Whale Shark, Philippines. Photo by Stephane Rochon.

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Els millors vídeos

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

Scuba diving in Bali. This DVD is available at http://www.bubblevision.com/marine-life-DVD.htm

Diving in Bali is a document of an extraordinary expedition I made to Indonesia's magical island of Bali in 2006 with Aquamarine Diving, http://www.aquamarinediving.com

From Tulamben's awesome USAT Liberty wreck, to the reef manta rays of Nusa Penida, via the fascinating macro marine life of Tulamben and Seraya Secrets, the footage covers the breadth of Bali's fascinating underwater world.

The video features 158 species of marine life, and their common and scientific names are available by turning on the captions with the CC button under the video.

From Tulamben there is footage of the wreck of the USAT Liberty in both day time and night time, including the humphead parrotfish that spend the night there. Also from Tulamben are numerous marine live encounters from dives at the Drop-Off and the Coral Garden.

Just around the corner we make a dive at Seraya Secrets, a macro hotspot where I encountered seahorses and nudibranchs.

From Padangbai on the east coast of Bali we have footage from The Blue Lagoon and Pura Jepun.

From the island of Nusa Penida we have the manta ray cleaning station, Manta Point, and Ped.

Full list of dive sites featured in this video:

1. USAT Liberty Shipwreck, Tulamben

The USAT Liberty was torpedoed by the Japanese off Lombok and beached at Tulamben in Bali. In 1963 the last eruption of Mount Agung caused the wreck to slide deeper into the sea where she lies today. The USAT Liberty shipwreck makes an excellent dive site. This video features the towering stern, the coral-encrusted gun on the bow, green humphead parrotfish (Bolbometopon muricatum), a hawksbill turtle (Eretmochelys imbricata), garden eels, sweetlips and lots of other interesting marine life from the wreck and its surroundings.

The USAT Liberty also makes a fantastic night dive. Green humphead parrotfish sleep in the protection of the wreck. Other highlights include a Spanish dancer and a bluespotted ribbontail ray.

2. Coral Garden, Tulamben

The Coral Garden at Tulamben lies conveniently right off the middle of the beach. Skunk cleaner shrimps tend to moray eels and groupers at a cleaning station based around a barrel sponge. Also featuring a ribbon eel, ghost pipefish, leaf scorpionfish and trevallies schooling in the shallows.

3. Tulamben Drop-Off

Video from the Drop-Off at Tulamben, Bali, featuring a spectacular giant purple knotted sea fan, nudibranchs, a ghost pipefish and a seahorse. Before and after exploring the Drop-Off we spend time in the shallows where we meet Tulamben's famous schools of trevallies.

By night the drop-off at Tulamben provides plenty of treats for the visiting diver. This video includes a squat lobster, a cone shell, a dwarf cuttlefish, a hermit crab and various pretty reef fish.

4. Seraya Secrets

Seraya Secrets, nearby to Tulamben, is an exellent muck dive known for weird and wonderful critters. Here we encounter some batfish around the artificial reef project in the shallows. A little deeper we find 2 thorny seahorses, catfish, an anemone crab and nudibranchs.

5. Blue Lagoon, Padangbai

The Padangbai area on the east coast of Bali provides some fantastic diving. Just north of Padangbai lies the Blue Lagoon. This footage comes from my first ever dive in Indonesia with a video camera and features leaf scorpionfish, cuttelfish, anemonefish, lionfish, shrimps, catfish, nudibranchs, moorish idols and a goby.

6. Pura Jepun, Padangbai

Pura Jepun also lies just north of Padangbai and is home to some fantastic marine life. This video features clownish, sweetlips, angelfish, a peacock mantis shrimp, a stingray, a panther grouper, a wart slug, ribbon eels, a scorpionfish and a flying gurnard.

7. Manta Point, Nusa Penida

On the north-east side of Nusa Penida lies a cleaning station for reef manta rays (Manta alfredi) known as "Manta Point". On 23rd May 2006 we had the pleasure of diving with these graceful giants.

8. PED, Nusa Penida

Ped is sloping reef on the north coast of Nusa Penida. Here we encounter a variety of tropical reef fishes including angelfish, triggerfish, anemonefish and scorpionfish, as well as a rhizostome jellyfish.

Thanks to Toao (http://www.soilsound.com) for the music tracks, "Deep Blue", "Starbeam", "Afterglow", "Time & Space" and "Woodsman", and to Erik Verkoyen for "Prickly Shark".

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
https://plus.google.com/109261918603622792184 54:42

USAT Liberty Wreck
Indonesia

Dudu cave freediving, in Dominican Republic

Free divers:
Sergey Shakuto
Sergey Rasshivaev
Irina Kosobukina

Video by:
Sergey Shakuto

Filmed by:
Sergey Shakuto
Tania Elisarieva
Lana Khalifa
Sergey Rasshivaev
Eduard Ushakov


Divers:
Eduard Ushakov
Svetlana Prosvetova 08:20

Cuevas de Du-du
Dominican Republic

Diving with Max Bottomtime and Kevin Lee at the Landing Craft off Malaga Cove. Lots of cabezon and a very large Pacific Torpedo Ray. 02:07

Landing Craft LCM3
United States of America


Les millors imatges

Fotos de busseig

Dolphin Reef
Israel

Fotos de busseig

Sunset
Fiji

Fotos de busseig

Leutesheim
Germany

Fotos de busseig

Loberia
Argentina


  Què està passant

  • jul 15 
    [ Loc d'immersió ] Maritime Wreck Malaysia, Peninsular Malaysia, Perhentian Islands
  • jun 25 
    [ Loc d'immersió ] Koepeltje Oost Netherlands, Zeeland, Grevelingen
  • jun 25 
    [ Loc d'immersió ] Willems Reef Netherlands, Zeeland, Grevelingen
  • jun 25 
    [ Loc d'immersió ] Sha’ab Rumi Lagoon Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Saganeb West Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Keary Reef Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Logan Reef Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Sha’ab Anbar North Plateau Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Sha'ab Anbar Lagoon Sudan, Port Sudan
  • jun 25 
    [ Loc d'immersió ] Sanganeb South Sudan, Port Sudan
  • jun 24 
    [ Foto ] Zabargad Egypt, Saint Johns. Pterois volitans
  • jun 24 
    [ Loc d'immersió ] Papoose Wreck USA, North Carolina, Cape Lookout
  • jun 24 
    [ Loc d'immersió ] Sha'ab Anbar South Plateau Sudan, Port Sudan
  • jun 24 
    [ Loc d'immersió ] Sha'ab Rumi West Sudan, Port Sudan
  • jun 16 
    [ Foto ] Rocky Island East Egypt, Saint Johns. Bolbometopon muricatum
  • jun 16 
    [ Foto ] Rocky Island East Egypt, Saint Johns. Carcharhinus longimanus
  • jun 02 
    [ Foto ] Scit Reef Croatia, South adriatic.
  • jun 02 
    [ Foto ] Scit Reef Croatia, South adriatic.
  • jun 02 
    [ Foto ] Scit Reef Croatia, South adriatic.
  • jun 02 
    [ Loc d'immersió ] Scit Reef Croatia, South adriatic
  • jun 02 
    [ Foto ] Wreck Stomarica Croatia, South adriatic.
  • jun 02 
    [ Foto ] Wreck Stomarica Croatia, South adriatic.
  • jun 02 
    [ Foto ] Wreck Stomarica Croatia, South adriatic.
  • jun 02 
    [ Loc d'immersió ] Wreck Stomarica Croatia, South adriatic
  • jun 02 
    [ Loc d'immersió ] Polderveld plas Netherlands, Limburg

  Noves informacions del lloc

  • gen 25 
    [ Informació ] Secured navigation Wannadive is now only available thru secured (SSL/HTTPs) navigation. Feel free to report any bugs or wired behavior while browsing/contributing to the dive site atlas and/or thru the Android application.
  • jul 09 
    [ Informació ] 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
  • des 20 
    [ Informació ] 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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