How To Identify
Fish Families Fast
(December 2002 page 6)
John Todaro BAS
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There are eight major
families of fish that you will generally find in aquarium stores.
Here is a brief guide of some of their major characteristics and behaviors to help you identify them. |
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| Barbs Family: Cyprinidae Habitat: South East Asia Egglayers Small active fish, grows 2 to 4 inches on average. Most common in pet stores are tiger barbs, clown barbs, cherry barbs, tinfoil barbs, and rosy barbs. You can spot a Barb by these characteristics: 1. Larger scales Barbs are a good fish for a beginner to start a tank with. They are colorful, tough, active when kept in schools (6 fish and up make them feel comfortable) and are undemanding in the aquarium and easy to feed, will take flake food readily. |
Goldfish Family: Cyprinidae Habitat: Captive Breed Egglayers Most common in pet stores are; goldfish, carps, and koi, The largest family of fish in the world. They vary in size from 1 inch to over 6 feet. Most are small and brightly colored. You can spot a Carp by these characteristics: 1. Goldfish have no barbels (mouth whiskers). A good fish for beginners. Keep in mind that goldfish and Koi like cold water and should never be kept with tropical fish who need much warmer water. Gold fish and Carp and Koi make great pond fish. |
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Catfish
Family: callichthyidae Habitat: Africa, Asia, South America Egglayers A larger family of fish. They range in size from less than 1 inch to a couple of feet. In general the ones in your pet store will range from 1 to 8 inches. You can spot a catfish by these characteristics: 1. Catfish do not have scales. |
| Cichlids Family: cichlidae Habitat: Africa, South & Central America Egglayers A larger, diverse family that includes fish with many different water
requirements. Intelligent, with interesting spawning and parental care
of their young. They are territorial and can be aggressive |
Killifish Family: cyprinodontidae Habitat: Africa, America, Asia, South America Egglayers Small slender fish that are not often seen in pet shops, but can be
acquired from other hobbyists and killie clubs. You can spot a Killifish by these characteristics: 1. Killifish have no barbels. |
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Anabantoids
Family: Belontidae Habitat: Southeast Asia Egglayers Most common in pet shops are blue, pearl, and dwarf gouramis.
Bettas, and paradise fish are also commonly found. This family, ranges
from Southern African and Southeast Asia where they live in stagnant,
oxygen-poor water and have developed a special breathing chamber above
their gills which allows them to breath atmospheric oxygen. They average
in size from 2 to 6 inches in the home aquarium. You can spot an Anabantoid by these characteristics: 1. They are colorful. This is an excellent family of fish to start with, since they can tolerate poor water conditions, as long as their water is kept warm. |
| Livebearers Family: Poecilidae Habitat: Central America Livebearers Most commonly found in pet stores are guppies, platies, swordtails and
mollies. You can spot a Livebearer by these characteristics: 1. Males can be identified by their gonopodium. |
Tetras Family: characidae Habitat: Central & South America Egglayers Most common in pet stores; black tetra, brass tetra, neon tetra, lemon tetra, cardinal tetra, head and tail light tetra, blind cave fish, etc.A large family of fish distributed throughout South and Central America. You can spot a Tetra by these characteristics: 1. Tetras have no barbels. |