Black skirt tetra size: how big does it get?

Adults reach about 6 cm. The largest on record measured 7.5 cm (standard length). The largest of the 13 Acestrorhamphidae species on LumaReef (Ember tetra is the smallest, 2 cm).

Black skirt tetra tank size: what is the minimum?

A tank at least 75 cm long. In LumaReef that is the Standard tank or larger.

Black skirt tetra water parameters: what does it need?

Temperature 20–26 °C, pH 6.0–8.0, hardness 2–20 °dGH. Cooler than most Acestrorhamphidae on LumaReef (23–28 °C).

Black skirt tetra tank mates: what can it live with?

It gets along with 57 of the 99 freshwater species in the catalogue, such as Silver hatchetfish, Pearl danio, and Bronze corydoras.

FreshwaterIn the market60 coinsCommon

Black skirt tetra

Gymnocorymbus ternetzi

Loud and confident; kept in too few, it goes looking for fins to nip.

The Black skirt tetra (Gymnocorymbus ternetzi) is a subtropical freshwater fish of the family Acestrorhamphidae. Adults grow to about 6 cm; the largest on record measured 7.5 cm (standard length). In the aquarium it needs a tank at least 75 cm long and water at 20–26 °C.

Size: 6 cm
Smallest tank: 75 cm
Temperature: 20–26 °C
Care: Easy

In the aquarium

Temperature20–26 °C

pH6.0–8.0

Hardness2–20 °dGH

Temperament: Semi-aggressive
Diet: Omnivore
Activity: Moderate
Water layer: Mid water
Group: Happiest in a group of 12 or more
Plants: Plant safe

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

Nano60 cm · 65 litresToo small
Standard90 cm · 180 litres36 of them
Wide120 cm · 300 litres60 of them
Living room180 cm · 650 litres130 of them
Showcase250 cm · 1,200 litres240 of them
Gallery300 cm · 1,440 litres288 of them

Who it lives with

Gets along57 species

and 33 more species

Caution39 species

Narrow shared temperature range

Not together3 species

Water temperatures do not overlap

In the wild

Water type: Freshwater
Climate zone: Subtropical
Largest on record: 7.5 cmstandard length, tail fin excluded
Aquarium trade: Very common

Conservation status

Classification

OrderCharaciformes
FamilyAcestrorhamphidae
GenusGymnocorymbus
SpeciesGymnocorymbus ternetzi
Described byBoulenger, 1895

In other languages

English: Black Widow Tetra
German: Trauermantelsalmler
Spanish: Monja albina
Dutch: Zwarte tetra
Turkish: Siyah Tetra
Russian: Тернеция
Chinese: 裸頂脂鯉

Quick answers

Black skirt tetra size: how big does it get?: Adults reach about 6 cm. The largest on record measured 7.5 cm (standard length). The largest of the 13 Acestrorhamphidae species on LumaReef (Ember tetra is the smallest, 2 cm).
Black skirt tetra tank size: what is the minimum?: A tank at least 75 cm long. In LumaReef that is the Standard tank or larger.
Black skirt tetra water parameters: what does it need?: Temperature 20–26 °C, pH 6.0–8.0, hardness 2–20 °dGH. Cooler than most Acestrorhamphidae on LumaReef (23–28 °C).
Black skirt tetra tank mates: what can it live with?: It gets along with 57 of the 99 freshwater species in the catalogue, such as Silver hatchetfish, Pearl danio, and Bronze corydoras.
Black skirt tetra: alone or in a group?: Keep at least 12 together.
Black skirt tetra and plants: is it plant safe?: Yes, it leaves plants alone.