What’s the connection between pairs of fish and ‘rocks’?

Answer: Whenever you find female and male fish together, you will always find ‘rocks’!

This photo shows a breeding pair of Crested Pipefish (Histiogamphelus briggsii) at Rapid Bay jetty recently: –

You can see the gravel and limestone chips on the substrate, along with a few Goolwa pipi valves, courtesy of recreational fishers.

The valves contain much calcium, coalesced by that species from inanimate to organic, an element transformed into one of nature’s countless artworks. A humble bivalve itself resembles, very superficially, a pair of wings (and on it goes).

This was my entry point for my dive: –

I’ve now arrived, circuitously, at a truth so very obvious.

All is connected, continua are the only reality.

Geology and Biology are inseparable.

Here is another photo of the two pipefish: –

Do these two pipefish, as Great Southern Reef endemics, matter more than inorganic substances such as limestone and methane?

Or less?

Neither! They are equal in importance – in life and in death.

So, at the human social level, those things we call Societies, it seems a merger of rocks and temperate marine lifeforms is feasible.

By David Muirhead

Life member David is a long-serving Secretary of the Marine Life Society of South Australia. He has dived and snorkelled in South Australian waters for around five decades and has a particular interest in bony fishes. He is a diver photographer who loves posting photos from his dives to iNaturalist

One thought on “Fish ‘n’ Rocks”
  1. FTR, my weird article about finding rocks where there are fish was a late night draft. I was half asleep but couldn’t get out of my mind the unlikely possibility that MLSSA could merge with the Royal Geographical Society of South Australia. Silly stuff, really. Sure, they cover biology not just geography and geology. But they have more than a thousand members, which certainly beats MLSSA!! Maybe MLSSA could consider a submerger? (LOL)

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