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Snake eels and Moray eels. Part 5 of my documentary, "Mucky Secrets", about the fascinating marine life of the Lembeh Strait in Indonesia.

In this video I look at different types of eel in the Lembeh Strait. Snake eels are common here. A convict snake eel, Leiuranus versicolor, swims in the open and bears a coloration similar to some sea snakes, which may deter predators.

Snake eels burrow tail-first into the sand, with just the head exposed. They are ambush predators. We encounter a stargazer snake eel, Brachysomophis cirrocheilos, and a highfin snake eel, Ophichthus altipennis, being cleaned of parasites and dead skin by magnificent shrimps, Ancylomenes magnificus.

Moray eels are also common. We encounter a free-swimming snowflake moray, Echidna nebulosa, and a whitemouth moray, Gymnothorax meleagris. A palechin moray, Gymnothorax herrei, bears the scars of previous conflicts on its face.

Finally I take a look at the ribbon eel, Rhinomuraena quaesita. Juvenile ribbon eels are black with are black with a pale yellow border to the dorsal fin and lower jaw. As it grows older, the ribbon eel turns into a male, taking on a bright blue and yellow coloration. Later, the eel changes into a female. It loses the blue and takes on a completely yellow color.

Ribbon eels have greatly expanded anterior nostrils, along with protruding barbels on both jaws, apparently to help them sense passing prey.

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.

"Mucky Secrets" is being serialised weekly on YouTube. Please subscribe to my channel to receive notifications of new episodes as I release them. The series will feature a huge diversity of weird and wonderful marine animals including frogfish, nudibranchs, scorpionfish, crabs, shrimps, moray eels, seahorses, octopus, cuttlefish etc..

Thanks to Kevin McLeod of http://www.incompetech.com for the music track, "Tenebrous Brothers Carnival - Snake Lady" 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:

00:04 Convict Snake Eel, Leiuranus versicolor, Jahir
00:39 Stargazer Snake Eel, Brachysomophis cirrocheilos, Hairball
01:04 Highfin Snake Eel, Ophichthus altipennis, TK 1 (Teluk Kembahu)
01:19 Magnificent Shrimp, Ancylomenes magnificus, TK 1 (Teluk Kembahu)
01:32 Snowflake Moray, Echidna nebulosa, Aer Perang
01:59 Whitemouth Moray, Gymnothorax meleagris, Aw Shucks
02:16 Palechin Moray, Gymnothorax herrei, Retak Larry
02:24 Palechin Moray, Gymnothorax herrei, Hairball
02:38 Ribbon Eel (juvenile), Rhinomuraena quaesita, TK 1 (Teluk Kembahu)
02:57 Ribbon Eel (male), Rhinomuraena quaesita, TK 3 (Teluk Kembahu)
03:14 Ribbon Eel (female), Rhinomuraena quaesita, Aer Perang
03:25 Ribbon Eel (female), Rhinomuraena quaesita, TK 1 (Teluk Kembahu)
03:38 Clark's Anemonefish, Amphiprion clarkii, Police Pier 04:09

Teluk Kembahu 1
Indonesia

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

06:28

Baggersee Staffort
Germany

Crabs & Shrimps at Night. Part 27 of my DVD, "Reef Life of the Andaman", available at http://www.bubblevision.com/marine-life-DVD.htm

Night diving offers the opportunity to see many crustaceans that are typically hidden in the reef during daylight, but are highly active under the hours of darkness. This video features 13 species.

At Koh Doc Mai, near Phuket in Thailand, and in the Similan Islands, we see banded coral shrimps (Stenopus hispidus) plucking plankton from the water to eat. Rock cleaner shrimp (Urocaridella sp.) are busy cleaning a large snapper and a fimbriated moray eel (Gymnothorax fimbriatus).

Space is at a premium on the reef. In the Mergui Archipelago in Burma (Myanmar) we see a fimbriated moray sharing its home with a variable coral crab (Carpilius convexus).

Female crabs carry their eggs under their apron for a few months while the embryos develop. We witness the dramatic sight of a spendid round crab (Etisus splendidus) releasing her brood. As she pumps her lower body, thousands of tiny larvae are released and drift away in the current.

At Thailand's Boonsung wreck, a crucifix crab (Charybdis (Charybdis) feriata) tries to appear as large and intimidating as possible by spreading its claws, before escaping into the shelter of the wreck, while at Western Rocky Island we see a tiny bull crab (Naxioides taurus) crawling across a gorgonian sea fan.

The flat rock crab, Percnon planissimum, is a common sight in the Andaman Sea, as is the swimming crab, Charybdis sp., which we see defending its territory by fighting off a passing common decorator crab (Schizophrys aspera). This decorator crab has large claws and covers itself with other marine organisms such as stinging hydroids for camouflage and defence. The horrid elbow crab (Daldorfia horrida) becomes completely encrusted with growth, while the spider decorator crab (Camposcia retusa) covers itself with sponges which continue to grow while on the crab, and enable it to blend in with the reef. The sponge crab, Dromia dormia, carries a large spone with its rearmost legs. We see one fling itself off the edge of the reef in an attempt to escape our lights.

Hermit crabs live inside empty snail shells in order to protect their soft abdomen. We see white-spotted hermit crabs (Dardanus megistos) in a variety of different shells. Anemone hermit crabs (Dardanus pedunculatus) carry live sea anemones on its shell as an extra defence. At Honeymoon Bay we a pair of them, perhaps in a dispute over territory.

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.

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

Thanks to Mark Ellison for the music track, "The Cool Of The Forest".

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 marine life and dive sites featured in this video:

00:00 Banded Coral Shrimp, Stenopus hispidus, Koh Doc Mai
00:30 Emperor Red Snapper, Lutjanus sebae, Koh Doc Mai
00:45 Fimbriated Moray, Gymnothorax fimbriatus, Koh Doc Mai
00:56 Fimbriated Moray, Gymnothorax fimbriatus, Shark Cave
01:00 Fimbriated Moray, Gymnothorax fimbriatus, Moving Wall
01:07 Fimbriated Moray, Gymnothorax fimbriatus, Pinnacle Arch
01:23 Variable Coral Crab, Carpilius convexus, Pinnacle Arch
01:31 Variable Coral Crab, Carpilius convexus, Western Rocky Island
01:39 Splendid Round Crab, Etisus splendidus, Koh Tachai
02:01 Crucifix Crab, Charybdis (Charybdis) feriata, Boonsung Wreck
02:18 Bull Crab, Naxioides taurus, Western Rocky Island
02:36 Flat Rock Crab, Percnon planissimum, Snapper Alley
02:43 Swiming Crab, Charybdis sp., Koh Doc Mai
02:51 Common Decorator Crab, Schizophrys aspera, Moving Wall
03:04 Common Decorator Crab, Schizophrys aspera, Shark Cave
03:24 Horrid Elbow Crab, Daldorfia horrida, Fan Forest Pinnacle
03:34 Horrid Elbow Crab, Daldorfia horrida, Shark Cave
03:44 Spider Decorator Crab, Camposcia retusa, Western Rocky Island
03:54 Spider Decorator Crab, Camposcia retusa, Koh Tachai
04:04 Spider Decorator Crab, Camposcia retusa, Cavern Island
04:13 Sponge Crab, Dromia dormia, Western Rocky Island
04:22 Sponge Crab, Dromia dormia, Shark Cave
04:38 White-spotted Hermit Crab, Dardanus megistos, Boonsung Wreck
04:45 White-spotted Hermit Crab, Dardanus megistos, Koh Tachai
05:01 White-spotted Hermit Crab, Dardanus megistos, Eagle Rock
05:07 White-spotted Hermit Crab, Dardanus megistos, Cavern Island
05:31 Anemone Hermit Crab, Dardanus pedunculatus, Honeymoon Bay 06:33

Koh Dok Mai
Thailand


Foto migliori

foto subacquee

Thirasia 1
Greece

foto subacquee

Pointe Carrangue
Guadeloupe

foto subacquee

Le Donator
France


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