ADAM HANLON PHOTOGRAPHY

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  • A Goniobranchus aureopurpurea nudibranch lifts its "skirts" or mantle as it moves across the bottom. The animal's rhinophores are able to sense chemicals and currents within the water around it.
    140213-ahanlon-86249.jpg
  • A Nembrotha purpureolineata feeds as it moves across the seabed. In common with many sea slugs, they are specialised eaters, only feeding on tunicates or sea squirts.
    160927-ahanlon-504869.jpg
  • A redline flabellina (Flabellina rubrolineata) strikes a pose. Taken in the Lembeh Straits, Sulawesi, Indonesia.
    160928-ahanlon-505409.jpg
  • Two crested nembrotha (Nembrotha cristata) nudibranchs doing their bit for survival of the species. Nudibranchs are typically both male and female, and meet up to breed with each other simultaneously.
    140214-ahanlon-86339.jpg
  • Like a ship plowing its way across the ocean's surface, this many lobed ceratosoma (Ceratosoma tenue) moves across the sea bed.
    161001-ahanlon-506211.jpg
  • The vibrant colors of this Hypselodoris apolegma, attempt to warn other animals that it may not be so good to eat.
    161011-ahanlon-500775.jpg
  • A Polycera quadralineata nudibranch strikes a pose on a kelp frond. This nudibranch is "sniffing" its environment for threats or food, by elevating its rhinophores.
    170304-ahanlon-505800.jpg
  • Super macro study of the head of a crested nembrotha (Nembrotha cristata) nudibranch. These sea slugs come in an amazing variety of shapes, sizes and colors.
    140211-ahanlon-85444.jpg
  • This nudibranch has evolved to be able to generate its own food by having photosynthetic zooxanthellae algae within it. The solar-powered phyllodesmium (Phyllodesmium longicirrum) ingest green algae without completely digesting it and stores the algae's chloroplasts in the obvious spots on its body.
    140209-ahanlon-84367.jpg
  • Close up stady of the rhinophores of a Marie's Mexichromis nudibranch. (Mexichromis mariei). These sensory organs provide a great deal of information about chemical and scents in the water as well as currents and water movements. Taken in the Lembeh Straits, Sulawesi, Indonesia.
    160927-ahanlon-504981.jpg
  • This Marie's Mexichromis (Mexichromis mariei) is laying a trail or ribbon of eggs. Each species of nudibranch has a distinct pattern when it lays eggs and this allows biologists to identify which eggs belong to which animal.
    161003-ahanlon-507104.jpg
  • Two Phyllidia marindica nudibranchs prepare to mate. These animals are widespread throughout the Indian and Pacific Oceans.
    161005-ahanlon-508442.jpg
  • A bus stop nudibranch (Goniobranchus hintuanensis) lifts its mantle or skirt as it negotiates the sea floor. These species were re classified with the help of DNA analyisis in 2012. Nudibrachs move with the help of a muscular foot, that has rythmic contractions along its length.
    161005-ahanlon-508611.jpg
  • Nudibranchs lay chacteristic patterns of eggs on rocks or the sea bed. This many lobed ceratosoma (Ceratosoma tenue) is layinga spiral of red eggs on a small rock
    131022-ahanlon-82070.jpg
  • This nudibranch has evolved to be able to generate its own food by having photosynthetic zooxanthellae algae within it. The solar-powered phyllodesmium (Phyllodesmium longicirrum) ingest green algae without completely digesting it and stores the algae's chloroplasts in the obvious spots on its body.
    140209-ahanlon-84370.jpg
  • Close up of a nudibranch's rhinophore. These animals use these organs to detect chemicals in the water to effcetively find food and potential mates. They also sense water movements, giving the nudibranch information about its environment.
    160927-ahanlon-504854.jpg
  • The red on this Nembrotha kubaryana signal danger to any passing animla that thinks that it might be a good meal!
    160928-ahanlon-505298.jpg
  • Risbecia tryoni nudibranchs apparently nuzzle priot to mating. It is likely that they are actually using the chemical receptors on their rhinophores to sense the readiness of the other.
    160930-ahanlon-24432.jpg
  • This Marie's Mexichromis (Mexichromis mariei) is laying a trail or ribbon of eggs. Each species of nudibranch has a distinct pattern when it lays eggs and this allows biologists to identify which eggs belong to which animal.
    161003-ahanlon-507096.jpg
  • It is obvious how the construction of this crested nembrotha"s (Nembrotha cristata) rhinophores have been designed in order to maximise their surface area. Like the cooling fins on a motornike engine, this increased surface area allows them to sample more water around them and hence obtian a better picture of their environment.
    161005-ahanlon-508791.jpg
  • The colors of this Flabellina rubrolineata warn other animals that it may give them a anasty surpise if they try to eat it. It can store the poison from the stinging cells of the animals it eats, and use it as aweapon in its defence.
    161005-ahanlon-508817.jpg
  • The white sacks at the ends of this nudibranch's cerata are cnidosacks. The darker areas are digestive canals. These nudibranchs feed on hydriods, which have stinging cells. These are processed by the nudibranch, passed through the disgestive canals and end up in the cnidosacks. This presents an unpleasant suprise for any would-be predator.
    170303-ahanlon-505669.jpg
  • A Coryphella lineata nudibranch on a hydroid in the cold green waters of Norway. Nudibranchs exist in just about evrry climatic region, from tropical reefs to polar oceans.
    170303-ahanlon-505678.jpg
  • Nudibranchs will often climb up bits of coral in order to use their extraordinary chemo receptor rhinophores to "taste" the water and sense food sources and threats.
    161005-ahanlon-508450.jpg
  • Two crested nembrotha (Nembrotha cristata) nudibranchs doing their bit for survival of the species. Komodo, Inonesia
    Capture NX-86339.jpg
  • 140214_Komodo_86337.jpg
  • Super macro study of the head of a crested nembrotha (Nembrotha cristata) nudibranch. These sea slugs come in an amazing variety of shapes, sizes and colors.
    140211_Komodo_85444.jpg
  • Geometric Chromodoris (Chromodoris geometries) moving across its substrate of a piece of fallen timber. In common with many nudibranchs, this Chromodoris feeds on hydroids, coral, sponges and anemones. As it moves, its mantle "waves" up and down.
    131022-ahanlon-82115.jpg
  • There are still many species of nudibranch that are as yet undescribed by science. This animla rejoices in the name Nembrotha species 2 and is not yet properly taxonomically classified. The use of genetic sequencing has also created many new controversies, with many existing families and species being reclassified. This partcular specimen has tangled with something that has removed one rhinophore.
    161005-ahanlon-508804.jpg
  • A girdled Glossodoris (Glossodoris cincta) nudibranch makes its way across the sea bed. Nudinbranchs use muscular contractions of their mantles to undulate and allow them to move.
    160928-ahanlon-505450.jpg
  • A Yamasu's cuthona (Cuthona yamasui) makes its way across the sea bed
    161013-ahanlon-501724.jpg
  • A beautifully colored Dermatobranchus ornatus nudibranch moves across the corals of a reef in Indonesia.
    160915-ahanlon-66.jpg
  • This is the brachial plume, or the gills of this nudibranch. As it lives underwater, it does not breathe in the same way that mammals do, but this organ allows it to extract oxygen from the water.
    160928-ahanlon-505622.jpg
  • Although it looks like a fire breathing dragon, a tiny Gabriela's tambja (Tambja gabrielae) uses its rhinophores to evaluate its environment.
    160929-ahanlon-505963.jpg
  • A Limacia clavigera that feeds excusivly on a bryazoan that covers the surfaces of kelp fronds, like 9the one pictured. Another temperate water species, this one was phoptographed in the cold clear waters off Norway
    170304-ahanlon-505783.jpg
  • Not all nudibranchs are brightly colored! This Rudman's phyllodesmium (Phyllodesmium rudmani ) has evolved to look like the polyps of the Xenia soft corals that it normally inhabits.
    161009-ahanlon-509794.jpg
  • Magnificent vibrant colors serve as a warning that this Hypselodoris apolegma nudibranch is likely to be an unpleasant meal for any would be predator.
    160928-ahanlon-505619.jpg
  • Super macro study of the head of a crested nembrotha (Nembrotha cristata) nudibranch. These sea slugs come in an amazing variety of shapes, sizes and colors.
    140211_Komodo_85444.jpg
  • A Polycera quadralineata nudibranch strikes a pose on a kelp frond. Species from temperate regions of the world still display the bright colorations of their warmer water relatives.
    170303-ahanlon-505641.jpg
  • A Poycera quadrilineata nudibranch strikes a pose on a kelp frond. Diving at Gulen Dive Resort, Norway during their annual Nudibranch Safari, it was amazing to find hundreds of these creatures in a huge variety of species.
    170304-ahanlon-505801.jpg