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.
Image (c) www.webs.lander.ed
Marine & Freshwater Environmental Education
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.
Image (c) www.webs.lander.ed
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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 […]
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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 […]
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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 […]
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 […]
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 […]
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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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