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Wood Catfish

Glanidium leopardum

A leopard-spotted catfish from Guiana's leaf-littered creek systems.

Wood Catfish
AI-generated illustration
© Google Gemini 2.5 Flash Image · AI-generated

About

Wood Catfish (Glanidium leopardum) is a small, secretive catfish from the coastal river systems of the Guianas in South America, where it favors shallow, slow-moving creeks with sandy or muddy bottoms blanketed in plant debris and leaf litter. Its common name doesn't quite prepare you for its appearance. This is a boldly patterned fish, covered in dark spots against a lighter body that serve as genuine camouflage among the dappled light and organic clutter of its natural habitat. Unlike some of its relatives in the Auchenipteridae family, this species tends to inhabit the upstream reaches of river systems rather than estuarine zones, and wild captures suggest it leads a largely solitary life. In the aquarium, that translates to a fish that appreciates plenty of cover. Driftwood, leaf litter, and dim lighting will all help it settle in. It's an omnivore and not particularly fussy about food, which works in the keeper's favor, but its intermediate care rating reflects the need to replicate soft, clean, well-oxygenated conditions with appropriate hiding spots. At under four and a half inches fully grown, it fits reasonably well into a dedicated setup without demanding enormous space. Not a community centerpiece, but a genuinely interesting fish for someone who enjoys observing subtler behavior.

Frequently asked questions

How big does the Wood Catfish get?
The Wood Catfish reaches about 2.5–4.5" as an adult.
What size tank does the Wood Catfish need?
A minimum of 30 gallons is recommended for the Wood Catfish.
What water parameters does the Wood Catfish need?
The Wood Catfish does best with a temperature of 70–75°F, a pH of 6.5–7.5, hardness around 10–15 dGH.
Is the Wood Catfish aggressive?
The Wood Catfish is generally peaceful and suits a community tank with similarly calm tankmates.
What does the Wood Catfish eat?
The Wood Catfish is an omnivore. It does well on a varied diet of quality flake or pellet plus occasional frozen or live foods.
How long does the Wood Catfish live?
With good care, the Wood Catfish typically lives 3-5 years.