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Titel : Mucky Secrets - Part 3 - Squat Lobsters, Hermit Crabs, True Crabs & Sea Urchins - Lembeh Strait
Beschrijving : Squat lobsters, hermit crabs, true crabs and sea urchins. Part 3 of my documentary, "Mucky Secrets", about the fascinating marine creatures of the Lembeh Strait in Indonesia. In this video we first look at more marine crustaceans. First we meet squat lobsters. The elegant squat lobster, Allogalathea elegans, lives commensally on the arms of crinoid feather stars. It feeds on plankton collected by its host, and its colour often matches the crinoid for camouflage. Next we encounter squat lobsters of the Galathea genus fighting for territory on branching sponges at TK 2. Hermit crabs don't have a hard carapace like other crabs, so they recycle an empty gastropod shell to protect their soft abdomen. They carry their adopted home around with them, and long eye stalks ensure that the crab has a wide angle of view. We encounter whitespotted hermit crabs, Dardanus megistos, living in empty cone shells and conch shells. We also meet an anemone hermit crab, Dardanus pedunculatus, carrying sea anemones on its back in a classic example of mutual symbiosis. We then meet a pair of box crabs, Calappa sp.. The male box crab carries the female everywhere with him until she has moulted her shell and is ready to mate. Camouflage is important for Lembeh's true crabs. We encounter a rear-spined elbow crab, Aulacolambrus hoplonotus, and a decorator spider crab, Achaeus sp., perfectly camouflaged in their environment. A zebra crab, Zebrida adamsii, clings to the spines on the underside of a highly venomous flower urchin, Toxopneustes pileolus, using the last segment of its legs which has evolved into a hook. Blue-spotted urchins, Astropyga radiata, are also highly venomous and gather in groups at dive sites such as Hairball. Juvenile emperor red snappers, Lutjanus sebae, often shelter amongst these sea urchins in a commensal relationship. 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.. The music tracks are "Mountain Breeze (pad)" by Purple Planet (http://www.purple-planet.com) and "Arrival of the Broken Kings" by Klangachse (http://klangachse.de). Thanks to Tom Cusack of Leafy Lane Productions (http://www.freemusicforvideos.com) for the music track, "Mystery 2" and to Kevin McLeod of http://www.incompetech.com for the music track, "Covert Affair". 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: 00:05 Elegant Squat Lobster, Allogalathea elegans, Aer Perang 00:29 Squat Lobster, Galathea sp., TK 2 (Teluk Kembahu) 00:58 White-Spotted Hermit Crab, Dardanus megistos, Two Fish Divers house reef 01:22 White-Spotted Hermit Crab, Dardanus megistos, Retak Larry 01:35 Anemone Hermit Crab, Dardanus pedunculatus, TK 2 (Teluk Kembahu) 01:56 Box Crab, Calappa sp., TK 1 (Teluk Kembahu) 02:55 Rear-Spined Elbow Crab, Aulacolambrus hoplonotus, Nudi Falls 03:08 Decorator Spider Crab, Achaeus sp., Makawide 03:25 Zebra Crab, Zebrida adamsii, Jahir 03:33 Flower Urchin, Toxopneustes pileolus, Jahir 03:40 Zebra Crab, Zebrida adamsii, Jahir 03:56 Blue-Spotted Urchin, Astropyga radiata, Hairball 04:34 Emperor Red Snapper (juvenile), Lutjanus sebae, Jahir 04:42 Bluespotted Stingray, Neotrygon kuhlii, Hairball
Beoordeling : 5.00
Duur : 00:05:11
Video aangebracht door Nick Hope (26-04-2014)