What is the general coloration of the Wels Catfish back and sides, aiding camouflage?

Answer

Olive-green to dark grey or even black

The general coloration scheme of the Wels Catfish is adapted for concealment within its preferred environment. The pigmentation along the back and sides of the fish typically presents as dark, ranging through olive-green, dark grey, or even approaching black. This darker upper coloration serves as effective camouflage, allowing the fish to blend seamlessly against the murky or dark substrate where it spends most of its time residing as an apex bottom-dweller. In contrast, the coloration lightens significantly toward the belly, often appearing white or pale grey.

What is the general coloration of the Wels Catfish back and sides, aiding camouflage?

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Wels Catfish Facts: a GIANT Catfish | Animal Fact Files - YouTube

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