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Ghost Catfish

Kryptopterus minor

Freshwater South-east Asia

An enchanting oddity featuring completely transparent glass-like flesh revealing its spine and inner organs. Very peaceful and easily intimidated, they must be kept in a decent shoal within a dim, tranquil aquarium. They will waste away under bright lighting or alongside rambunctious, food-stealing tankmates.

Also called: Glass.

7 cm adult length, drawn to scale. eel body.

Try it in the planner Opens a tank sized to its minimum with 6 fish added.

What it needs

ItemValueBecause
Adult length 7 cm Used for the Space check: the tank must be long enough for the fish to turn round.
Smallest tank 100 L, at least 80 cm long estimated The least water and floor length this species is kept in for good, as a single fish or smallest group.
Extra water per added fish 8 L estimated What each further fish adds once the minimum is met.
Waste load Class 2 of 5 estimated How much waste an adult makes against its size. Feeds the Load check.
Temperature 22 to 27 C Stock sharing a tank need overlapping ranges.
pH 6 to 7.2 Compared with tankmates in the Water check.
Hardness GH 4 to 10, KH 2 to 6 Degrees of general and carbonate hardness.
Flow Low Low-flow fish are stressed in a strong current.
Light Dim Matched to the lighting class on the needs sheet.
Group size At least 6, ideally 10 Kept alone or in small numbers it hides, fades or turns on tankmates.
Temperament Peaceful Not territorial.
Swims in Middle water Fish that use different levels share a tank more easily.
Lifespan About 5 years A fish is a long commitment.
Experience Some experience helps A guide to how forgiving the species is of mistakes.

Tags marked estimated are judged from the size and habits of the species rather than measured, so treat them as a sensible default.

Diet and tank layout

Ghost Catfish is an carnivore that swims in the middle of the tank. It is safe with plants. Give it plenty of cover.

Tankmates

Works with

No close matches in the data. Check the pair tool.

Depends

Avoid

Compare any two fish on the compatibility page, or print the equipment for a stock on the needs sheet. How this is worked out: the method.