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FishDeals.com | Characins | Tetra Species | Black tetra
Characins - Tetra - Black tetra
(Gymnocorymbus ternetzi - blackamoor, blackskirt, black widow, butterfly tetra, or petticoat tetra)

Black tetra (Gymnocorymbus ternetzi) > Quick Stats
Scientific Name: Gymnocorymbus ternetzi
Origin: Paraguay and Guaporé River basins
Adult Size: 2.5
Social: Community
Lifespan: 3 Years
Tank Level: Smaller
Diet: Smaller Foods
Breeding: Easy
Care: Easy
pH: Slightly Acid (6.6)
Temperature: Range: 72-82 F
Availability: Easy

Diet/Food & Feeding Habits

    In general the Black tetra is easy to find and easy to care for, a good beginner fish. The black tetra is a common fish that can be readily acquired from aquarium dealers.


    Although not generally aggressive towards other species, black tetras can be violent amongst themselves, with weaker fishes often chased and nipped by their superiors.


    Can be difficult to determine, female may be more full bodied.


    The black tetra reaches sexual maturity at about two years of age. They will spawn in water 78 degrees F. A separate spawning tank, heavily planted and at least 15 gallons, is recommended. Like most characins, black tetras spawn by intermittently releasing and fertilizing eggs among the plants. Although these fish are not frequent egg-eaters, they may be removed after spawning. The young are easy to raise, subsisting on newly hatched brine shrimp or powdered processed foods.


    This fish is greyish in color, fading from light at the nose to near black at the tail. Two prominent black vertical bars appear just posterior of the gills.


 Piranha species
 Pacu species
 Tetra species
 Hatchetfish species
 Silver Dollars species
 Gar / Pike species
The Essentials Related Web Links
Photo Image Gallery of Characins Photo Gallery of Characins
Catfish Forum Discussion Characin Forum Discussion
External Web Resources
 Characins @ Aquabid.com
Popular Tetra Species
Black Phantom Tetra
Hyphessobrycon megalopterus
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
Black Tetra
Gymnocorymbus ternetzi
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Hyphessobrycon erythrostigma
Bloodfin Tetra
Aphyocharax anisitsi
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Buenos Aires Tetra
Hyphessobrycon anisitsi
Cardinal Tetra
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More to Come.

  Wikipedia Related Link

Follow the above recommendations and you should have a joyful Black tetra experience. Send any questions, comments or pictures to Ask An Expert If you are interested in helping out visit our contributions page.

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References/Further Reading

Berra, T. M. 2001. Freshwater Fish Distribution. Academic Press. San Diego, CA
Gery, J. 1977 Characoids of the World. T.F.H. Publications, Neptune City, NJ. 672 pp.
Hubbs, C. L. and K. F. Lagler. 1947 (and other editions). Fishes of the Great Lakes Region. Cranbrook Institute of Science, Bulletin No. 26.
Moyle, P.B. and J. J. Cech, Jr. 2000. Fishes: An Introduction To Ichthyology, 4th Edition. Prentice Hall, New Jersey.
Myers, G.S. 1972 The Piranha Book: an account of the ill-famed piranha fishes of the rivers of tropical South America. T.F.H. Publications, Neptune City, NJ. 128 pp.
Nelson, J. S. 1994. Fishes of the World, 3rd edition. John Wiley and Sons, Inc., New York, New York.
Page, L. M. and B. M. Burr. 1991. Peterson Field Guides: Freshwater Fishes. Houghton Mifflin Co., Boston, Mass.
Paxton, J. R. and W. N. Eschmeyer. 1998. Encyclopedia of Fishes. Academic Press, San Diego, CA.
Shulte, W. 1988 Piranhas in the Aquarium. T.F.H. Publications, Neptune City, NJ. 128 pp.