TRACE ELEMENTS
Volume 8 Number 2
2 Letter From Europe by Daniel Knop
5 Editor’s Page by James M. Lawrence
6 Letters
8 Reef News
20 Rarities: The Scarlet or Freckled Frogfish (Antennarius coccineus) by Inken Krause
26 Interview: Russell Kelley by Daniel Knop
FEATURE ARTICLES
34 Trace Elements by Daniel Knop
40 What Are Trace Elements? by Dr. Dieter Brockmann
44 Trace Element Deficiency in the Coral-Reef Aquarium by Dr. Dieter Brockmann
50 To Dose or Not to Dose by Ret Talbot
58 Boxer Crabs — Two from one: the Boxer Crab’s secret tricks by Sylvia Weimann
72 Sustainable Aquatics by Ret Talbot
82 Vampires of the Sea by Ronald L. Shimek, Ph.D.
AQUARIUM PORTRAIT
95 A Domestic Dream – The aquarium of Stefan Ebert by Inken Krause
DEPARTMENTS
105 Species Spotlight: The Green Palm Tree Polyp by Daniel Knop
110 Reefkeeping 101: External sumps, part two: what’s best? by Daniel Knop
118 Coralexicon – Technical terms that appear in this issue
122 Advanced Aquatics: Changing tides in aquarium sustainability by J. Charles Delbeek
126 Advertiser Index
128 Reef life by Denise Nielsen Tackett and Larry P. Tackett