Mark van der Wal
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Sunday Morning Coffee, Reef diving photos with a twist

Jason Isley staged some humorous and creative photos of marine life while diving. In his description, he cites that he was bored photographing macro life in typical fashion. Which explains these great photos. Not only are these pics amusing, they…

Melibe colemani, a transparent nudibranch and stellar example of reef diversity

At first glance, you would think you are staring at some hydroids or sponges. But what you are seeing is a transparent anatomy of a newly discovered nudibranch.  It’s easy to see how such a unique slug avoided discovery until…

Sunday Morning Light Reading: Cycloseris on a Coldplay Album?

Coldplay is a household name in popular music these days but that wasn’t always the case. So why are we talking about them on a reef aquarium forum?  Shortly after their debut EP, Coldplay released another rare EP, called “The…

First impressions of the E.Shine AquaSun LED light

The variety of LED fixtures in the reef aquarium market continues to grow, and there are a number of Chinese manufacturers jumping into this segment. One of the more established companies is E.Shine. They recently sent us their latest model,…

The Sea Sweep and Multi-Size Sea Swirl Review

Following up on the unboxing of Aquarium Currents’ newest products, it is time for a full review of the SeaSweep and multi size Sea Swirl. To recap, both the Sea Sweep and new Sea Swirl offer a means to create…

Sundays, Coffee, and unconventional reef aquariums

[vimeo]http://vimeo.com/2355244[/vimeo] It’s Sunday morning, and I’m drinking coffee while procrastinating a water change. If your morning could use a little reef building love, check out these videos of Minh’s old reef aquarium. Skimmerless and heavily fed, this tank is an…

Unboxing two new Aquarium Currents products: The Sea Sweep and New Multi-Size Sea Swirl

Aquarium Currents has been around a long time and the American-made Sea Swirl, one of its signature products, has been available to hobbyists since 1998. Another newer and innovative product is the Sea Sweep, which is an oscillating device for propeller pumps like the Tunze…

The New Tunze Stream 6105 – lots of flow in pure silence

I’m a quirky reef hobbyist and as mentioned in earlier posts, I keep my reefs with ‘careful neglect‘. I like equipment that is quiet, reliable, and low maintenance. I’ve gone through countless skimmers and reactors to find ones that fit…

New study finds that biodiversity doesn’t always equal resiliency

A recent study suggests that corals with greater diversity of symbiodinium (aka zooxanthellae) are more sensitive to environmental changes than corals with fewer variety of symbiodinium. Published by the Royal Society Biological Sciences, the research breaks down the corals as…

Lionfishlair is an informative resource for everything scorpionfish

Recently, I shared my experiences with the elusive Blue-Fin Lionfish, Parapterois heterura. Scorpionfish are definitely exciting fish to keep, but they shouldn’t be tried by an uninformed hobbyist. www.lionfishlair.com is a site dedicated to keeping this family of venomous fish. It…