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  • christoph_troesch_underwater
    Christoph Trösch
    @christoph_troesch_underwater

Images by christoph_troesch_underwater

Silky sharks (Carcharhinus falciformis) are viviparous. This means that they develop up to 16 pups (mostly less) inside their body and then give live birth. Most sharks do it like that. Only 30% of sharks literally lay eggs. These Silkies here were cruising around our liveaboard vessel.🦈
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@aqua.adventure #shark #silkyshark #silkies #sharks #sharkstagram #ilovesharks #sharkdiving #sharkweek #tiburones #requin #ikanhiu #buceo #tauchen #hai #plongée #socorro #liveaboard #divingtrip #sharklove #sharklover #goprohero5 #uwvideo #sharkvideo #videogram #videography #video #videos #underwatervideo #underwaternerdland #helloadam
Silky sharks (Carcharhinus falciformis) are viviparous. This means that they develop up to 16 pups (mostly less) inside their body and then give live birth. Most sharks do it like that. Only 30% of sharks literally lay eggs. These Silkies here were cruising around our liveaboard vessel.🦈 . . . . @aqua.adventure #shark  #silkyshark  #silkies  #sharks  #sharkstagram  #ilovesharks  #sharkdiving  #sharkweek  #tiburones  #requin  #ikanhiu  #buceo  #tauchen  #hai  #plongée  #socorro  #liveaboard  #divingtrip  #sharklove  #sharklover  #goprohero5  #uwvideo  #sharkvideo  #videogram  #videography  #video  #videos  #underwatervideo  #underwaternerdland  #helloadam 
Coral reefs are beautiful undersea cities, filled with colorful fish, intricate formations and wondrous sea creatures. The importance of coral reefs, however, extends far beyond the pleasure it brings to those who explore it. Coral reefs play an essential role in everything from water filtration and fish reproduction to shore line protection and erosion prevention.
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#rajaampat #rajaampatisland #corals #reef #coralreef #coralreefs #marinelife #marinebiology #marineconservation #corales #corallo #protectouroceans #hardcoral #softcoral #uwphoto #underwaternerdland #underwaterphotography #underwater #rajaampatpapua #papuadiving #westpapua #paditv #scubagram #diving #buceo #tauchen #duiken #underwaterlove #underwaterlife #underwater_world_ Text by @rajaampatbiodiversity
Coral reefs are beautiful undersea cities, filled with colorful fish, intricate formations and wondrous sea creatures. The importance of coral reefs, however, extends far beyond the pleasure it brings to those who explore it. Coral reefs play an essential role in everything from water filtration and fish reproduction to shore line protection and erosion prevention. . . . . #rajaampat  #rajaampatisland  #corals  #reef  #coralreef  #coralreefs  #marinelife  #marinebiology  #marineconservation  #corales  #corallo  #protectouroceans  #hardcoral  #softcoral  #uwphoto  #underwaternerdland  #underwaterphotography  #underwater  #rajaampatpapua  #papuadiving  #westpapua  #paditv  #scubagram  #diving  #buceo  #tauchen  #duiken  #underwaterlove  #underwaterlife  #underwater_world_  Text by @rajaampatbiodiversity
Neopetrolisthes oshimai on its #anemone. Porcelain #crabs can be found everywhere on earth except in the Arctic Ocean and the Antarctica. Go gentle on them since they can easily lose arms and legs when in defense mode. 🦀
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#diving #scubadiving #porcelaincrab #macrophotography #macro #underwatermacro #underwaterphoto #underwaterphotography #100thpost #post100 #crustacean #crustaceans #buceo #indonesiadiving #rajaampat #lembeh #bunaken #tulamben #richelieurock #batubolong #uwmacro #uwphoto #scubagram #watergram #pattern #patternity #underwaternerdland #underwater
Neopetrolisthes oshimai on its #anemone . Porcelain #crabs  can be found everywhere on earth except in the Arctic Ocean and the Antarctica. Go gentle on them since they can easily lose arms and legs when in defense mode. 🦀 . . . . #diving  #scubadiving  #porcelaincrab  #macrophotography  #macro  #underwatermacro  #underwaterphoto  #underwaterphotography  #100thpost  #post100  #crustacean  #crustaceans  #buceo  #indonesiadiving  #rajaampat  #lembeh  #bunaken  #tulamben  #richelieurock  #batubolong  #uwmacro  #uwphoto  #scubagram  #watergram  #pattern  #patternity  #underwaternerdland  #underwater 
A grey #reef #shark (Carcharhinus amblyrhynchos), seen at Cape Kri, #rajaampat. Indonesia has the highest diversity of sharks worldwide with 118 different species. Reportedly, it is also the largest shark fishery in the world with more than 100‘000 tons of live weight per year. Spain with around 60‘000 tons is on rank 3. can anyone provide more recent numbers on this? 🦈
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#stopsharkfinning #stopsharkfinsoup #stopfinning #sharks #requin #tiburon #hiu #hai #sharklover #sharklove #sharkstagram #sharksquad #sharkskin #oceanconservation #marinebiology #marineconservation #savethesharks #stopfishing #sharkdiving #sharkattack #sharknado #sharky #greyreefshark #rajaampatisland @marinecsiorg @loving__shark @juansharks #juansharks
A grey #reef  #shark  (Carcharhinus amblyrhynchos), seen at Cape Kri, #rajaampat . Indonesia has the highest diversity of sharks worldwide with 118 different species. Reportedly, it is also the largest shark fishery in the world with more than 100‘000 tons of live weight per year. Spain with around 60‘000 tons is on rank 3. can anyone provide more recent numbers on this? 🦈 . . . . #stopsharkfinning  #stopsharkfinsoup  #stopfinning  #sharks  #requin  #tiburon  #hiu  #hai  #sharklover  #sharklove  #sharkstagram  #sharksquad  #sharkskin  #oceanconservation  #marinebiology  #marineconservation  #savethesharks  #stopfishing  #sharkdiving  #sharkattack  #sharknado  #sharky  #greyreefshark  #rajaampatisland  @marinecsiorg @loving__shark @juansharks #juansharks 
#Octopuses have three 💙: two branchial hearts that pump blood through the gills and one systemic heart that circulates the blood in the body. These #cephalopods sometimes prefer to crawl rather than to swim because their systemic heart is resting when doing the ladder. This day octopus is from #rajaampat. 🐙
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#cephalopod #octopus #iloveoctopus #uwvideo #videogram #octopusvideo #underwatervideo #underwaterphotography #underwaternerdland #bestvideo #octopuslove #videooftheday #marinelife #scubagram #scubadiving #paditv #underwaterworld #buceo #tauchen #plongée #duiken #tintenfisch #pulpo #videos #videohot #underwatervideos @octonation @octopus_gram #octonation
#Octopuses  have three 💙: two branchial hearts that pump blood through the gills and one systemic heart that circulates the blood in the body. These #cephalopods  sometimes prefer to crawl rather than to swim because their systemic heart is resting when doing the ladder. This day octopus is from #rajaampat . 🐙 . . . . #cephalopod  #octopus  #iloveoctopus  #uwvideo  #videogram  #octopusvideo  #underwatervideo  #underwaterphotography  #underwaternerdland  #bestvideo  #octopuslove  #videooftheday  #marinelife  #scubagram  #scubadiving  #paditv  #underwaterworld  #buceo  #tauchen  #plongée  #duiken  #tintenfisch  #pulpo  #videos  #videohot  #underwatervideos  @octonation @octopus_gram #octonation 
The bodies of #squids, #cuttlefish and #octopus are soft and pliant. And yet, they manage to crack shells and clams. This is because of their strong parrot-like beak made of chitin. On this picture, it’s located but retracted in the opening at the lower right side. I‘ve seen this #squid around Kawe, #RajaAmpat. 🦑
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#nightdiving #scubagram #underwater_world_ #underwaternerdland #underwaterphotography #uwmacro #uwphoto #blackwater #cephalopod #uwphotography #marinebiology #rajaampatdiving #westpapua #indonesiadiving #instagood #underwaterlicious #underwaterlife #paditv #apeks #olympustg4 #sealife #cephalopod #octonation @octonation #rajaampatisland #macrophotography #ilovescuba #squidink #beautifulanimals #scubadiving #underwatermacro #underwatermacrophotography #instagram #liveaboard #beak #beaking #tauchen #duiken #plongee #buceo #scubadive #scubapro
The bodies of #squids , #cuttlefish  and #octopus  are soft and pliant. And yet, they manage to crack shells and clams. This is because of their strong parrot-like beak made of chitin. On this picture, it’s located but retracted in the opening at the lower right side. I‘ve seen this #squid  around Kawe, #RajaAmpat . 🦑 . . . . #nightdiving  #scubagram  #underwater_world_  #underwaternerdland  #underwaterphotography  #uwmacro  #uwphoto  #blackwater  #cephalopod  #uwphotography  #marinebiology  #rajaampatdiving  #westpapua  #indonesiadiving  #instagood  #underwaterlicious  #underwaterlife  #paditv  #apeks  #olympustg4  #sealife  #cephalopod  #octonation  @octonation #rajaampatisland  #macrophotography  #ilovescuba  #squidink  #beautifulanimals  #scubadiving  #underwatermacro  #underwatermacrophotography  #instagram  #liveaboard  #beak  #beaking  #tauchen  #duiken  #plongee  #buceo  #scubadive  #scubapro 
The beautiful silvertip shark (Carcharhinus albimarginatus 😍) is said to be an aggressive predator. They feed on bony fishes, eagle rays, smaller sharks and cephalopods. To me, they just seem really calm and look perfect with their bulky body and the silver margins. A young female, seen at El Cañon, Mexico.🦈
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#shark #sharks #sharkattack #sharkdiving #sharklove #sharklover #requin #requins #tiburones #tiburon #tiburón #hai #haie #socorro #blackandwhite #blackandwhitephotography #underwaternerdland #uwphoto #underwaterphotography #olympustg4 #ilovesharks #ilovescuba #scubagram #paditv #revillagigedo #diving #plongée #tauchen #bigfish #apeks
The beautiful silvertip shark (Carcharhinus albimarginatus 😍) is said to be an aggressive predator. They feed on bony fishes, eagle rays, smaller sharks and cephalopods. To me, they just seem really calm and look perfect with their bulky body and the silver margins. A young female, seen at El Cañon, Mexico.🦈 . . . . #shark  #sharks  #sharkattack  #sharkdiving  #sharklove  #sharklover  #requin  #requins  #tiburones  #tiburon  #tiburón  #hai  #haie  #socorro  #blackandwhite  #blackandwhitephotography  #underwaternerdland  #uwphoto  #underwaterphotography  #olympustg4  #ilovesharks  #ilovescuba  #scubagram  #paditv  #revillagigedo  #diving  #plongée  #tauchen  #bigfish  #apeks 
Octopus fight! Although octopuses spend 40% of their time hidden away in a den, they usually don’t show territorial behavior. I encountered these two in Koh Tachai, Thailand - and I actually don‘t know what the fight was about. Any ideas? 🐙
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#cephalopod #cephalopods  #animalfight #octopus #octopuses #octopusfight #octonation @octonation #octopoda #octopodes #underwaternerdland #videogram #instavideo #paditv #uwvideo #uwvideography #underwater_world_ #underwatervideo #scubadiving #tintenfisch #oktopus #pulpo #poulpe #cephalopoda #iloveoctopus #gopro3 #kohtachai #similan #kohsimilan #similans #marinebiology
Octopus fight! Although octopuses spend 40% of their time hidden away in a den, they usually don’t show territorial behavior. I encountered these two in Koh Tachai, Thailand - and I actually don‘t know what the fight was about. Any ideas? 🐙 . . . . #cephalopod  #cephalopods  #animalfight  #octopus  #octopuses  #octopusfight  #octonation  @octonation #octopoda  #octopodes  #underwaternerdland  #videogram  #instavideo  #paditv  #uwvideo  #uwvideography  #underwater_world_  #underwatervideo  #scubadiving  #tintenfisch  #oktopus  #pulpo  #poulpe  #cephalopoda  #iloveoctopus  #gopro3  #kohtachai  #similan  #kohsimilan  #similans  #marinebiology 
The awesome #silkyshark (Carcharhinus falciformis) gets its name from the smooth texture of its skin. They can reach 3.5 meters in length and are the most widespread sharks of the “pelagic zone” - continental shelves with depths of 500 meters or more. This one was checking out scuba divers just underneath the liveaboard vessel at El Cañon, #Socorro.
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#shark #sharks #sharkdiving #sharkwater #ilovesharks #sharkstagram #silkies #scubadive #scubagram #scubadiving #paditv #underwaternerdland #underwaterphotography #uwphoto #wideangle #sharkphotography #underwater_world_ #underwater #chingon #buceo #tiburon #tiburones #requin #requins #hai #haie #silkysharks #snorkel
The awesome #silkyshark  (Carcharhinus falciformis) gets its name from the smooth texture of its skin. They can reach 3.5 meters in length and are the most widespread sharks of the “pelagic zone” - continental shelves with depths of 500 meters or more. This one was checking out scuba divers just underneath the liveaboard vessel at El Cañon, #Socorro . . . . . #shark  #sharks  #sharkdiving  #sharkwater  #ilovesharks  #sharkstagram  #silkies  #scubadive  #scubagram  #scubadiving  #paditv  #underwaternerdland  #underwaterphotography  #uwphoto  #wideangle  #sharkphotography  #underwater_world_  #underwater  #chingon  #buceo  #tiburon  #tiburones  #requin  #requins  #hai  #haie  #silkysharks  #snorkel 
The Red Sawblade Shrimp
(Tozeuma sp.) is about 50 mm long. Prior to mating, these #crustaceans produce a special smell to attract a mate and therefore exhibit their desire to copulate quite soon. Seen in Lembeh, Indonesia. I like the rather special colorway.🦐
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#crustacés #shrimp #lembeh #lembehisland #lembehstrait #sulawesiutara #sulawesiutaratrip #underwaternerdland #underwater_world_ #underwaterphotography #macrophoto #uwmacro #uwphoto #scubagram #scubadive #olympustg4 #mating #macrophotos #macrophilia #macroworld #shrimps #underwater #underwaterworld #plongee #buceo #diving #tauchen #muckdive #muckdiving
The Red Sawblade Shrimp (Tozeuma sp.) is about 50 mm long. Prior to mating, these #crustaceans  produce a special smell to attract a mate and therefore exhibit their desire to copulate quite soon. Seen in Lembeh, Indonesia. I like the rather special colorway.🦐 . . . . #crustacés  #shrimp  #lembeh  #lembehisland  #lembehstrait  #sulawesiutara  #sulawesiutaratrip  #underwaternerdland  #underwater_world_  #underwaterphotography  #macrophoto  #uwmacro  #uwphoto  #scubagram  #scubadive  #olympustg4  #mating  #macrophotos  #macrophilia  #macroworld  #shrimps  #underwater  #underwaterworld  #plongee  #buceo  #diving  #tauchen  #muckdive  #muckdiving 
This is the highfin snake eel (Ophichthus altipennis), a very weird critter that has evolved to one of the signature animals of the #lembehstrait in Indonesia. They can get 1 m long but they prefer to bury most of their snake-like bodies in the sand.🐍
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#lembeh #snakeeel #muckdive #muckdiving #blacksand #uwphoto #uwmacro #underwaternerdland #underwaterphotography #underwater #scubadiving #scubagram #tauchen #buceo #plongée #macrophotography #olympustg4 #itorch #lembehisland #pulaulembeh #sulawesiutara #eel #snake #scuba #instagood #paditv #underwater_indonesia #underwater_world_ #dive
This is the highfin snake eel (Ophichthus altipennis), a very weird critter that has evolved to one of the signature animals of the #lembehstrait  in Indonesia. They can get 1 m long but they prefer to bury most of their snake-like bodies in the sand.🐍 . . . . #lembeh  #snakeeel  #muckdive  #muckdiving  #blacksand  #uwphoto  #uwmacro  #underwaternerdland  #underwaterphotography  #underwater  #scubadiving  #scubagram  #tauchen  #buceo  #plongée  #macrophotography  #olympustg4  #itorch  #lembehisland  #pulaulembeh  #sulawesiutara  #eel  #snake  #scuba  #instagood  #paditv  #underwater_indonesia  #underwater_world_  #dive 
Stony #corals occur in all of our oceans and have formed the most #coralreefs by secreting calcium carbonate for 500 million years. Today, the conservation status of a lot of #hardcorals like this Seriatopora caliendrum is #nearthreatened or #endangered and they are probably passing the point of no return before 2040 - because of the ongoing warming period, the acidification of the water and other threats.🌏
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#oceanprotection #oceanconservation #marineconservation #globalwarming #aquarium #coral #noaa #reef #hardcoral #stonycoral #saveourplanet #saveourocean #saveourreefs #protectouroceans #protectourreefs #protectourplanet #underwaternerdland #underwaterphotography #uwphoto #uwmacro #scubagram #paditv #instagood #macrogram #underwater_world_
Stony #corals  occur in all of our oceans and have formed the most #coralreefs  by secreting calcium carbonate for 500 million years. Today, the conservation status of a lot of #hardcorals  like this Seriatopora caliendrum is #nearthreatened  or #endangered  and they are probably passing the point of no return before 2040 - because of the ongoing warming period, the acidification of the water and other threats.🌏 . . . . #oceanprotection  #oceanconservation  #marineconservation  #globalwarming  #aquarium  #coral  #noaa  #reef  #hardcoral  #stonycoral  #saveourplanet  #saveourocean  #saveourreefs  #protectouroceans  #protectourreefs  #protectourplanet  #underwaternerdland  #underwaterphotography  #uwphoto  #uwmacro  #scubagram  #paditv  #instagood  #macrogram  #underwater_world_ 
The #Revillagigedo Archipelago offers mostly stone reefs with little #coral. Nonetheless, if you look closely, you can even see nice star #corals like this Montastraea cavernosa. I’ve seen this one at Roca Partida, but I think they are widespread in the pacific.⭐️
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#uwmacro #uwphoto #underwatermacro #underwatermacrophotography #olympustg4 #olympus #bajacaliforniasur #buceo #paditv #scubagram #macro #macrophotography #apeks #rocapartida #socorro #photomacro #underwater_world_ #underwaterworld #coralworld #diving #scubadiving #ilovescuba #oceanprotection #oceanconservation #yellow #macroshot #bestdiving
The #Revillagigedo  Archipelago offers mostly stone reefs with little #coral . Nonetheless, if you look closely, you can even see nice star #corals  like this Montastraea cavernosa. I’ve seen this one at Roca Partida, but I think they are widespread in the pacific.⭐️ . . . . #uwmacro  #uwphoto  #underwatermacro  #underwatermacrophotography  #olympustg4  #olympus  #bajacaliforniasur  #buceo  #paditv  #scubagram  #macro  #macrophotography  #apeks  #rocapartida  #socorro  #photomacro  #underwater_world_  #underwaterworld  #coralworld  #diving  #scubadiving  #ilovescuba  #oceanprotection  #oceanconservation  #yellow  #macroshot  #bestdiving 
How many sea lions can you see in this picture❓These are the awesome young California sea lions (Zalophus californianus) at Isla Cedros, #Mexico. They are the opposite of shy and I loved the interaction with those cute marine mammals.🦁
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#sealionlove #sealion #sealions #sealionpup #sealionsofinstagram #furseal #furseals #cedrosisland #bajacalifornia #bajacaliforniasur #buceo #lobosmarinos #sexyeyes #uwphotos #underwaternerdland #underwaterphoto #underwaterphotography #paditv #scubagram #underwaterworld #marinebiology #oceanprotection #seelöwe #pinniped #pinnipeds #awesome #scubadiving #bestdive #california There are 7!
How many sea lions can you see in this picture❓These are the awesome young California sea lions (Zalophus californianus) at Isla Cedros, #Mexico . They are the opposite of shy and I loved the interaction with those cute marine mammals.🦁 . . . . #sealionlove  #sealion  #sealions  #sealionpup  #sealionsofinstagram  #furseal  #furseals  #cedrosisland  #bajacalifornia  #bajacaliforniasur  #buceo  #lobosmarinos  #sexyeyes  #uwphotos  #underwaternerdland  #underwaterphoto  #underwaterphotography  #paditv  #scubagram  #underwaterworld  #marinebiology  #oceanprotection  #seelöwe  #pinniped  #pinnipeds  #awesome  #scubadiving  #bestdive  #california  There are 7!
Salps (Salpidae) are some kind of tunicates that are floating around in the oceans. They feed on phytoplankton that they filter out of the water. Normally, they chain up to massive salp belts of several meters. This one here was on its own at Isla #Guadalupe, Mexico.🇲🇽
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#salp #buceo #mexico #scubadiving #scubagram #macro #macrophotography #underwatermacro #uwmacro #uwphoto #underwaternerdland #uwmacrophotography #underwatermacrophotography #underwaterphotography #underwaterphoto #olympustg4 #islaguadalupe #guadalupeisland #tunicate #plankton #handful #space #earthfromspace #ourplanet #oceanconservation #weirdanimal #whatisthis #bestpicture #watercolor
Salps (Salpidae) are some kind of tunicates that are floating around in the oceans. They feed on phytoplankton that they filter out of the water. Normally, they chain up to massive salp belts of several meters. This one here was on its own at Isla #Guadalupe , Mexico.🇲🇽 . . . . #salp  #buceo  #mexico  #scubadiving  #scubagram  #macro  #macrophotography  #underwatermacro  #uwmacro  #uwphoto  #underwaternerdland  #uwmacrophotography  #underwatermacrophotography  #underwaterphotography  #underwaterphoto  #olympustg4  #islaguadalupe  #guadalupeisland  #tunicate  #plankton  #handful  #space  #earthfromspace  #ourplanet  #oceanconservation  #weirdanimal  #whatisthis  #bestpicture  #watercolor 
Great White Shark (Carcharodon carcharias) gets photobombed by jack mackerel (Trachurus symmetricus). This is one of more than 241 Great White Sharks around Isla Guadalupe, where @marinecsiorg ID and tag individuals to collect important data that helps us understand these magnificent creatures a little bit better.🦈
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#underwaternerdland #underwaterphoto #uwphoto #shark #sharklove #greatwhiteshark #greatwhite #guadalupe #islaguadalupe #sharkconservation #tiburonblanco #mexicogram #scubagram #sharkstagram #sharks #requin #underwaterphotography #ilovesharks #sharkdiving #sharknose #stopfinning #photobomb #photobombed #apeks #loveshark #carcharodoncarcharias #olympustg4 #diving #buceo #sharknado
Great White Shark (Carcharodon carcharias) gets photobombed by jack mackerel (Trachurus symmetricus). This is one of more than 241 Great White Sharks around Isla Guadalupe, where @marinecsiorg ID and tag individuals to collect important data that helps us understand these magnificent creatures a little bit better.🦈 . . . . #underwaternerdland  #underwaterphoto  #uwphoto  #shark  #sharklove  #greatwhiteshark  #greatwhite  #guadalupe  #islaguadalupe  #sharkconservation  #tiburonblanco  #mexicogram  #scubagram  #sharkstagram  #sharks  #requin  #underwaterphotography  #ilovesharks  #sharkdiving  #sharknose  #stopfinning  #photobomb  #photobombed  #apeks  #loveshark  #carcharodoncarcharias  #olympustg4  #diving  #buceo  #sharknado 
Although they can change their color from brown to white to yellow, young #Wonderpus #octopuses (Wunderpus photogenicus) can be recognized by the unique pattern of their chromatophores. This one was tiny but beautiful. Seen at amazing Serena, #Lembeh.🐙
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#octopus #lembehstrait #octopodes #cephalopod #cephalopods #ceph #octopuslove #wonderpus #muckdive #muckdiving #cephalopoda #scubagram #instavideo #videogram #video #underwatervideo #uwvideo #videography #underwaternerdland #underwaterworld #uwphoto #uwmacro #octonation @octonation #iloveoctopus #ilovescuba #videos #closeup
Although they can change their color from brown to white to yellow, young #Wonderpus  #octopuses  (Wunderpus photogenicus) can be recognized by the unique pattern of their chromatophores. This one was tiny but beautiful. Seen at amazing Serena, #Lembeh .🐙 . . . . #octopus  #lembehstrait  #octopodes  #cephalopod  #cephalopods  #ceph  #octopuslove  #wonderpus  #muckdive  #muckdiving  #cephalopoda  #scubagram  #instavideo  #videogram  #video  #underwatervideo  #uwvideo  #videography  #underwaternerdland  #underwaterworld  #uwphoto  #uwmacro  #octonation  @octonation #iloveoctopus  #ilovescuba  #videos  #closeup