Clownfish, Philippines. Photo by Stephane Rochon.

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Symbiosis, including anemonefish & clownfish. Part 18 of my DVD, "Reef Life of the Andaman", available at http://www.bubblevision.com/marine-life-DVD.htm

In this video we see how fishes form symbiotic relationships with other marine life in order to defend themselves. First we find sea urchin cardinalfish, Siphamia versicolor, protecting themselves amongst the spines of sea urchins and crown-of-thorns starfish at Koh Bon, near the Similan Islands, and in the Mergui Archipelago. This is known as a "commensal" relationship, whereby one partner in the relationship benefits while the other receives neither benefit nor harm.

Anemonefish form symbiotic relationships with sea anemones. This is a mutually-beneficial symbiotic relationship. While the fish are protected, their faeces provide food for the anemone and they help keep it free of parasites. We see skunk clownfish, Clark's anemonefish, saddle anemonefish and the well-known ocellaris clownfish (Amphiprion ocellaris) finding their home in various species of sea anemone such as the magnificent anemone, Heteractis magnifica.

Porcelain anemone crabs, Neopetrolisthes maculatus, are found in sea anemones in the Similan Islands, while a magnificent shrimp, Ancylomenes magnificus, shelters under the stinging tentacles of a tube anemone at Burma's Shark Cave, itself covered in phoronid worms.

Finally we see how small and juvenile fish "hitchhike" in jellyfish to protect themself from predators.

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.

Thanks to Erik Verkoyen for the music track, "Pattern Errors".

"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

Thanks to Santana Diving of Phuket (http://www.santanaphuket.com), to Elfi and Uli Erfort 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 Black Longspine Urchin, Diadema setosum, Koh Doc Mai
00:05 Sea Urchin Cardinalfish, Siphamia versicolor, Koh Bon
00:12 Sea Urchin Cardinalfish, Siphamia versicolor, Little Torres
00:22 Yellow Cardinalfish, Ostorhinchus luteus, Shark Cave
00:28 Skunk Clownfish, Amphiprion akallopisos, Home Run, Racha Yai
00:34 Skunk Clownfish, Amphiprion akallopisos, Bungalow Bay, Racha Yai
00:42 Skunk Clownfish, Amphiprion akallopisos, Staghorn Reef, Racha Yai
00:49 Clark's Anemonefish, Amphiprion clarkii, Hin Daeng
00:57 Clark's Anemonefish, Amphiprion clarkii, Fan Forest Pinnacle
01:03 Clark's Anemonefish, Amphiprion clarkii, Anita's Reef
01:15 Clark's Anemonefish, Amphiprion clarkii, East of Eden
01:23 Clark's Anemonefish, Amphiprion clarkii, Koh Bon
01:32 Clark's Anemonefish, Amphiprion clarkii, Rocky Point
01:37 Clark's Anemonefish, Amphiprion clarkii, Shark Cave
01:43 Clark's Anemonefish, Amphiprion clarkii, Maya Bay, Phi Phi Leh
01:56 Saddle Anemonefish, Amphiprion ephippium, Richelieu Rock
02:22 Ocellaris Clownfish, Amphiprion ocellaris, East of Eden
02:34 Ocellaris Clownfish, Amphiprion ocellaris, Koh Tachai
02:54 Ocellaris Clownfish, Amphiprion ocellaris, Koh Doc Mai
03:07 Domino Damsel, Dascyllus trimaculatus, Bungalow Bay, Racha Noi
03:18 Domino Damsels, Dascyllus trimaculatus, Black Rock
03:26 Clark's Anemonefish and Domino Damsels, East of Eden
03:32 Porcelain Anemone Crab, Neopetrolisthes maculatus, Anita's Reef
03:44 Porcelain Anemone Crab, Neopetrolisthes maculatus, Shark Fin Reef
04:02 Porcelain Anemone Crab, Neopetrolisthes maculatus, Moving Wall
04:18 Tube Anemone, Cerianthus sp., Shark Cave
04:29 Magnificent Shrimp, Ancylomenes magnificus, Shark Cave
04:52 Rhizostome Jellyfish, Versuriga anadyomene, Anemone Reef
05:05 Rhizostome Jellyfish, Versuriga anadyomene, Marita's Rock, Racha Noi
05:16 Crowned Jellyfish, Cephea cephea, East of Eden
05:22 Rhizostome Jellyfish, Crambione mastigophora, Shark Cave
05:31 Rhizostome Jellyfish, Versuriga anadyomene, Richelieu Rock
05:48 Australian Spotted Jellyfish, Phyllorhiza punctata, Staghorn Reef, Racha Yai 06:16

East of Eden
Thailand

A pair of saddleback clownfish (Amphiprion polymnus), also known as saddleback anemonefish, tend to their eggs at the dive site Bethlehem, between Caban Island and Marcaban Island near Anilao, Batangas, the Philippines.

Clownfish eggs are laid in a roughly circular patch stuck securely to the reef next to or slightly under the host sea anemone. The female lays the eggs and the male fertilizes them afterwards.

The parents continuously aerate the eggs with their mouths and fins to keep them oxygenated and clean as they grow. Any unhealthy eggs are picked off by the parents. The smaller male clownfish tends to do more of the work while the larger female parent defends the nest and her mate.

The eggs hatch in 7 to 10 days. As they develop the eyes become relatively large compared to the body. These eggs are quite mature and the larval clownfish babies probably hatch from the nest that night.

In the film Finding Nemo, the characters were intended to be a slightly different species: ocellaris clownfish, Amphiprion ocellaris, otherwise known as clown anemonefish.

The sea anemone in this footage is a carpet anemone, Heteractis sp..

I shot this footage at Anilao in the Philippines while diving with Crystal Blue Resort (http://www.divecbr.com) on their annual Critterfest workshop. Anilao is famous for its small marine life and the opportunities for underwater macro photography and videography.

The video was shot by Nick Hope with a Panasonic GH4 in a Nauticam NA-GH4 housing. I used an Olympus M.Zuiko ED 12-50mm f3.5-6.3 EZ lens.

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 01:06

Daryl Laut
Philippines

00:50

Rick's reef
Egypt

Dive the wreck of the HMAS Canberra -- Victoria's first artificial reef created for the sole purpose of diving. Join thousands of curious divers who have already flocked to the sunken frigate since it's opening on the 5th of December 2009. Take a boat ride from Portsea or Queenscliff, then drop 28 metres below the waves of Bass Strait to explore the flight decks, the bridge, engine rooms and galley.

How to get there
The site is a 20--25 minute boat ride from Portsea (Mornington Peninsula) and Queenscliff (Bellarine Peninsula). To gain access divers must either book a dive tour with a licensed tour operator or book a slot on the public mooring through Parks Victoria. There are four moorings and the site can accommodate approximately 60 divers at any one time.

Dive bookings will give divers exclusive use of a mooring for two hours at a cost of $30 per boat regardless of the number of divers on board. The money raised will contribute some of the cost to manage the site.

Skill requirements
The site has been established specifically for diving and snorkelling and access is restricted to visitors participating in these activities only.

Divers wishing to access the site must hold a current and industry recognised entry--level qualification (equivalent to Australian Standard AS4005.1) with appropriate experience for the dive being undertaken. 01:09

HMAS Canberra
Australia


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