Last Wednesday I went for a quick dive at Silver Steps in Falmouth, good viz and the water is no longer cold. Buddy Chris (above) and I rummaged around the U-boat wreckage (less impressive than it sounds) and unfortunately did not see any cuttlefish. What was new was a largish Topknot Zeugopterus punctatus which was gone before I could take a decent photo. I also saw seacucumbers for the first time diving (have seen them before when rock pooling, including parasitic snails). They could be Pawsonia or Aslia, but with the bodies wedged in the rocks and only the feeding tentacles visible it is not possible to tell. Sand eels were abundant and Sand smelt Atherina presbyter were also present at the surface. I hope to go back soon to practice with the strobe. I did a second dive in Flushing with Thomas too. Enjoyable but not too many great shots. I included one of Sand mason worms Lanice conchilega and fan worms Megalomma vesiculosum.
Finally, time for a (solo)dive last Saturday, at probably the most accessible local site: Silver Steps in Falmouth (you can just make out the steps in the photo above). The sun and high tide had attracted quite a lot of other divers too, including University of Exeter and Falmouth University students learning the ropes. I was very keen to get in the water and take photos but my approach is probably not the best: I just shoot whatever happens to be in front of me. Better results could be obtained to specifically look for macro subjects, to stay in the water column and search for jellies, befriend the Ballan wrasse or stay put in front of a Leopard-spotted goby hide-out (or check out seaweeds of course). I’ll do one of these things next time, for now, some random shots. I spotted several Spider crabs; these are always shy and try to quickly retreat, except for one. This big crab came after me as soon as we spotted each other. I should have tried more shots, as unfortunately he did not fit the frame. You can see in the short movie why I didn’t!
The viz was not great (I find it hard to estimate it in meters though). In the water I noticed a small hydrozoan Leuckartia octona. The underside of some wreckage harboured Light bulb sea squirts (see previous post) and some were predated on by Candy striped flatworm Prostheceraeus vittatus. (I brought my new LED light with me to help bring some colour out but I just ended up with combinations of glare and shadows so stuck to my normal natural light pics.) Next, a curious Ballan wrasse Labrus bergylta. Finally, some not so clear shots that nevertheless give a good impression of how tall the invasive Wireweed Sargassum muticum are growing. Hopefully more dive posts soon!
Summer is really over and the water temperatures are down from around 17°C to 13°C. We have not made it to any of the wrecks or rocks off The Lizard and the last set of dives was just of the good old Silver Steps in Falmouth. We had set ourselves some goals though: Chris needed Snakelocks anemones for his student projects and I wanted to catch myself some Leopard-spotted gobies for the aquarium. The Snakelocks were collected quite easily as they are so abundant. For the fish, I had bought a cheap foldable trap. The idea was to set it up in a little overhang housing the gobies, weighing it down with some rocks and come back the next day to take it back out. For bait, I had brought a chickenbone leftover from someones lunch at work. Below, a crappy pick of the trap wedged between rocks and below that a snap of some of the catch the next day (I had a two-piece websuit and in combination with an almost empty tank I was getting too buoyant to take decent photos): Three nosy Tompot blennies and also a small Conger eel; no Leopard-spotted gobies. So at least I know that in principle next year I can try trapping fish, but it might be hard for the gobies as they are very reclusive and do not barge into nets as Tompots do. The first dive, the visibility was OK(ish) and we saw a Cuttlefish Sepia officinalis. Although I have seen them before, you never get tired of them!
No other special finds. The place was absolutely swarming with Spiny starfish and most Snakelocks seemed to have multiple Leach’s spider crabs underneath them. I saw another Blackfaced blenny. Next year it is high time to dive further and deeper and also to finally get some gobies into the aquarium!
Went on a good dive at Silver Steps in Falmouth yesterday.The visibility wasn’t that great, but for the most part we were rummaging under overhangs in gulleys just off the coast. Sweeping aside the kelp reveals many fine red seaweeds, sponges, bryozoans and small Devonshire cupcorals. We saw the ubiquitous Tompot blenny Parablennius gattorugine as well as a Bib (or Pout) Trisopterus luscus. Overhead there were many Sandeels as well as some relatively large Pollock Pollachius pollachius hunting them:However, there was a much more remarkable fish we spotted, namely the Black-faced blenny Tripterygion delaisi. We first saw a male, bright yellow with a black head and beautifully skyblue-lined fins. Only after a while we noticed the inconspicuously coloured female. The male is coured this way only in the breeding season. (We later saw another larger male, no female, although that was probably closeby.) My fish guides tell me that this Mediterranean species was first spotted in the UK in the 70s and that it is currently present in only two or three locations on the South West coast. Some browsing on the web has told me that in recent years they have been recorded in more locations but they still must be relatively rare (and I therefore won’t be attempting to catch them). Global warming will likely extend the range of this species more firmly northwards; one of the very few positive effects of our addicition to carbon… Lastly, I now managed to get a shot of the Candy striped flatworm Prostheceraeus vittatus:
Last weekend I went for a snorkel of Silver Steps at Pendennis Point in Falmouth. Visibility was bad because of the plankton bloom, but this also meant that I could admire the many small jellies floating about. Very hard to get a good shot of these though; might be worthwhile to collect some in a beaker and photograph them in my cuvet back on land next time. My eye was drawn to a giant Barrel jellyfish struggling against the rocks, but then I noticed something a lot cooler: the beautiful nudibranch Facelina auriculata. I was so eager to get in to the water that I had forgotten to put my weight belt on so it was a struggle to dive down and hold still for a macroshot, but this one is relatively sharp (if you want to see beautiful pictures of native nudibranchs I recommend joining the NE Atlantic Nudibranch facebook group). Also spotted the large and beautiful flatworm Prostheceraeus vittatus but did not manage to get a shot, will go back this weekend to try to find them both again!
I am really getting back into this diving thing! Last week, I made another trip to Seaways Dive Centre in Penryn to rent some gear (£25 for 24 hrs) and go out with dive buddy Chris. First a dive at the end of the day at low tide at Silver Steps in Falmouth. A great encounter a minute after we got in with a cuttlefish:
We then set out over the gravel beds towards the open sea. A pretty barren affair, with lots of decaying seaweed. Mainly Spiny and Common starfish and Pulled carpet shell Tapes corrugata, Warty venus Venus verrucosa and Rayed Artemis Dosinia exolata. A picture of the latter being eaten by a common starfish:
Turban top shells Gibbula magus were on my list to get for the aquarium and I noticed that this species is extremely common (several per square meter) so I took a bunch home. The shells look pretty beaten up with lots of stuff growing on ’em but I think they are pretty cool; truly subtidal so no risk of them creeping out of the tank:We then made it back to the rocky coast and found a nice gully with overhanging rocks with lots of interesting critters. One little cove was home to ten or so shy Leopard-spotted gobies (I plan to go back with my GoPro and leave it there filming for half an hour to pick it up later). We found a big lobster Homarus vulgaris, a beautiful Bispira volutacornis worm (I have already posted pics of these species recently and I will try to show more self-restrainst from now on and not keep posting similar photos). Also for the first time some large Edible sea urchins Echinus esculentus. Probably a really common species when you dive a little deeper but the very first time I saw it. Have to practice a bit more with the new Canon Powershot D30 as I am not completely convinced about its qualities yet (I did not bother to post-process any of the pics btw).
Having a diving certificate, being passionate about marine life and having lived in Cornwall for the past few years, it was a bit of a crime to not have been diving (bar a single dive last year). Last week I had the opportunity to join some experienced divers and went for two dives. The first dive was at local spot Silver Steps in Falmouth. We did not go deep (8 meters or so) and could stay in for over an hour. We spotted some cuttlefish (too shy to be photographed), a Greater pipefish Syngnathus acus and two Snake pipefish Entelurus aequoreus. A picture (made with my recent Canon Powershot purchase) of me (looking rather angrily) holding the latter species:For the second dive, we went to Porthleven, west of the Lizard peninsula and sheltered from the easterly winds. It was hard to figure out where to best enter the water; east of the village the cliffs seemed a bit high. In the harbour itself we still had to clamber of some rocks and then had to swim out a bit first to stay out of the way of any passing boats:This dive site was prettier than the first one: there was a larger rock face covered by seaweeds (notably the large Desmarestia ligulata that was completely absent from Silver Steps) with a clean sandy bed beneath (loads of Two-spotted gobies around as always). Lobsters Homarus vulgaris seemed to be relatively common, as we did not particularly look hard but found two individuals (as well as a Spidercrab Maja squinado):
One of my dive buddies pointed out a fish, I enthusiastically but mistakenly chased a small Bib Trisopterus luscus; much to their bemusement they were actually pointing at a Red gurnard Aspitrigla cuculus. It was not shy at all: