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Clownfish, Philippines. Photo by Stephane Rochon.

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Cuttlefishes and octopuses. Part 16 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 In this video I look at cuttlefishes (Sepiida) and octopuses (Octopoda); types of cephalopod (Cephalopoda) found in the Lembeh Strait. The broadclub cuttlefish (Sepia latimanus) is the second largest species of cuttlefish, and the most common on coral reefs. It can adopt an infinite number of textures, colours and poses to camouflage itself, communicate and to hypnotize prey. As the name suggests, the crinoid cuttlefish (Sepia sp.) tends to hang around feather stars. We find one hiding amongst the branches of a decaying staghorn coral. This is an undescribed species known only from Indonesia, and recognised by the dark spots at the front of its lower arms. The dwarf cuttlefish, or stumpy-spined cuttlefish (Sepia bandensis) is a tiny species that is usually only seen at night. Rather than swimming, it usually uses its lower arms to walk on and explore the seabed. It is often found in association with echinoderms such as sea urchins. Another species that walks on its arms is one of the real stars of Lembeh, the flamboyant cuttlefish (Metasepia pfefferi). When disturbed it abandons its camouflage and the skin adopts spectacular shades of purple and yellow, with waves of white radiating down the mantle. The colour changes are achieved by adjusting millions of pigmented cells in the skin called chromatophores. This is an example of aposematic coloration whereby a creature warns potential predators of its toxicity. Scientists have recently discovered that the flamboyant cuttlefish's muscle tissue contains a unique and highly potent toxin, proving that this display is no bluff. We see an adult flamboyant cuttlefish using its special feeding tentacles to snatch prey such as small shrimps and gobes, and a tiny juvenile raising its median tentacles, a common threat display amongst cuttlefishes. Cuttlefishes' intelligence and unique powers compensate for their lack of a protective shell. They have the highest brain-to-body-mass ratio of all invertebrates, and researchers have shown them to possess a good memory and a high capacity for learning. Octopuses are closely related to cuttlefishes and have similar characteristics and intelligence. At TK we encounter an undescribed octopus, a near relative of the mimic octopus and wonderpus, retreating to its burrow with a captured crab. The octopus usually injects the crab with a paralysing saliva before using it's parrot-like beak at the centre its arms to excavate the meat from the crab. Finally on a night dive at Aer Perang we encounter a starry night octopus, Callistoctopus luteus, twisting and turning around the reef as it tries to escape my attention. 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 TekMerc (www.soundcloud.com/tekmerc) for the music track, "Untitled Ambient Tune" and to Ojini Project (www.soundcloud.com/ojiniproject) for the track, "Melody of the Lost Ark". These tracks are 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 Broadclub Cuttlefish (juvenile), Sepia latimanus, Critter Hunt 00:08 Broadclub Cuttlefish, Sepia latimanus, Makawide 00:19 Crinoid Cuttlefish, Sepia sp., Tanjung Kusu-Kusu 00:41 Dwarf Cuttlefish, Sepia bandensis, Nudi Falls 01:15 Flamboyant Cuttlefish, Metasepia pfefferi, Retak Larry 02:35 Flamboyant Cuttlefish (juvenile), Metasepia pfefferi, Makawide 02:49 Undescribed Octopus, TK 1 03:37 Starry Night Octopus, Callistoctopus luteus, Aer Perang 06:13

Air Prang
Indonesia
02:26

Princess Alice Banc
Azores
05:28

Le Relax
France
The Monterey area has some superb diving opportunities. Many of these areas are off limits to those wishing to harvest a bit of dinner. This video was shot completely outside of these "protected" areas and shows the diversity of life that can be found in many common dive sites. 07:38

Butterfly House
United States of America

Les millors imatges

Fotos de busseig

Vogelstangsee
Germany
Fotos de busseig

House Reef of Putri
Indonesia
Fotos de busseig

Lom Borek
Czech Republic
Fotos de busseig

Sponge Forest
Curaçao

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  Què està passant

  • Oct 16 
    [ Loc d'immersió ] Viking Cave Thailand, Andaman Sea, Koh Phi Phi
  • Oct 16 
    [ Loc d'immersió ] Om Halhalla Egypt, Marsa Alam
  • Oct 16 
    [ Loc d'immersió ] Tauchplatz Alte Donau Austria, Wien
  • Oct 16 
    [ Loc d'immersió ] Arakababesang Island Palau
  • Oct 16 
    [ Loc d'immersió ] Ras Nasrani Egypt, Sharm el Sheikh
  • Oct 16 
    [ Loc d'immersió ] Soto Trader Wreck Cayman, Little Cayman
  • Oct 16 
    [ Loc d'immersió ] HMCS Saskatchewan Canada, British Columbia, Vancouver Island
  • Oct 16 
    [ Loc d'immersió ] Los Islotes Mexico, Baja California, La Paz Isla Partida
  • Oct 16 
    [ Loc d'immersió ] Dolini Roncsok Croatia, North adriatic, Rab
  • Oct 16 
    [ Loc d'immersió ] The Paquita Wreck South Africa, Western Cape, Knysna
  • Oct 16 
    [ Loc d'immersió ] Sea Star II Wreck Bahamas, Grand Bahama
  • Oct 16 
    [ Foto ] Kudah Rah Thila Maldives, Ari, South Ari Atoll.
  • Oct 16 
    [ Loc d'immersió ] Sha'ab Sabina Egypt, Hurghada
  • Oct 16 
    [ Loc d'immersió ] Erg Sabina Egypt, Hurghada
  • Oct 16 
    [ Loc d'immersió ] Finger Point Maldives, Male Atoll, North Male Atoll
  • Oct 16 
    [ Loc d'immersió ] Barracuda point Maldives, Male Atoll, North Male Atoll
  • Oct 16 
    [ Loc d'immersió ] Bat reef Maldives, Male Atoll, North Male Atoll
  • Oct 16 
    [ Loc d'immersió ] Lucky rock Maldives, Male Atoll, North Male Atoll
  • Oct 15 
    [ Loc d'immersió ] Bajo de la Morra Spain, Costa Calida, La Manga
  • Oct 15 
    [ Loc d'immersió ] Proco 1 Indonesia, Maluku Islands
  • Oct 15 
    [ Loc d'immersió ] Proco 2 Indonesia, Maluku Islands
  • Oct 15 
    [ Loc d'immersió ] Proco Island North Indonesia, Maluku Islands
  • Oct 15 
    [ Loc d'immersió ] Tanjung Duva Duva Indonesia, Maluku Islands
  • Oct 15 
    [ Loc d'immersió ] Nanas island Indonesia, Maluku Islands
  • Oct 15 
    [ Loc d'immersió ] Tanjung Dehibira Indonesia, Maluku Islands
Tot...

  Noves informacions del lloc

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  • Jul 08 
    [ 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
  • Dec 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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