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  • A Frogfish (Antennarius sp.) is fishing with its illicium.  When a prey is attrached the fish opens its mouth and such in the victime within a fraction of a second.
    35111-D.jpg
  • Warty Anglerfish (Antennarius maculatus)
    2694.jpg
  • A Frogfish (Antennarius sp.) is fishing with its illicium.  When a prey is attrached the fish opens its mouth and such in the victime within a fraction of a second.
    2464-D.jpg
  • Spotfin frogfish, (Antennarius nummifer).
    2660.jpg
  • Achilles Surgeonfish (Acanthurus achilles) feeding on algae in an aquarium.
    35383-D.jpg
  • A Frogfish (Antennarius sp.) is fishing with its illicium.  When a prey is attrached the fish opens its mouth and such in the victime within a fraction of a second.
    2465-D.jpg
  • Broomtail wrasse, Cheilinus lunulatus, endemic to the Red Sea and Gulf of Aden.
    2064-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2794-D.jpg
  • Malawi cicklid from the Mbuna group (Metriaclima zebra) dominant male.
    35055-D.jpg
  • Six-spot Goby (Valenciennea sexguttata) in front of their hidingplace in the shallow lagoon at Kuredu Island, the Maldives.
    2478.jpg
  • A pair of Frogfishes, Antennarius sp. (possibly Giant Frogfish, A. commersoni), in a reef in the Maldives.  When divers returned to this very same spot 3 months later, the pair was still here!
    2483.jpg
  • Copperband Butterflyfish (Chelmon rostratus) from Hook Island, Whitsunday Islands, Great Barrier Reef
    2058.jpg
  • Emperor Angelfish, Pomacanthus imperator.
    35403-D.jpg
  • Emperor Angelfish, Pomacanthus imperator.
    35401-D.jpg
  • Broomtail wrasse, Cheilinus lunulatus, endemic to the Red Sea and Gulf of Aden.
    2046-D.jpg
  • Broomtail wrasse, Cheilinus lunulatus, endemic to the Red Sea and Gulf of Aden.
    2065-D.jpg
  • Sohal of Herring (Clupea harengus)
    2792-D.jpg
  • Short-nose unicornfish, Naso unicornis.
    35410-D.jpg
  • Napoleon Fish, the big wrasse, Cheilinus undulatus.
    2063-D.jpg
  • Short-nose unicornfish, Naso unicornis.
    35375-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2793-D.jpg
  • Danmarks akvarium 2005.  Doidontidae pinnsvinfisk porcupinefishes
    2089-D.jpg
  • Stars and stripes toadfish (Arothron hispidus)
    2780-D.jpg
  • Shaw's Cowfish - Aracana aurita (female).
    2882-D.jpg
  • Spotted Seahorse, Hippocampus kuda.
    2425-D.jpg
  • Blackspotted Puffer, Arothron nigropunctatus yellow phase).
    2875-D.jpg
  • Snake pipefish, Entelurus aequoreus.
    2231-D.jpg
  • Pair of Philippine Butterflyfish (Chaetodon adiergastos) from Cabilao, the Philippines.
    2783.jpg
  • Sohal of bluestripe snapper (Lutjanus kasmira) from the Maldives.
    2842.jpg
  • Sohal of  hardyhead silverside (Atherinomorus lacunosus) in shallow water close to the beach at Kurtedu Island, the Maldives.
    2820.jpg
  • Silament-finned parrotfish (Scarus altipinnis).
    2932.jpg
  • Emperor Angelfishes (Pomacanthus imperator.). An unique photo of an adult and a juvenile specimen swimming together , Kuredu Island, the Maldives.
    2464.jpg
  • Crocodile flathead (Cociella crocodilus) from Bunaken, North Sulawesi, Indonesia.
    2007.jpg
  • Coral hind (Cephalopholis miniata) from Latheef Reef, Kuredu, the Maldives.
    2061.jpg
  • Orangestriped Triggerfish, Balistapus undulatus.
    2662-D.jpg
  • Twospot bristletooth, Ctenochaetus tominiensis
    35059-D.jpg
  • Dusky Wrasse, Halicoeres marginatus
    35116-D.jpg
  • White-freckled Surgeonfish, Acanthurus maculiceps.
    35126-D.jpg
  • The Manini or Convict Surgeonfish, Acanthurus triostegus.
    35173-D.jpg
  • Redtooth Triggerfish, Odonus niger.
    35288-D.jpg
  • Orange-spotted Filefish (Oxymonacanthus longirostris).
    35559.jpg
  • Clearfin Lionfish, Pterois radiata, from the Red Sea.
    35130-D.jpg
  • Awroana, Sceleropages sp.
    35325-D.jpg
  • Wreckfish or Lyretail Anthias, Pseudanthias squamipinnis. Female.
    35231-D.jpg
  • Discus, Symphysodon aequifasciatus.
    35259-D.jpg
  • Discus, Symphysodon aequifasciatus.
    35260-D.jpg
  • Discus, Symphysodon aequifasciatus.
    35265-D.jpg
  • Cuckoo Wrasse, Labrus bimaculatus, male.
    35298-D.jpg
  • Atlantic Cod, Gadus morhua.
    35301-D.jpg
  • Thornback Ray, Raja clavata.
    35315-D.jpg
  • Corkwing Wrasse, Symphodus melops.
    35320-D.jpg
  • Threadfin Butterflyfish, Chaetodon auriga
    2094-D.jpg
  • Saddled Butterflyfish, Chaetodon ephippium
    2115-D.jpg
  • Merten's Butterflyfish, Chaetodon mertensii.  Indian Ocean colour form.
    2839-D.jpg
  • Yellow Longnose Butterflyfish, Forcipiger flavissimus.
    35247-D.jpg
  • Copperband Butterflyfish, Chelmon rostratus.
    35250-D.jpg
  • Rock Beauty, Holacanthus tricolor.
    2035-D.jpg
  • Regal Angelfish, Pygoplites diacanthus.
    35192-D.jpg
  • Juvenile Emperor Angelfish, Pomacanthus imperator, feeding on tiny invertebrates that grow from live rocks in a marine coral reef aquarium.
    35193-D.jpg
  • Emperor Angelfish, Pomacanthus imperator. Subadult specimen about to change to adult colours.
    35208-D.jpg
  • Queen Angelfish, Holacanthus ciliaris.
    35364-D.jpg
  • Emperor angelfish (Pomacanthus imperator).
    35392-D.jpg
  • Cleaner wrasse (Labroides dimidiatus) cleaning the Clarion Angelfish (Holacanthus clarionensis) in a small reef aquarium.
    35395-D.jpg
  • Yellow tang (Zebrasoma flavescens).
    2975.jpg
  • Springer's Dottyback (Pseudochromis springeri)
    2500.jpg
  • Sohal of  hardyhead silverside (Atherinomorus lacunosus) in shallow water at Kurtedu Island, the Maldives.
    2836.jpg
  • Golden-striped Butterflyfish (Chaetodon aureofasciatus) at Hook Island, Great Barrier Reef, Australia.
    2994.jpg
  • Pair of Black Butterflyfish (Chaetodon flavirostris) photographed at Heron Island, southern Great Barrier Reef.
    2960.jpg
  • Alfosino ((Beryx decadactylus) caught from deep water at Hidra, south-western Norway.
    2134.jpg
  • Picassofish (Rhinecanthus aculeatus) from Kuredu Island, the Maldives. This species is also known as also known as Humuhumu.
    2467.jpg
  • Scythe Triggerfish (Sufflamen bursa) from Kuredu Island, the Maldives.
    2458.jpg
  • Weedy Scorpionfish, Rhinopias frondosa.
    2679-D.jpg
  • Royal Angelfish (Pygoplites diacanthus), colour morph from the Maldives.
    2477.jpg
  • Sohal of orbicular batfishes (Platax orbicularis) reaching the surface in the Coral Sea.
    2042.jpg
  • Blackspotted puffer (Arothron nigropunctatus) from Kuredu Island, the Maldives.
    2191.jpg
  • Giant Morey Eel (Gymnothorax javanicus) cfrom Kurumba Island, the Maldives.
    2063.jpg
  • Pair of the Giant Morey Eel (Gymnothorax javanicus) that can reach 2.5 meters in length.  Photo from Great Barrier Reef, Australia.
    2012.jpg
  • Regal Angelfish (Pygoplites diacanthus) from Kuredu, the Maldives.
    2024.jpg
  • Spotted prawn-goby (Amblyeleotris guttata) from Kuredu, the maldives.
    2226.jpg
  • Harlequin filefish (Oxymonacanthus longirostris) from Kuredu., the Maldives. Do note the small cleaner fish (Labroides) seeking parasites on the filefish.
    2190.jpg
  • Close up of a dwarf lionfish (Dendrochirus sp.) from Bunaken, North Sulawesi, Indonesia.
    2010.jpg
  • Group of soilderfishes (Myripristis vittatus) in a cave at 15 meters depth in the Maldives.
    2207.jpg
  • Swimming with Bigeye Trevally (Caranx sexfasciatus) from Watanabe Bommie, The Coral Sea.
    2014.jpg
  • A hybrid of several Middle American cichlide species knowwn in China as "Flower Horn". Photo from gold Fish Marked, Hong Kong.
    35417-D.jpg
  • A hybrid of several Middle American cichlide species knowwn in China as "Flower Horn". Photo from Goldfish Market, Hong Kong.
    35416-D.jpg
  • Buying fish at Tomohon extreme market, north Sulawesi, Indonesia.
    21034-D.jpg
  • Clown Triggerfish, Balistoides conspicillum.
    2440.jpg
  • Sohal of Redtooth Triggerfish, Odonus niger, feeding on plancton off the reef edge in a reef in the Maldives.
    2510.jpg
  • Queen Triggerfish, Balistes vetula.
    2773-D.jpg
  • Sixline wrasse (Pseudocheilinus hexataenia)
    35068-DA.jpg
  • Indian Ocean Sailfin Tang, Zebrasoma desjardinii.
    35089-D.jpg
  • Red Velvet Wrasse, Cirrhilabrus rubrisquamis.
    35117-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35154-D.jpg
  • Pacific Sailfin Tang, Zebrasoma veliferum.
    35400-D.jpg
  • Scopas Tang, Zebrasoma scopas.
    35163-D.jpg
  • Orange-spotted Surgeonfish, Acanthurus olivaceus.
    35169-D.jpg
  • Palette Surgeonfish, Paracanthurus hepatus.
    35171-D.jpg
  • Bignose unicornfish, Naso vlamingi.
    35340-D.jpg
  • Pair of Sixplate sawtail, Prionurus microlepidotus (juveniles).
    35343-D.jpg
  • Black-Spot Surgeonfish, Acanthurus bariene.
    35369-D.jpg
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Alf J. Nilsen Natural History images

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