A Happy Christmas

Of all the small intricate animals I like to photograph underwater, Christmas tree worms are among my favorites; in my book, they are only outranked by nudibranchs.  I thought I’d share some of my favorite Christmas tree worm images, this time from the Indo-pacific,...

The impacts of releasing marine ornamental species

Published August 17, 2016 Introduction The introduction of species into areas outside of their native habitat is a concern for all ecosystems, both terrestrial and aquatic. These non-native introductions occur through a variety of pathways including intentional introductions, accidental releases, and natural events such as hurricanes. The majority of species released into new, non-native areas either are not able to establish within the introduced range, or are able to establish but do not cause significant damage. However, a small percentage of these introductions become established and cause severe environmental and economic damage; these are referred to as invasive species. In the marine environment, accidental release through the ballast water exchange of oceangoing vessels has traditionally been cited as the most likely pathway for marine species

The 5 Most Common Mistakes Experienced Marine Aquarists Make

Ever notice that there are lots of articles and posts out there with titles like “The Top 10 Mistakes Novice Marine Aquarists Make”? Considering that newcomers are generally much more susceptible to making major errors than their experienced counterparts are, this stands to reason. However, just because the slip-up spotlight is usually focused on newbies doesn’t mean experienced hobbyists never make mistakes. In fact, they still make their share of blunders, most of which stem from complacency or overconfidence.So, turnabout being fair play—and to give hobby newcomers a break for a change—let’s look at what I would consider the 5 most common mistakes experienced marine aquarists make: 1. Failing to test Experienced hobbyists may like to believe they can ascertain the nitrate level in their tank by simply sniffing the water (“Mmm, smells like 20 ppm to me. Time for a water change!”), but the fact of the matter is, routine testing of water parameters is just as important for advanced hobbyists as it is for newbies. True, they probably have a pretty solid maintenance regimen in place, so water-quality problems aren’t likely to develop suddenly