Interesting Information and Facts - Why do different aquarium species have fins?
Fish usually have seven fins. Each of the fins on a fish are designed to perform a specific function:

Dorsal fins - The dorsal fin is located on the backs of fishes. Dorsal fins lend stability in swimming
Ventral fins - The ventral fin is located on the pelvic area of fishes. Ventral fins lend stability in swimming
Caudal fins - The Caudal fin is located on the tail area of fishes. Caudal fins propel through the water
Anal fins - The Anal fin is located on the anus area of fishes. Anal fins lend stability in swimming.
Pectoral fins - The Pectoral fin is located on the breast area of fishes. Pectoral fins are for locomotion and side to side movement
Adipose fins - The Adipose fin is an extra fleshy fin on the back behind the dorsal fin as in salmons, smelts, and lanterns to lend stability in swimming
Cephalic fins - The cephalic fin are the "horns" of manta rays and close relations

Aquarium Fish Facts One: Jellyfish are composed of more than 90% water

Aquarium Fish Facts Two: There are over 80 species of seahorse

Aquarium Fish Facts Three: Fish do not have vocal chords but they can make sounds! The Oyster toadfish for example uses its swim bladder to produce a loud wailing sound which has been compared to the sound of a foghorn!

Aquarium Fish Facts Four: Anableps are known as four-eyed fish! In fact they only have two eyes but each eye has two pupils so they can see above and below the water a the same time

Aquarium Fish Facts Five: The Sailfish is the fastest fish in the world

Aquarium Fish Facts Six: Over 32,000 different species of fish have been identified and more Aquarium Fish Species are being discovered and identified every day!

Aquarium Fish Facts Seven: The plural of the word fish is fishes, however when describing more than one fish of the same species, the word fish is still used instead of the plural! An example would be 20 aquarium fish, not 20 aquarium fishes!

Aquarium Fish Facts Eight: The Female seahorse lays her eggs in a special pouch on the male seahorse's stomach, he then takes care of the eggs until the baby seahorses hatch

Aquarium Fish Facts Nine: Angelfish breed for life. If one of the pair dies, the other will not breed again!

Aquarium Fish Facts Ten: Some aquarium fish are not good for community tanks! Ask your local pet store before you buy new additions for your aquarium tank


Aquarium Fish Facts Eleven: The Stygotantulus stock is the smallest Crustacean in the world, measuring less than 0.1mm in length!

Aquarium Fish Facts Twelve: Angelfish can become aggressive towards other fish and even eat smaller fish such as Neon Tetras!

Aquarium Fish Facts Thirteen: Someone who studies different Aquarium Fish Species is called an ichthyologist

Facts about Fish Species
Did The colours, shapes and sizes of individual fishes varies enormously - you really need excellent quality pictures or photographs to assist in the identification process. A combination of the number of fins and their characteristics, color, scale counts, general features, maximum length and distribution are used during a species identification process. The species detailed on this website are Tropical, Saltwater, Aquarium , Marine , Pet , Pond, Clown, Koi, Beta (Betta), Gold Fish (Goldfish), Star, Angel, Puffer, Discus, Piranha, Rainbow, Parrot, Crustaceans, Sea Anemones and Coral..

Full Fish Species Website