Operculum is the hard scalelike cover of the gills of bony fishes. Cartilaginous fishes (such as sharks, skates and rays) all lack a gill cover.
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Marine & Freshwater Environmental Education
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Connecting to my watershed – Part I
I rarely preach on this blog. But, I just watched a documentary called “No Impact Man” where the writer, Colin, and his family decide to reduce their impact on the environment. He wanted to reduce to nothing. They even went for 6 months without any electricity in their 5th Avenue apartment. I was skeptical. He […]
A Few Lines from Rehoboth Beach by Fleda Brown
Dear friend, you were right: the smell of fish and foam and algae makes one green smell together. It clears my head. It empties me enough to fit down in my own skin for a while, singleminded as a surfer. The first day here, there was nobody, from one distance to the other. Rain rose […]
Spend your tax refund at United by Blue!
United by Blue is an organization that is dedicated to making and seeing a difference in our world, with particular attention on the oceans. Brian Linton started the company in May of 2010 and sells amazing apparel, jewelry, and bags and makes certain to remove 1 pound of trash from the world’s oceans and waterways […]
Happy Birthday, Beach Chair Scientist!
Today marks the one year anniversary of the first Beach Chair Scientist post! Thank you all so much for all of your amazing contributions. Without your insightful inquiries the forum would not be nearly as entertaining. To mark this occasion I thought we would simply count down the top ten most visited posts over the […]
Penguins and pebble proposals
Have you seen this floating around the internet these days “33 Awesome Marriage Proposals You Couldn’t Say No To“? Well, I’m a romantic so I read them all and boy was I excited when I made it to #32 … all about that cute and fluffy flightless bird, the penguin. Check out the image below: […]
Belly biology creates lasting memories
It’s the dead of winter and I am Reminiscing about last summer. My husband and I both turned 40 in 2019 and we splurged on a family vacation to Alaska. It’s been over six months and the most memorable part of the trip for our nine and six year old was an afternoon we spent […]
From Sandy, coastal towns learn ‘dune’ diligence lesson. Is it enough?
The superstorm still affecting millions along the mid-Atlantic is a wake-up call. The damage due to flooding and fires is unmatched to any other storm in recent history. Experts say the event will not be an unfamiliar one in future decades due to an influx of people living along the coast and the impending sea […]
Are we breaking up with Mother Nature?
Has it gotten to the point that when you do connect with Mother Nature it seems like an awkward hug? It’s been said time and time again that we’re better off taking a step away from technology to reconnect with Mother Nature as a regular part of our daily lives. The benefits of establishing a […]
What are the fastest fish in the sea?
Not too long ago, I provided an update on the fastest fish in the sea, the Indo-Pacific sailfish (Istiophorus platypterus). I thought it would be interesting to do some research on how fast this fish is in comparison to other animals on land and in the sea and create a graphic to illustrate it. First, […]
10 brief facts on bioluminescence
We all get excited thinking about bioluminescence in nature. Ironically, that excitement is only one of the reasons animals glow like an elf in Middle Earth. Here are some ‘basics on bioluminescence’ you can share with your friends and family the next time you all ogle a firefly and wonder ‘why?’. Insects (e.g., fireflies, glow […]
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- Hurricane vs. Cyclone vs. Typhoon
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- Beyond the bag: Other plastics being banned
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