Parrotfish predation

1. Spot biting (M-P): Focal and multifocal scrapes and pairs of bite marks, each <2 cm elongate, concentric or irregular in shape; acute lesions and recovering lesions (P) may occur together.
2. Focused biting (Q-T): loss of larger areas of tissue and skeleton to depths of 1-2 cm; removal of entire knobs, projections, branch tips (R), and edges of plates; focal, multifocal, coalescing and linear lesions 2-50 cm diameter; lesions expand from the perimeter across exposed surfaces (S); tissue in depressions/ bases often undamaged (Q).

Damselfish predation

1. Lesions on Acropora are circular to irregular (<2 cm in diameter) and may occur over the entire branch; accelerated calcification may result in chimney-like structures (G-H). Lesions may also become larger, resembling white patch disease; no skeletal damage but corallites often broken
2. S. planifrons bite on the projecting ridges of brain corals (J-L) removing tissue from one or more ridges. As ridges are colonized by algae, fish bite new areas causing the lesion to radiate out in a linear or annular manner. This condition is also called Ridge Mortality. On faviids, fish bite individual round corallites which will appear white, often with a tuft of filamentous algae (I).