Smalltooth Emperors and Barrel Sponge
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![smalltooth emperor (Lethrinus microdon) and barrel sponge (Xestospongia testudinaria)](../images/smalltooth-emperors.jpg)
The smalltooth emperor (Lethrinus microdon) assumes a mottled colour when feeding. Here they are picking at the surface of a barrel sponge (Xestospongia testudinaria).
The smalltooth emperor (Lethrinus microdon) assumes a mottled colour when feeding. Here they are picking at the surface of a barrel sponge (Xestospongia testudinaria).