Clownfish, Philippines. Photo by Stephane Rochon.

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Beste Videos

02:27

Buddy's Reef
Bonaire Island

10:27

Ko Bon Pinnacle
Thailand

Sea snails and electric flame scallop. Part 17 of my documentary, "Mucky Secrets", about the fascinating marine creatures of the Lembeh Strait in Indonesia. Watch the full 90-minute documentary at http://www.youtube.com/watch?v=nJMZ6reOB0E

As we continue to examine molluscs (mollusks, Mollusca)  in this documentary series, we take a quick look at the electric flame scallop (Ctenoides ales), otherwise known as the "disco clam", "fire clam" or "electric clam". The flame scallop is a type of bivalve (Bivalvia). It appears to emit luminescent electrical pulses, but actually it is rolling and unrolling the edges of its mantle, revealing special particles that simply reflect light. The display is thought to attract phytoplankton as food and perhaps frighten off predators like crabs and shrimps.

We then turn our attention to sea snail (gastropods, Gastropoda). The grey bonnet (Phalium glaucum) is a typical sea snail. It has a protective, coiled shell that it can withdraw its entire body into. It glides over the substrate on its large, muscular foot, and at the rear we see the operculum, a hard lid that is used to close the opening of the shell after the snail withdraws into it. Two simple eyes peer out from under the front of the shell, and important sensory feedback also comes from the two tentacles. To one side is the inhalent siphon, a tube that the sea snail uses to draw in water for respiration.

The anatomy of another gastropod, the vomer conch (Euprotomus vomer), is different. Its mouth is much more obvious, at the end of a long protrusion called a proboscis. It is strictly a herbivore, and it uses the proboscis for locating and eating algae growing in the sand. It's eyes are much more prominent too, at the end of long stalks, and jutting out from these stalks are two highly sensitive tentacles. Rather than gliding, it uses its operculum to drag itself along the bottom in a lurching motion.

Conchs are a popular food, and their shells have symbolic and religious significance in some cultures. They have been used for everything from musical instruments, to weapons, to ink holders.

We then encounter a whitespotted hermit crab inhabiting an empty cone shell. The main sensory device of cones like the ivory cone (Conus eburneus) is the siphon itself which contains highly sensitive chemoreceptors. If it detects suitable prey the cone will unleash a harpoon from its proboscis containing a highly venomous neurotoxin, powerful enough to kill humans.

There are English captions showing either the full narration or the common and scientific names of the marine life, along with the dive site names.

The full Mucky Secrets nature documentary features a huge diversity of weird and wonderful marine animals including frogfish, nudibranchs, scorpionfish, crabs, shrimps, moray eels, seahorses, octopus, cuttlefish etc..

Thanks to Kevin MacLeod of http://www.incompetech.com for the music track, "Scheming Weasel (slower version)", which is licensed under a Creative Commons Attribution 3.0 Unported license.

Thanks to the staff and keen-eyed divemasters of Two Fish Divers (http://www.twofishdivers.com), for accommodation, diving services and critter-spotting.

The video was shot by Nick Hope with a Sony HVR-Z1P HDV camera in a Light & Motion Bluefin HD housing with Light & Motion Elite lights and a flat port. A Century +3.5 diopter was used for the most of the macro footage.

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

I post updates about my videos here:
http://www.facebook.com/bubblevision
http://google.com/+bubblevision
http://www.twitter.com/nicholashope
http://bubblevision.tumblr.com

Full list of marine life and dive sites featured in this video:

00:00 Flame Scallop, Ctenoides ales, Nudi Retreat
00:29 Grey Bonnet, Phalium glaucum, TK 2
01:23 Vomer Conch, Euprotomus vomer, Jahir
02:28 White-spotted Hermit Crab, Dardanus megistos, Two Fish Divers house reef
02:40 Ivory Cone, Conus eburneus, TK 2
03:03 Nudibranchs, Hypselodoris bullocki & Glossodoris cincta, Aer Perang
03:08 Nudibranch, Doto sp., Nudi Retreat 03:33

Teluk Kembahu 2
Indonesia

Navy Type Zero Reconnaissance Seaplane, commonly known as Jake Seaplane.

It would take me almost a year, and 2 trips to Palau to complete this project. On my first trip, I had trouble locating the wreck. I was working off inaccurate maps, and has extremely limited underwater visibility, making searching the bottom nearly impossible. I was disappointed, but I was determined not to give up. 8 months later I returned to Palau to try again.

On my second trip, I had a better idea of the search area, and better underwater visibility, however frequent tropical storms threatened my attempts - but I found the aircraft, and I got the video.

I've done my part - I've travelled far, I've dived the site, I edited the video - Now the success of this video is in your hands, only you, my friends, fans and subscribers can determine how much of a success this video will be. Share, Like and promote this video and let it get the attension you think it deserves.

Thanks for your all your support - it's what keeps me going.

Regards,
Dean, Freediver HD

visit my website at http://www.freediverhd.com

Filmed with the GoPro Hero 2 + Official Dive Housing 05:26

Jake Seaplane
Republic of Palau


Beste Fotos

Tauchfoto

Abu Kefan
Egypt

Tauchfoto

Eco dive
Croatia

Tauchfoto

Rachiy Kar'er
Russia


  Was ist los

  • Jan 18 
    [ Foto ] Blacktip Point Indonesia, Maluku Islands.
  • Jan 18 
    [ Tauchplatz ] Blacktip Point Indonesia, Maluku Islands
  • Jan 18 
    [ Tauchplatz ] Baja Pasito Blanco Canary, Gran Canaria
  • Jan 18 
    [ Tauchplatz ] Neufeldersee Austria, Burgenland
  • Jan 18 
    [ Tauchplatz ] Conger Ali UK, Scotland, Strathclyde
  • Jan 18 
    [ Foto ] L Imperial du milieu France, Mediterranean, Marseille, Riou.
  • Jan 18 
    [ Foto ] L Imperial du milieu France, Mediterranean, Marseille, Riou.
  • Jan 18 
    [ Foto ] L Imperial du milieu France, Mediterranean, Marseille, Riou.
  • Jan 10 
    [ Tauchplatz ] Cala Canyelles Spain, Costa Brava, Lloret de Mar
  • Jan 10 
    [ Tauchplatz ] Puerto de Blanes Spain, Costa Brava
  • Jan 10 
    [ Tauchplatz ] Port Olimpic Spain, Costa Brava, Barcelona
  • Jan 10 
    [ Zone ] Barcelona Spain, Costa Brava
  • Jan 08 
    [ Tauchplatz ] Laje de Santos State Park Brazil, Sao Paulo
  • Jan 05 
    [ Tauchplatz ] Bat cave St Vincent Grenadines, St Vincent
  • Jan 04 
    [ Tauchplatz ] Desecheo Puerto Rico, West coast and Mona island
  • Jan 01 
    [ Tauchplatz ] Tombant Passe Sud Madagascar, Toliara Tulear
  • Jan 01 
    [ Foto ] Ilha do Xavier Brazil, Santa Catarina, Bombinhas Florianopolis.
  • Jan 01 
    [ Foto ] Ilha do Xavier Brazil, Santa Catarina, Bombinhas Florianopolis.
  • Dez 29 
    [ Tauchplatz ] Half moon stars Saudi Arabia, Eastern Province
  • Dez 29 
    [ Tauchplatz ] Caixa Preta Brazil, Tocantins
  • Dez 20 
    [ Foto ] Half moon stars Saudi Arabia, Eastern Province.
  • Dez 20 
    [ Foto ] Half moon stars Saudi Arabia, Eastern Province.
  • Dez 20 
    [ Foto ] Half moon stars Saudi Arabia, Eastern Province.
  • Dez 19 
    [ Tauchplatz ] Les Davis USA, Washington
  • Dez 14 
    [ Tauchplatz ] Columbia Deep Mexico, Yucatan, Cozumel Isalnd

  Informationen über die neue Site

  • Jul 09 
    [ Info ] Phishing pages Hackers succeeded into injecting some scripts into our server file system; mainly phishing pages (fake Dropbox and/or Email client login page; asking you to login with your Gmail/Yahoo account). We are pretty sure these phishing pages were NOT linked/used within this website; probably used in phishing email campaigns. Your community information (email, password, personal information) from this website were not compromised; but if you have been redirected to these pages it is strongly recommended that you change your email password. Sorry for the inconvenience Wanna Team

    Post edited by: wannacorp, at: 2016/07/09 02:08
  • Dez 20 
    [ Info ] 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
  • Sep 18 
    [ Info ] Wannadive is safe! Hi, Firefox and Chrome users may experiment some difficulties in accessing Wannadive with their web browser. An ugly screen is telling Wannadive could provide malwares and not be safe!... Our ad server has been attacked Sept 15, and we did fix the problem a couple of hours later. Wannadive is now 100% safe. What still happen? Firefox and Google uses a database to track websites where malwares were detected. We ask Google to remove Wannadive from this database but it can takes a few hours/days? :-( Waiting for Google update, you can use a different web browser to access your favorite dive site atlas and community: Internet Explorer or Opera. Those browsers don\'t check Google\'s database. All the best, Wannadive team

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