Long-fin Black-skirt Tetra Black-skirt Tetra — Variety Guide
Long-fin Black-skirt Tetra — one of the black-skirt tetra varieties owners search for by name.
Long-fin Black-skirt Tetra is one of the black-skirt tetra varieties people look up by name. This page answers the questions owners actually type about long-fin black-skirt tetra, then points you to the sourced black-skirt tetra care guidance that applies to every variety.
A hardy 2.5-inch schooling tetra with flowing black fins, tolerant of a wide range of water and a great first tetra for beginners.
Quick answer: Long-fin Black-skirt Tetra is a variety of black-skirt tetra. Everything on this page is black-skirt tetra-level guidance — we do not invent variety-specific numbers.
The care below is black-skirt tetra-level guidance from our species hub, sourced to Merck Veterinary Manual — Aquarium Fish: Husbandry and Diseases and RSPCA — Aquarium fish care advice. It applies to Long-fin Black-skirt Tetra exactly as it applies to every other black-skirt tetra variety. We do not publish variety-specific temperament, lifespan or weight numbers that we cannot source.
How to care for Long-fin Black-skirt Tetra Black-skirt Tetra: the sections below follow the black-skirt tetra baseline — we do not invent variety-specific routines.
How long do Black-skirt Tetras live?
They live about 3-5 years with reasonable care. Their hardiness means beginners usually keep them successfully longer than the more delicate neon-type tetras.
What do Black-skirt Tetras eat?
They are unfussy: flake, pellets, and frozen/live foods like bloodworms and daphnia all work. The main error is overfeeding, which fouls water; feed what they finish in two to three minutes, once or twice daily.
How big do Long-fin Black-skirt Tetra Black-skirt Tetra get?
Black-skirt Tetras (Gymnocorymbus ternetzi) reach about 2.5 inches (6 cm) and show a dark band through the body and long, trailing black fins.
This figure is species-level: Long-fin Black-skirt Tetra is a variety of black-skirt tetra, so we do not publish a separate number for it. Sources and full data on the Black-skirt Tetra species profile.
How long do Long-fin Black-skirt Tetra Black-skirt Tetra live?
They live about 3-5 years with reasonable care.
This figure is species-level: Long-fin Black-skirt Tetra is a variety of black-skirt tetra, so we do not publish a separate number for it. Sources and full data on the Black-skirt Tetra species profile.
What do Long-fin Black-skirt Tetra Black-skirt Tetra eat?
They are unfussy: flake, pellets, and frozen/live foods like bloodworms and daphnia all work. The main error is overfeeding, which fouls water; feed what they finish in two to three minutes, once or twice daily.
This figure is species-level: Long-fin Black-skirt Tetra is a variety of black-skirt tetra, so we do not publish a separate number for it. Sources and full data on the Black-skirt Tetra species profile.
What people ask about Long-fin Black-skirt Tetra
Long fin black skirt tetra?
This is one of the questions people actually type about long-fin black-skirt tetra. The sourced black-skirt tetra answer lives in our species hub, linked from this page — the same rules apply to Long-fin Black-skirt Tetra as to any other black-skirt tetra variety.
Long fin black skirt tetra tank mates?
This is one of the questions people actually type about long-fin black-skirt tetra. The sourced black-skirt tetra answer lives in our species hub, linked from this page — the same rules apply to Long-fin Black-skirt Tetra as to any other black-skirt tetra variety.
Long fin black skirt tetra lifespan?
This is one of the questions people actually type about long-fin black-skirt tetra. The sourced black-skirt tetra answer lives in our species hub, linked from this page — the same rules apply to Long-fin Black-skirt Tetra as to any other black-skirt tetra variety.
Long fin black skirt tetra size?
This is one of the questions people actually type about long-fin black-skirt tetra. The sourced black-skirt tetra answer lives in our species hub, linked from this page — the same rules apply to Long-fin Black-skirt Tetra as to any other black-skirt tetra variety.
Long-finned black skirt tetra food?
This is one of the questions people actually type about long-fin black-skirt tetra. The sourced black-skirt tetra answer lives in our species hub, linked from this page — the same rules apply to Long-fin Black-skirt Tetra as to any other black-skirt tetra variety.
How Long-fin Black-skirt Tetra compares with other black-skirt tetra varieties
Long-fin Black-skirt Tetra is listed alongside the other black-skirt tetra varieties we cover. For the traits varieties of a group tend to share — adult size, lifespan and baseline care — use the Black-skirt Tetra species profile; we do not assert differences we cannot source.
Sources
- Merck Veterinary Manual — Aquarium Fish: Husbandry and Diseases — verified 2026-10-18
- RSPCA — Aquarium fish care advice — verified 2026-10-18