Category Archives: The sea

Walruses suck!

They really do! Let me explain. I’d only seen walruses (Odobenus rosmarus, ‘odobenus’ from the Greek meaning ‘tooth-walker’; they sometimes haul themselves out of the water using their tusks) in TV documentaries, a la David Attenborough. I think Taronga Zoo … Continue reading

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Arctic sea angels

One thing I didn’t expect to see in the Arctic was marine invertebrates, but of course in the Arctic summer there is a huge upwelling of plankton via the deep ocean currents, providing literally tonnes of food for fish and … Continue reading

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Walruses, seals and a polar bear, oh my!

Walruses rule! At lunchtime in the Arctic one day (oh, how I like that phrase!), I decided the trip couldn’t get any better – I’d just seen a colony of walruses and was musing on their amazingness. Little did I … Continue reading

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Dwarf sea hare at Woody Head

Thanks to Peter Scharf for the photo of this dwarf sea hare, Aplysia parvula, taken while he was snorkelling off the reef at Woody Head in early January 2017. The Sea Slug Forum gives information about this species, plus a … Continue reading

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Another Woody Head nudibranch

I’d already seen Sebadoris fragilis at Flat Rock, Ballina, but it’s always a joy to see any nudi, anywhere, anytime. This one was found by Peter and Linda, snorkelling off the rocks at Woody Head. Thanks to Peter for the … Continue reading

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Spring low tide at Flat Rock

The rock pools at Flat Rock have been covered in sand for a few months, but gradually the sand is clearing and seaweeds and algae (with associated fauna) are coming back. The lowest tides of the spring give a good … Continue reading

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Shell eats starfish

The Australian Institute of Marine Science has posted an article and a great video of a Pacific triton (Charonia tritonis) eating a crown-of-thorns starfish (Acanthaster planci). Click here. The article discusses the predator/prey relationship between the two.   This starfish … Continue reading

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