Discus
- Gourami
- Corydoras
- Plecostomus
- Cherry Barb
- Tiger Barb
- Rasbora
- Kuhli Loach
- Rainbowfish
- Clown Loach
- Kribensis
- White Cloud Mountain Minnow
- Dwarf Gourami
- Celestial Pearl Danio
- Blue Ram
- Bumblebee Goby
Names of Saltwater Fish
Saltwater fish live in ocean water and need marine tanks with special care. Below is a list of colorful species that many hobbyists keep in saltwater aquariums.
Colorful and Beginner-Friendly Species
These fish are popular for their bright colors and can adapt well if cared for properly.
- Clownfish
- Royal Gramma
- Firefish
- Banggai Cardinalfish
- Blue Green Chromis
- Flame Angelfish
- Yellow Tang
- Six Line Wrasse
- Pajama Cardinalfish
- Chalk Bass
- Orchid Dottyback
- Watchman Goby
- Damselfish
- Mandarinfish
- Lawnmower Blenny
- Foxface Rabbitfish
- Coral Beauty
- Longnose Hawkfish
- Tomato Clownfish
- Bicolor Blenny
List of Small Aquarium
Small fish are best for nano tanks or small spaces. Below is a list of peaceful and active small aquarium fish.
Peaceful Types for Community Setups
These fish are known for calm behavior and fit well with others in group tanks.
- Neon Tetra
- Cardinal Tetra
- Guppy
- Endler’s Livebearer
- White Cloud Mountain Minnow
- Ember Tetra
- Celestial Pearl Danio
- Rasbora
- Dwarf Gourami
- Cherry Barb
- Zebra Danio
- Platy
- Molly
- Kuhli Loach
- Bumblebee Goby
- Harlequin Rasbora
- Blue Ram
- Corydoras
Names of Big Fish
Some fish grow large and need more swimming space. Below is a list of big pet fish that are suitable for larger tanks.
- Oscar
- Angelfish
- Discus
- Electric Blue Acara
- Clown Loach
- Plecostomus
- Bristlenose Pleco
- Pictus Catfish
- Black Ghost Knifefish
- Rainbowfish
- Archerfish
- Blue Gourami
- Synodontis Catfish
- Bala Shark
- Green Terror
Colorful Species Common in Tanks
Bright fish often attract attention. Below is a list of colorful species you can find in both freshwater and saltwater tanks.
- Betta
- Discus
- Dwarf Gourami
- Electric Blue Acara
- Neon Tetra
- Cardinal Tetra
- Rainbowfish
- Blue Ram
- Celestial Pearl Danio
- Flame Angelfish
- Yellow Tang
- Guppy
- Endler’s Livebearer
- Mandarinfish
- Clownfish
- Coral Beauty
Fish with Distinct Features
Some fish have eye-catching shapes or unusual fins. Below is a list of fish that stand out because of how they look or move.
- Black Ghost Knifefish
- Bristlenose Pleco
- Kuhli Loach
- Archerfish
- Longnose Hawkfish
- Glass Catfish
- Pictus Catfish
- Lawnmower Blenny
- Synodontis Catfish
- Blue Ram
Names of Group-Swimming Fish
Some fish prefer to live and swim in groups. Below is a list of schooling fish, which are more comfortable in numbers.
- Neon Tetra
- Cardinal Tetra
- Zebra Danio
- Rasbora
- White Cloud Mountain Minnow
- Ember Tetra
- Cherry Barb
- Harlequin Rasbora
- Glass Catfish
- Congo Tetra
- Corydoras
- Blue Green Chromis
Conclusion
Learning aquatic animal names supports vocabulary growth by grouping water-dwelling creatures into clear categories. This structure helps learners identify, understand, and remember animal names more effectively through visuals and examples, making language learning simple and organized for all ages.
FAQs About Aquarium Fish Names
Aquatic animals are creatures that live in water, such as oceans, rivers, lakes, or ponds. They include fish, mammals, reptiles, and amphibians.
No, not all aquatic animals are fish. They also include mammals (like whales), reptiles (like crocodiles), and amphibians (like newts).
Freshwater animals live in rivers or lakes, while saltwater animals live in oceans or seas. They differ in habitat and sometimes in body functions.
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