AquaticRepublic.com - Gymnocorymbus ternetzi (Acestrorhamphidae) All Fishes

Juvenile

All Fishes Data Sheet
Scientific Name	**Gymnocorymbus ternetzi** (Boulenger, 1895)
Common Names	Black Widow Tetra Black Skirt Tetra, Sorgmanteltetra (Sweden), Trauermantel (Germany)
Type Locality	Descalvados, Mato Grosso, Rio Paraguay, 16°46’S, 57°44’W, Brazil.
Synonym(s)	Gymnocothymbus ternetzii, Tetragonopterus ternetzi
Species Information
Size	60mm or 2.4" SL. Find near, nearer or same sized spp.
Sexing	The female black tetra is more robust and larger than the male.
Habitat Information
Distribution	South America: Paraguay and Guaporé River basins to Argentina. La Plata, Paraná, Paraguay (click on these areas to find other species found there) Amazon, Middle Amazon (Solimoes), Madeira, Mamoré, Guaporé (Iténez) (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2021.
Other Parameters	This fish is very hardy and can tolerate a variety of water qualities.
Husbandry Information
Compatibility	A highly spirited fish that may occasionally chase its own species as well as harass slow moving fish with long fins.
Breeding Reports	There is no breeding report.
Further Information
Reference	Proceedings of the Zoological Society of London 1895 (pt 3), pp 528
Registered Keepers	There is but a single registered keeper, view all "my fish" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 2 records of this fish being seen, view them all.
Forum BBCode

	Look up G. ternetzi on Fishbase
	Look up G. ternetzi on Encyclopedia of Life
	Look up G. ternetzi on Global Biodiversity Information Facility
	LFS label creator ARN ref:4.249.877.5006
Last Update	2025 Jan 01 12:54 (species record created: 2013 Jun 14 10:09)