Dictionary of Ichthyology  

disc lamella = one of the flattened overlapping folds derived from fin rays on the head of remoras (Echeneidae) forming the sucker for attachment to other fishes and to whales.

Echeneis lineata (= Phtheirichthys lineatus) from Günther's "Fische der Südsee". Photograph by Brian W. Coad.

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