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African Mudskipper

Periophthalmus barbarus

Brackish West and central Africa

A fascinating amphibious goby capable of walking on land and breathing air via specialized skin and gill chambers. It requires a dedicated paludarium with gently sloping sand banks and warm, humid air. It is fiercely territorial and best housed singly to avoid lethal combat.

Also called: Atlantic mudskipper, Jumbo fish, Mud-hopper, Mudskipper.

15 cm adult length, drawn to scale. slim body.

Brackish species. Needs a little salt in the water, below full marine strength. It will not mix with most freshwater fish.

Try it in the planner Opens a tank sized to its minimum with 1 fish added.

What it needs

ItemValueBecause
Adult length 15 cm Used for the Space check: the tank must be long enough for the fish to turn round.
Smallest tank 150 L, at least 90 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 50 L estimated What each further fish adds once the minimum is met.
Waste load Class 3 of 5 estimated How much waste an adult makes against its size. Feeds the Load check.
Temperature 24 to 30 C Stock sharing a tank need overlapping ranges.
pH 7.5 to 8.5 Compared with tankmates in the Water check.
Hardness GH 10 to 25, KH 8 to 16 Degrees of general and carbonate hardness.
Flow Low Low-flow fish are stressed in a strong current.
Light Moderate Matched to the lighting class on the needs sheet.
Group size Single fish is fine Not a schooling species.
Temperament Aggressive Territorial: strong.
Swims in Near the bottom Fish that use different levels share a tank more easily.
Lifespan About 5 years A fish is a long commitment.
Experience Experienced keepers only A guide to how forgiving the species is of mistakes.
Jumps Yes Keep the tank covered.

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

African Mudskipper is an carnivore that swims in the lowest part of the tank. It is safe with plants. Give it plenty of cover. It digs, so anchor plants and keep hard rock off loose sand. It will eat fish small enough to swallow.

Tankmates

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.