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9 Editor’s Page by James M. Lawrence
10 Reef News
from the world of marine science
22 Reef Visions
by Matt Pedersen

30 Urchin Renewal, Part I — Can bringing back a keystone herbivore help save disappearing reefs? by Martin A. Moe
46 Reef Ghosts from a Land Down Under — Comets (Marine Bettas) & Assessors
by Scott W. Michael
64 CORAL Explorer  — Pavona! Part II — A guide on the wild side
by Russell Kelley

72 Duane’s World — “Reef Time in Seattle? Excellent!
by Duane and Robin Oestreich

85     Species Spotlight: Torch Coral Euphyllia glabrescens by Felicia McCaulley with images by Michael Vargas
98     Advanced Aquatics: Nitrification in marine aquaria, Part III Smarter—and faster—nitrogen cycling in a new aquarium system
by Timothy A. Hovanec, Ph.D.
106     CORAL Sources:
Outstanding aquarium shops
108     Coralexicon:
Technical terms that appear in this issue
110     Reef Marketplace:
The marine products showcase
112     Advertiser Index
114     Reef Life:
by Denise Nielsen Tackett

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