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    Nusu, Tulamben, Indonesia
    Michael McFadyen's Scuba Diving - Nusu, Indonesia

    Despite three trips to Tulamben in Indonesia for almost five and a half weeks of diving, this spot was not one I had dived till 2024. I used Liberty Divers, click here to read about the town and dive operation. Potentially there are literally hundreds of dive sites located within a few kilometres of Tulamben.

    Nusu (pronounced new shoes) is apparently a newer dive site and is the most remote site to the north of Tulamben that is dived (as far as I can ascertain). It is past Gerombong and on the other side of a river and between two sets of prawn/fish farms. It is located to the north-west of Tulamben. It is about 7.2 kilometres from Tulumben to Gerombong. The dive site is located down a lane. A GPS mark for the dive spot is 8° 13.666"S 115° 33.066"E (using WGS84 as the datum).

    Satellite Photo
    A satellite photo from Google Earth that shows the location of the dive site. You can see the prawn/fish farms and bottom right is Gerombong

    This site being new does not have any facilities like all the other ones, no tables, shelter, showers or camera wash tubs. Hopefully over the coming time if enough shops take people there they will be built.

    The gear is dropped in a grassy area and it is a short walk down a track to the water's edge.

    There were quite a few of these white nudibranchsDonut doto, Doto greenamyeri

    As most of the sites at Tulamben, the beach is a black sand one and is an easy entry and exit even though there are some rocks under the water. Once you have descended you drop to 5 metres and then head north-north-east away from the beach. At first it is a very shallow and flat bottom mostly composed of rocks.

    It took me five minutes to get to eight metres where the bottom becomes sand. Then the bottom drops a bit more dramatically. I went to about 26 metres but did not get to that depth till about 23 minutes into the dive.

    A moray eel with a shrimp on its headA harlequin shrimp

    Once under water we went north and then north-west, getting deeper before coming shallower and heading back towards the entry spot. This site is famous for the donut doto nudibranchs, Doto greenamyeri. There are lots of them all over the place, living on hydroids. There are many more species of nudibranch, lots of them, at least 20 I think.

    We also see a small pipefish, some gobies (on starfish and sea whips) and also a spindle cowrie on a sea whip. Like most of the Tulamben sites, the bottom has isolated rocks and corals and even just sponges located on the black sand.

    A spindle cowrie on a sea whipA goby on a starfish

    After about 53 minutes we head towards the shore and then back south-east to the entry/exit point. In the shallower area there are lots of small and medium sized clams and also some moray eels. One of the eels has a shrimp on its head and poses for my camera.

    We only did the one dive here as we did not know what it was like. In the end, I wish we had done both dives here, there was certainly enough to keep us happy and we did not even explore the area to the south-east. next time.

    A medium sized clamA small pipefish

    A great dive site which I will ensure I do a few times on my next trips.


    I saw at least 20 different species of nudibranchs my one dive here. The following are photographs of some of them.


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