Aquarium Fish A Z List

Looking for a complete list of aquarium fish? This A–Z guide helps you quickly find freshwater and saltwater species by name, along with simple details about their behavior, care level, and tank needs. Whether you’re setting up your first tank or planning a new community, you can browse popular fish, beginner-friendly options, and unique species all in one place.

Instead of guessing which fish to choose, this page connects you directly to detailed care guides, tank size ideas, and compatible species. Use the alphabetical list below or explore categories like community fish, schooling fish, and small tank options to find what works best for your aquarium.

Aquarium Fish A–Z List

A

Apistogramma
  • Angelfish – semi-aggressive, tall body, community cautious
  • Arowana – large predator, aggressive, advanced care
  • Apistogramma – dwarf cichlid, colorful, semi-aggressive
  • African Cichlid – aggressive, territorial, colorful species
  • Amano Shrimp – algae eater, peaceful, community safe
  • Archerfish – insect shooter, brackish water, unique
  • Axolotl – aquatic salamander, unique, coldwater care
  • Asian Stone Catfish – nano fish, peaceful, bottom dweller
  • African Butterfly Fish – surface predator, semi-aggressive, unique

B

  • Betta Fish – aggressive, colorful, beginner popular
  • Bristlenose Pleco – algae eater, peaceful, hardy
  • Bala Shark – active swimmer, semi-aggressive, schooling
  • Black Molly – livebearer, peaceful, beginner-friendly
  • Bolivian Ram – peaceful cichlid, community safe
  • Blood Parrot Cichlid – hybrid, semi-aggressive, unique shape
  • Bumblebee Goby – small, brackish, semi-aggressive
  • Blue Gourami – semi-aggressive, hardy, community fish
  • Bichir – prehistoric fish, predator, large tank
  • Banjo Catfish – bottom dweller, peaceful, camouflaged

C

  • Corydoras Catfish – bottom dweller, peaceful, schooling
  • Clownfish – saltwater, beginner-friendly, hardy
  • Cherry Barb – peaceful, schooling, colorful
  • Convict Cichlid – aggressive, hardy, easy breeding
  • Cardinal Tetra – peaceful, schooling, neon colors
  • Celestial Pearl Danio – nano fish, peaceful, planted tanks
  • Clown Loach – social, bottom dweller, large tank
  • Crystal Red Shrimp – delicate, peaceful, advanced care
  • Common Pleco – algae eater, large, hardy
  • Congo Tetra – peaceful, schooling, colorful

D

Glowlight Danio
  • Danio (Zebra Danio) – hardy, schooling, beginner-friendly
  • Discus Fish – peaceful, sensitive, advanced care
  • Dwarf Gourami – peaceful, colorful, community fish
  • Denison Barb (Roseline Shark) – active swimmer, semi-aggressive
  • Dojo Loach – peaceful, bottom dweller, coldwater tolerant
  • Dwarf Pufferfish – tiny predator, aggressive, species-only
  • Diamond Tetra – peaceful, schooling, shiny appearance
  • Dragon Goby – brackish, bottom dweller, unique
  • Dwarf Cichlid (Ram species) – semi-aggressive, colorful
  • Darter Characin – nano fish, peaceful, schooling

E

  • Electric Blue Ram – colorful cichlid, semi-aggressive, sensitive
  • Ember Tetra – nano fish, peaceful, schooling
  • Endler’s Livebearer – small, active, beginner-friendly
  • Elephant Nose Fish – unique, shy, advanced care
  • Emerald Corydoras – bottom dweller, peaceful, schooling
  • Exodon Tetra – aggressive, fin nipper, schooling
  • Eartheater Cichlid (Geophagus) – sand sifter, semi-aggressive
  • Empire Gudgeon – peaceful, colorful, community fish
  • Electric Yellow Cichlid – African cichlid, semi-aggressive, bright color

F

Fancy Guppy
  • Fancy Guppy – colorful, livebearer, beginner-friendly
  • Flowerhorn Cichlid – aggressive, large, advanced care
  • Firemouth Cichlid – semi-aggressive, territorial, hardy
  • Forktail Rainbowfish – peaceful, active, schooling
  • Figure 8 Pufferfish – brackish, aggressive, intelligent
  • Freshwater Angelfish – semi-aggressive, tall fins
  • Featherfin Catfish – bottom dweller, peaceful, nocturnal
  • Flagfish – algae eater, semi-aggressive, hardy
  • Fire Eel – elongated body, semi-aggressive, unique

G

  • Guppy Fish – beginner-friendly, colorful, livebearer
  • German Blue Ram – peaceful cichlid, sensitive, colorful
  • Glowlight Tetra – peaceful, schooling, nano fish
  • Gourami (Pearl Gourami) – peaceful, community fish, hardy
  • Green Terror Cichlid – aggressive, territorial, large
  • Glass Catfish – transparent body, peaceful, schooling
  • Golden Wonder Killifish – surface dweller, semi-aggressive
  • Ghost Shrimp – algae eater, peaceful, beginner-friendly
  • Giant Danio – active, schooling, hardy

H

Honey Gourami
  • Honey Gourami – peaceful, small, beginner-friendly
  • Harlequin Rasbora – peaceful, schooling, community fish
  • Hillstream Loach – algae eater, fast water, unique
  • Head and Tail Light Tetra – peaceful, schooling, hardy
  • Hujeta Gar – surface predator, semi-aggressive
  • Halfbeak Fish – surface dweller, peaceful, unique
  • Humphead Cichlid (Frontosa) – large, semi-aggressive, slow-moving
  • Hogfish (saltwater) – active swimmer, semi-aggressive
  • Horn Shark (saltwater) – bottom dweller, predator, advanced

I

  • Indian Glass Fish – transparent body, peaceful, schooling
  • Iridovirus Gourami – sensitive, disease-prone, advanced care
  • Ivory Snail – algae eater, peaceful, beginner-friendly
  • Indian Mud Moray (brackish) – predator, aggressive, unique
  • Ice Blue Cichlid – African cichlid, semi-aggressive
  • Indian Ricefish – nano fish, peaceful, schooling
  • Indian Hill Trout – fast water, active, coldwater species
  • Indostomus Paradoxus – tiny, delicate, slow-moving

J

  • Jack Dempsey Cichlid – aggressive, territorial, large
  • Julii Corydoras – bottom dweller, peaceful, schooling
  • Jewel Cichlid – aggressive, colorful, territorial
  • Japanese Rice Fish (Medaka) – hardy, peaceful, beginner-friendly
  • Jaguar Cichlid – large, aggressive predator
  • Janssens’ Barb – peaceful, schooling, rare species
  • Jumbo Guppy – large size, colorful, livebearer
  • Jae Barb – nano fish, peaceful, schooling

K

  • Killifish – colorful, small, species tank recommended
  • Kuhli Loach – eel-like, peaceful, bottom dweller
  • Kribensis Cichlid – dwarf cichlid, semi-aggressive, colorful
  • Kissing Gourami – semi-aggressive, unique behavior
  • Keyhole Cichlid – peaceful, shy, community safe
  • King Tiger Pleco – algae eater, bottom dweller, patterned
  • Koi Angelfish – colorful, semi-aggressive
  • Koi Betta – aggressive, colorful, popular variant

L

  • Lionfish – venomous, saltwater predator, advanced care
  • Loach (Yoyo Loach) – active, semi-aggressive, bottom dweller
  • Leopard Danio – hardy, schooling, beginner-friendly
  • Lemon Tetra – peaceful, schooling, beginner-friendly
  • Labeo Bicolor (Red Tail Shark) – semi-aggressive, territorial
  • Licorice Gourami – peaceful, nano fish, shy
  • Lungfish – primitive species, large, advanced care
  • Longfin Zebra Danio – active, schooling, hardy

M

  • Molly Fish – peaceful, livebearer, beginner-friendly
  • Midas Cichlid – aggressive, large, territorial
  • Marble Hatchetfish – surface dweller, peaceful, schooling
  • Moonlight Gourami – peaceful, community fish, elegant
  • Mekong Giant Catfish – massive size, rare, advanced care
  • Micro Rasbora – nano fish, peaceful, schooling
  • Mudskipper – amphibious, brackish, unique setup
  • Mbuna Cichlid – aggressive, African cichlid, rock dwellers

N

Neon-Tetras
  • Neon Tetra – peaceful, schooling, nano fish
  • Nerite Snail – algae eater, peaceful, beginner-friendly
  • Needlefish – surface predator, semi-aggressive
  • New Guinea Rainbowfish – active, peaceful, schooling
  • Nandus (Leaf Fish) – ambush predator, semi-aggressive
  • Niger Triggerfish – saltwater, aggressive, large
  • Nothobranchius Killifish – colorful, short lifespan, unique
  • Norman’s Lampeye Killifish – peaceful, schooling, nano

O

  • Oscar Fish – aggressive, intelligent, large tank
  • Otocinclus Catfish – algae eater, peaceful, nano tank
  • Orange Chromide – brackish, peaceful, cichlid species
  • Oranda Goldfish – fancy goldfish, peaceful, coldwater
  • Ocellaris Clownfish – saltwater, beginner-friendly
  • Opaline Gourami – semi-aggressive, hardy, community fish
  • Oto Catfish – algae eater, peaceful, schooling

P

  • Platy Fish – peaceful, livebearer, beginner-friendly
  • Pleco (Common Pleco) – algae eater, large, hardy
  • Peacock Cichlid – colorful, semi-aggressive, African cichlid
  • Panda Corydoras – peaceful, bottom dweller, schooling
  • Pufferfish (Pea Puffer) – tiny predator, aggressive, unique
  • Pearl Gourami – peaceful, community fish, hardy
  • Pictus Catfish – active, semi-aggressive, bottom swimmer
  • Paradise Fish – semi-aggressive, hardy, labyrinth fish
  • Pencilfish – peaceful, nano fish, schooling

Q

  • Queen Angelfish – saltwater, colorful, semi-aggressive
  • Queen Triggerfish – aggressive, saltwater predator
  • Quoyi Parrotfish – saltwater, large, herbivore
  • Quick Silver Rasbora – fast swimmer, schooling, peaceful
  • Queensland Grouper – massive size, predator, advanced care
  • Quillfin Blenny – small, saltwater, peaceful

R

  • Rainbowfish – peaceful, active, schooling
  • Red Tail Shark – semi-aggressive, territorial, bottom fish
  • Rosy Barb – hardy, active, schooling
  • Rummy Nose Tetra – peaceful, schooling, sensitive
  • Ram Cichlid – peaceful, colorful, sensitive
  • Ranchu Goldfish – fancy goldfish, peaceful, slow swimmer
  • Rope Fish – eel-like, peaceful, nocturnal
  • Red Eye Tetra – active, schooling, hardy

S

Swordtails
  • Swordtail Fish – livebearer, peaceful, beginner-friendly
  • Severum Cichlid – semi-aggressive, large, colorful
  • Silver Dollar Fish – schooling, peaceful, large tank
  • Shrimp (Cherry Shrimp) – algae eater, peaceful, nano tank
  • Synodontis Catfish – bottom dweller, semi-aggressive
  • Siamese Algae Eater – algae control, peaceful, active
  • Sparkling Gourami – nano fish, peaceful, quiet
  • Scat Fish – brackish, schooling, semi-aggressive

T

  • Tetra (Neon Tetra) – peaceful, schooling, beginner fish
  • Tiger Barb – semi-aggressive, active, schooling
  • Tinfoil Barb – large, active, schooling fish
  • Threadfin Rainbowfish – peaceful, delicate, schooling
  • Texas Cichlid – aggressive, large, territorial
  • Turquoise Discus – peaceful, sensitive, advanced care
  • Twig Catfish – algae eater, peaceful, camouflaged
  • Tomini Tang – saltwater, algae eater, semi-aggressive

U

  • Upside Down Catfish – unique swimmer, peaceful, bottom dweller
  • Umbra Fish – coldwater species, peaceful, rare
  • Uaru Cichlid – peaceful, large, sensitive
  • Unicorn Tang – saltwater, large, active swimmer
  • Upside Down Jellyfish – saltwater invert, unique

V

  • Vampire Shrimp – filter feeder, peaceful, unique
  • Venustus Cichlid – aggressive, African cichlid, predator
  • Violet Goby – brackish, bottom dweller, large
  • Volitan Lionfish – venomous, saltwater predator
  • Vlamingi Tang – saltwater, large, active

W

White Cloud Mountain Minnow
  • White Cloud Mountain Minnow – coldwater, peaceful, beginner-friendly
  • Wolf Cichlid – aggressive, large predator
  • Whiptail Catfish – peaceful, bottom dweller, algae eater
  • Weather Loach – hardy, peaceful, coldwater
  • Wrasse (Six Line Wrasse) – saltwater, active, semi-aggressive

X

  • X-Ray Tetra – peaceful, schooling, hardy
  • Xingu Corydoras – bottom dweller, peaceful, schooling
  • Xanthic Cichlid – rare color morph, semi-aggressive

Y

  • Yellow Tang – saltwater, active, semi-aggressive
  • Yellow Lab Cichlid – African cichlid, semi-aggressive
  • Yoyo Loach – active, semi-aggressive, bottom dweller
  • Yellowtail Damselfish – saltwater, semi-aggressive

Z

  • Zebra Danio – hardy, schooling, beginner-friendly → /types-of-danios/
  • Zebra Pleco – rare, peaceful, bottom dweller
  • Zebra Loach – active, peaceful, bottom dweller
  • Zebra Otocinclus – algae eater, peaceful, nano tank 

If you want to check which tank size better for fish check out this Aquarium Fish by Tank Size (3 to 75 Gallons Guide)

FAQs

What are the best aquarium fish for beginners?

This is fish are Best Beginner Freshwater Fish

How many types of aquarium fish are there?
There are thousands of aquarium fish species, but around 200–300 are commonly kept in home aquariums. These include both freshwater and saltwater fish, ranging from beginner-friendly species to advanced and rare varieties.

What fish can live together in a tank?
Check this list Peaceful Community Fish for Freshwater Aquariums

Which fish are easiest to care for?

Check this list Easiest Fish to Take Care for Aquariums