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Lizard fish, Philippines. Photo by Stephane Rochon.

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http://cuttlefishcountry.com Each Winter, Giant Cuttlefish gather in their thousands near Whyalla to court, mate and lay their eggs. The only known place in the world this can be witnessed is in the shallow waters off Point Lowly, in the upper Spencer Gulf of South Australia. A relative of squid and octopus, this animal's intelligence and versatility is amazing to behold. Adult males strobe zebra-patterns along their mantles and down their tentacles, stretching out to impress the females and contest other males for their attention. Smaller females can be selective about the paternity of their young, mating several times, storing sperm packets from several males and finally selecting the father according to her own preferences. After mating and laying, both male and female Giant Cuttlefish die, making their population particularly vulnerable to commercial fishing and environmental change. If the animals are fished before they reach the breeding grounds, they will have never had the opportunity to reproduce! 

There are presently a number of multi-million dollar proposed industrial developments pegged for the same strip of coastline by Point Lowly, and fierce opposition to the developments has arisen from community groups, scientists and conservationists. Immediate risks to the cuttlefish include damage to their organs received from low frequency sound (the product of construction and shipping) and the potential for raised salinity, a direct bi-product of the desalination process, altering the delicate conditions their eggs require in order to successfully hatch. 

This story is being explored in detail in the forthcoming danimations documentary film 'Cuttlefish Country' (working title) due for release in October 2011. Directed by Dan Monceaux and produced with Emma Monceaux, the film will survey the current state of play on the Point Lowly developments, and the extreme differences of opinion and agenda at work. 03:07

Port Bonython Fenceline
Australia

Polychaete worms and sea cucumbers. Part 23 of my DVD, "Reef Life of the Andaman", available at http://www.bubblevision.com/marine-life-DVD.htm

First we look at a feather duster worm, Sabellastarte sp., at Shark Cave in the Burma's Mergui Archipelago, and a hard tube coco worm, Protula bispiralis, at Richelieu Rock, north of the Similan Islands in Thailand. These polychate worms are rooted statically to the reef and feed by filtering plankton from the water with their tentacles and passing it into the central mouth.

Colorful Christmas tree worms, Spirobranchus giganteus, are common at many dive sites throughout the Andaman Sea. They embed themselves into porous stony corals and are highly sensitive to disturbances. At the slightest sign of danger, the worm retracts into the coral and seals the opening.

Also seen in the Mergui Archipelago, the large burrowing sea cucumber, Neothyonidium magnum, a type of Echinoderm, is another filter feeder. It roots itself into the substrate and holds its outer tentacles in the current. When it has captured sufficient plankton the tentacles reach down toward the centre, allowing the smaller inner tentacles to scoop the food into the mouth.

The Graeffe's sea cucumber, Pearsonothuria graeffei, is common at shallow depths in the Andaman Sea. Its mouth contains 25 adhesive black tentacles which it uses to walk over the reef and to pick up food from the substrate.

The mouth of the amberfish sea cucumber, Thelenota anax, contains 18 tentacles and is underneath the body. After digesting what it can from the material it has ingested from the seabed, the waste products are expelled at the anus. The sea cucumber also breathes through the anus by sucking water in and out.

The full narration is available as English, German or Spanish subtitles by turning on the closed captions (CC). There are also closed captions available showing scientific and common names of the marine life in English, German or Dutch, along with dive site names.

"Reef Life of the Andaman" is being serialised weekly on YouTube. Please subscribe to my channel to receive notifications of new episodes as I release them. The series features descriptions of 213 different marine species including more than 100 tropical fish, along with sharks, rays, moray eels, crabs, lobsters, shrimps, sea slugs, cuttlefish, squid, octopus, turtles, sea snakes, starfish, sea cucumbers, corals, worms etc..

I have more scuba diving videos and underwater footage on my website at:
http://www.bubblevision.com

I post updates about my videos, and interesting underwater videos from other filmmakers here:
http://www.facebook.com/bubblevision
http://www.twitter.com/nicholashope

The video was shot by Nick Hope with a Sony VX2000 DV camera in a Gates housing. It was edited in Sony Vegas Pro then deinterlaced with QTGMC and upscaled to 720p HD in AviSynth.

Thanks to Santana Diving of Phuket (http://www.santanaphuket.com), to Elfi and Uli Erfort and Daniel Bruehwiler for help with the German translation, and to Frank Nelissen for the Dutch subtitles.

Full list of polychaete worms, sea cucumbers and dive sites featured in this video:

00:00 Feather Duster Worm, Sabellastarte sp., Shark Cave
00:05 Hard Tube Coco Worm, Protula bispiralis, Richelieu Rock
00:14 Christmas Tree Worms, Spirobranchus giganteus, Koh Tachai
00:19 Christmas Tree Worm, Spirobranchus giganteus, Racha Noi
00:22 Christmas Tree Worm, Spirobranchus giganteus, Little Torres
00:26 Christmas Tree Worms, Spirobranchus giganteus, Koh Tachai
00:36 Christmas Tree Worms, Spirobranchus giganteus, Silvertip Bank
00:42 Christmas Tree Worms, Spirobranchus giganteus, Koh Tachai
00:50 Christmas Tree Worm, Spirobranchus giganteus, Little Torres
00:55 Christmas Tree Worm, Spirobranchus giganteus, Gabi's Reef, Racha Noi
01:00 Large Burrowing Sea Cucumber, Neothyonidium magnum, Moving Wall
01:17 Large Burrowing Sea Cucumber, Neothyonidium magnum, Black Rock
01:48 Graeffe's Sea Cucumber, Pearsonothuria graeffei, South Twin
01:52 Graeffe's Sea Cucumber, Pearsonothuria graeffei, Staghorn Reef, Racha Yai
02:15 Graeffe's Sea Cucumber, Pearsonothuria graeffei, Home Run, Racha Yai
02:33 Amberfish Sea Cucumber, Thelenota anax, Racha Noi
02:49 Amberfish Sea Cucumber, Thelenota anax, Bay 4, Racha Yai
03:06 Graeffe's Sea Cucumber, Pearsonothuria graeffei, North Point, Racha Noi
03:16 Graeffe's Sea Cucumber, Pearsonothuria graeffei, Koh Ha 03:47

Staghorn reef
Thailand

I had to remove two still photos from my original video at the request of Craig O'neill, 
cconeill@illinois.edu
I'm sorry if anyone was offended by them.
Yes It Is by Lennon/McCartney 
Arranged and performed by Tony R. Clef
http://www.youtube.com/user/troubleclef 03:11

UB88
United States of America


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  Co jest?

  • Oct 20 
    [ Zdjęcie ] Flintkote Quarry Canada, Quebec. Flintkote
  • Oct 20 
    [ Zdjęcie ] Flintkote Quarry Canada, Quebec. Flinkote
  • Oct 20 
    [ Zdjęcie ] Flintkote Quarry Canada, Quebec. Flintkote
  • Sep 22 
    [ Miejsce nurkowe ] Le Mler France, Mediterranean, Hyeres, Porquerolles
  • Sep 21 
    [ Miejsce nurkowe ] Skinaria Cave Greece, Crete
  • Sep 19 
    [ Miejsce nurkowe ] Lincoln St Bridge Canada, Ontario
  • Sep 08 
    [ Zdjęcie ] CCG Ready Canada, British Columbia, Lower Mainland.
  • Sep 08 
    [ Zdjęcie ] CCG Ready Canada, British Columbia, Lower Mainland.
  • Sep 08 
    [ Zdjęcie ] CCG Ready Canada, British Columbia, Lower Mainland.
  • Sep 02 
    [ Zdjęcie ] Sugar hill wreck Greece, Crete.
  • Sep 02 
    [ Miejsce nurkowe ] Sugar hill wreck Greece, Crete
  • Sep 02 
    [ Zdjęcie ] Thomas Place Canada, Ontario, Lake Huron. Inside the cavern
  • Sep 02 
    [ Miejsce nurkowe ] Thomas' Place Canada, Ontario, Lake Huron
  • Jul 30 
    [ Miejsce nurkowe ] Luckport Canada, Ontario, Lake Huron
  • Jul 25 
    [ Zdjęcie ] Ilha dos Meros - Ponta Sul Brazil, Rio de Janeiro, Paraty.
  • Jul 25 
    [ Zdjęcie ] Le Nautilus France, Charente Loir, Pertuis Re Oleron.
  • Jun 19 
    [ Zdjęcie ] Plage à Pascal Angola.
  • Jun 17 
    [ Miejsce nurkowe ] Manta Cleaning Station French Polynesia, Society, Maupiti
  • Jun 17 
    [ Miejsce nurkowe ] Kalksteinbruch Im Hunsfels Germany, Rheinland-Pfalz
  • May 28 
    [ Zdjęcie ] La Gabinière Ouest France, Mediterranean, Hyeres, Port-Cros.
  • May 28 
    [ Zdjęcie ] La Gabinière Ouest France, Mediterranean, Hyeres, Port-Cros.
  • May 28 
    [ Zdjęcie ] La Gabinière Ouest France, Mediterranean, Hyeres, Port-Cros.
  • May 28 
    [ Zdjęcie ] L Anse au Blé France, Mediterranean, Hyeres, Giens.
  • May 28 
    [ Zdjęcie ] L Anse au Blé France, Mediterranean, Hyeres, Giens.
  • May 28 
    [ Zdjęcie ] L Anse au Blé France, Mediterranean, Hyeres, Giens.

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  • Jan 25 
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  • Jul 08 
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  • Dec 20 
    [ Informacja ] Wannadive è avaiable in italiano! Hi, Wannadive è avaiable in italiano! Today we are very happy to announce that Wannadive interface is available in Italian. We would like to thanks the following translators for their help and great Christmas gift! * Dave Noise (from Wannasurf) * Riccardo Ghetti (from Wannadive) * Lorenzo Facchin (from Wannadive) All Italian divers can now switch to Italian language by using the language selector at the top of Wannadive pages. Enjoy! We wish you a merry Christmas. WD Team
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