Shrimps and Cleaners - Reef Life of the Andaman - Part 21

Shrimps and symbiotic cleaners. Part 21 of my DVD, "Reef Life of the Andaman", available at or view the whole 2-hour video at In this video we look at how different types of shrimp feed, and how some shrimp and fish clean a host fish in a mutually-beneficial symbiotic relationship. First we see a pair of harlequin shrimp, Hymenocera picta, feeding on a velvety sea star, Leiaster speciosus, at Koh Ha in Thailand's southern islands. The small shrimps feed exclusively on starfish. We then encounter a peacock mantis shrimp, Odontodactylus scyllarus, attempting to smash an oyster with its claws which have evolved into powerful clubs. Skunk cleaner shrimps, Lysmata amboinensis, form mutual symbiotic relationships with marine creatures such as giant morays. The shrimps clean the larger host so the so the shrimp keeps itself fed while the host keeps itself clean and healthy. We even see a skunk cleaner shrimp cleaning a scuba diver's teeth! Cleaner wrasse perform a similar role. We see bluestreak cleaner wrasse, Labroides dimidiatus, cleaning the mouths of variable-lined fusiliers, Caesio varilineata, at Koh Bon and Koh Tachai, and cleaning inside the gill of a starry puffer, Arothron stellatus, at Staghorn Reef on Racha Yai island. We also see bicolor cleaner wrasse, Labroides bicolor, cleaning a teira batfish, a yellowspotted trevally and a giant moray eel. Finally we examine how the cleaner's attentions are not always welcome. A honeycomb moray, Gymnothorax favagenius, is irritated by a rock cleaner shrimp, and a blackspotted puffer, Arothron nigropunctatus, is annoyed by cleaner wrasse. One even bites a pharaoh cuttlefish, Sepia pharaonis. It could be that these fish are false cleanerfish, Aspidontus taeniatus, a sabre-toothed blenny which has evolved to mimic the bluestreak cleaner wrasse, but actually feeds off the flesh of its hosts. The following closed captions/subtitles are available by clicking the CC button under the video: NARRATION / COMMENTARY: - English - German (Deutscher Kommentar) - Spanish (Narración en Español) MARINE LIFE & DIVE SITE NAMES - Dutch (Nederlandse Namen) - English - German (Deutsche Bezeichnungen) - Thai ( ชื่อภาษาไทย & จุดดำน้ำ ) Please get in touch with me if you would like to help translate the narration or marine life names into other languages. I have more scuba diving videos and underwater footage on my website at: I post updates about my videos, and interesting underwater videos from other filmmakers here: 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 Kevin MacCleod ( for the music track, "Modern Vibes". Thanks to Santana Diving of Phuket (, in particular Spencer Finn for the teeth! Thanks 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: 00.06 Harlequin Shrimp, Hymenocera picta, Koh Ha 01:10 Peacock Mantis Shrimp, Odontodactylus scyllarus, Lucy's Reef, Racha Yai 02:09 Skunk Cleaner Shrimp, Lysmata amboinensis, Richelieu Rock 02:34 Skunk Cleaner Shrimp, Lysmata amboinensis, Fan Forest Pinnacle 02:48 Skunk Cleaner Shrimp, Lysmata amboinensis, Richelieu Rock 02:58 Bluestreak Cleaner Wrasse, Labroides dimidiatus, Koh Bon 03:13 Bluestreak Cleaner Wrasse, Labroides dimidiatus, Koh Tachai 03:18 Starry Puffer, Arothron stellatus, Staghorn Reef 03:28 Teira Batfish, Platax teira, Koh Tachai 03:42 Bicolor Cleaner Wrasse, Labroides bicolor, Koh Tachai 03:49 Yellowspotted Trevally, Carangoides fulvoguttatus, Hin Muang 03:56 Bicolor Cleaner Wrasse, Labroides bicolor, Koh Bon 04:08 Honeycomb Moray, Gymnothorax favagenius, Boonsung Wreck 04:29 Blackspotted Puffer, Arothron nigropunctatus, Anemone Reef 04:51 Pharaoh Cuttlefish, Sepia pharaonis, Fan Forest Pinnacle
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