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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
  • 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
  • Emperor Angelfish, Pomacanthus imperator.
    35401-D.jpg
  • Cod (Gadus morhua)
    35108-D.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
  • White-freckled Surgeonfish, Acanthurus maculiceps.
    35126-D.jpg
  • Broomtail wrasse, Cheilinus lunulatus, endemic to the Red Sea and Gulf of Aden.
    2064-D.jpg
  • Copperband Butterflyfish (Chelmon rostratus) from Hook Island, Whitsunday Islands, Great Barrier Reef
    2058.jpg
  • Emperor Angelfish, Pomacanthus imperator.
    35403-D.jpg
  • Clownfish (Amphiprion sp.) among the curled tentacles of a host-sea anemone.
    2419-D.jpg
  • A specimen of Tomato Clownfish (Amphiprion cf. frenatus) that shows atypical colors with an almost brown body and a light brown (nearly white) tail. It could theoretically be a hybrid.  Please let us know if you have any comments on this specimen.
    2815-D.jpg
  • A specimen of Tomato Clownfish (Amphiprion cf. frenatus) that shows atypical colors with an almost brown body and a light brown (nearly white) tail. It could theoretically be a hybrid.  Please let us know if you have any comments on this specimen.
    2821-D.jpg
  • A specimen of Tomato Clownfish (Amphiprion cf. frenatus) that shows atypical colors with a almost vbrown body and light brown (nearly white) tail. It could theoretically be a hybrid.  let us know if you have any comments on this specimen, please.
    2824-D.jpg
  • A specimen of Tomato Clownfish (Amphiprion cf. frenatus) that shows atypical colors with an almost brown body and a light brown (nearly white) tail. It could theoretically be a hybrid.  Please let us know if you have any comments on this specimen.
    2825-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2794-D.jpg
  • Yasha Hase Shrimp Goby, Stonogobiops yasha.
    35026-D.jpg
  • Sohal of Herring (Clupea harengus)
    2792-D.jpg
  • Yasha Hase Shrimp Goby, Stonogobiops yasha.
    35058-D.jpg
  • Malawi cicklid from the Mbuna group (Metriaclima zebra) dominant male.
    35055-D.jpg
  • Perculaa Clownfish, Amphiprion percula.
    35041-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2793-D.jpg
  • Spotfin frogfish, (Antennarius nummifer).
    2660.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.
    2465-D.jpg
  • Masked Puffer, Arothron diadematus.
    2881-D.jpg
  • Snake pipefish, Entelurus aequoreus.
    2231-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.
    2464-D.jpg
  • Spotted Seahorse, Hippocampus kuda.
    2425-D.jpg
  • Achilles Surgeonfish (Acanthurus achilles) feeding on algae in an aquarium.
    35383-D.jpg
  • Golden sweepers (Parapriacanthus ransonneti) from Kuredu Island, the Maldives.
    2802.jpg
  • A Black-spotted Puffer (Arothron nigropunctatus) is being cleaned by two Bluestreak Cleaner Wrasse (Labroides dimidiatus) in a reef in the Maldives.
    2947.jpg
  • A spectacular pair of purple-colored Weedy Scorpionfish, (Rhinopias frondosa).
    2689.jpg
  • Lunar-tailed bigeye (Priacanthus hamrur) from Kuredu Island, the Maldives.
    2064.jpg
  • Bothus sp. from shallow water at Kuredu Island, the maldives.
    2219.jpg
  • Redback Tilefish, Hoplolatilus marcosi.
    2628.jpg
  • Formosan Coris, Coris frerei.
    35218-D.jpg
  • Leafy Sea Dragon, Phycodurus eques, close up of the head.
    2016.jpg
  • Weedy Scorpionfish, Rhinopias frondosa.
    35338-D.jpg
  • Pearl Gourami, Trichogaster leeri, male
    2537-D.jpg
  • Red-tailed butterflyfishes (Chaetodon collare) from the Maldives.
    2240.jpg
  • Longfin Bannerfish, Heniochus acuminatus.
    35376-D.jpg
  • Yasha Hase Shrimp Goby, Stonogobiops yasha.
    35087-D.jpg
  • Crab-eye Goby, Signigobius bicellatus.
    2888-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii.
    35157-D.jpg
  • Emperor Angelfish, Pomacanthus imperator. Juvenile.
    35184-D.jpg
  • Coral Beuty, Centropyge bispinosus.
    35188-D.jpg
  • Majestic Angel, Pomacanthus navarchus.
    35204-D.jpg
  • Bicolor angelfish, Centropyge bicolor.
    35352-D.jpg
  • Bicolor angelfish, Centropyge bicolor.
    35351-D.jpg
  • Bicolor angelfish, Centropyge bicolor.
    35350-D.jpg
  • Bicolor angelfish, Centropyge bicolor.
    35353-D.jpg
  • Bicolor angelfish, Centropyge bicolor.
    35354-D.jpg
  • Clarion angelfish (Holacanthus clarionensis).
    35391-D.jpg
  • Regal Angelfish, Pygoplites diacanthus.
    35190-D.jpg
  • Spotted lionfishes (Pterois antennata) from the Maldives.
    2809.jpg
  • Clark's anemonefish (Amphiprion clarkii) in the host-sea anemone Heteractis magnifica. Photo from the Maldives.
    2778.jpg
  • Alfosino ((Beryx decadactylus) caught from deep water at Hidra, south-western Norway.
    2134.jpg
  • Weedy Scorpionfish, Rhinopias frondosa.
    2679-D.jpg
  • A spectacular pair of purple-colored Weedy Scorpionfish, (Rhinopias frondosa).
    2670.jpg
  • A well camouflaged, bright green Bristle-tail filefish (Acreichthys tomentosus) in a sea-grass bed at Cabilao island, the Philippines.
    2496.jpg
  • Royal Angelfish (Pygoplites diacanthus), colour morph from the Maldives.
    2477.jpg
  • Congrid eels (Heteroconger sp.?) at 10 meters depth at Kuredu Island, the Maldives.
    2227.jpg
  • Spotted prawn-goby (Amblyeleotris guttata) from Kuredu, the maldives.
    2226.jpg
  • Dwarf lionfish (Dendrochirus sp.) from Bunaken, North Sulawesi, Indonesia.
    2040.jpg
  • Bigeye Trevally (Caranx sexfasciatus) from Watanabe Bommie, The Coral Sea.
    35550.jpg
  • Solar Fairy Wrasse, Cirrhilabrus solorensis, male.
    2203.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    2768-D.jpg
  • Red Pirana, Rooseveltiella nattereri.
    2866-D.jpg
  • Indian Ocean Sailfin Tang, Zebrasoma desjardinii.
    35164-D.jpg
  • Palette Surgeonfish, Paracanthurus hepatus.
    35171-D.jpg
  • Bignose unicornfish, Naso vlamingi.
    35340-D.jpg
  • Awroana, Sceleropages sp.
    35324-D.jpg
  • Dispar Anthiase, Pseudanthias dispar. Male.
    35223-D.jpg
  • Comet or Marine Betta, Calloplesiops altivelis.
    35284-D.jpg
  • Goldsinny-wrasse, Ctenolabrus rupestris.
    35295-D.jpg
  • Whiting, Merlangius merlangus.
    35313-D.jpg
  • Uaru cichlide,  Uaru amphiacanthoides.
    35328-D.jpg
  • Pollack, Pollachius pollachius.
    35321-D.jpg
  • Saddled Butterflyfish, Chaetodon ephippium
    2117-D.jpg
  • Diadem Dottyback, Pseudochromis diadema.
    35246-D.jpg
  • Longfin Bannerfish, Heniochus acuminatus. Do note the parasite at the gill.
    35377-D.jpg
  • Longfin Bannerfish, Heniochus acuminatus.
    35379-D.jpg
  • Purple Firefish, Nemateleotris decora.
    2668-D.jpg
  • Mandarinfish (Synchiropus splendisus)
    2018-D.jpg
  • Pair of Yellow Watchman Goby (Cryptocentrus cinctus) with their commensal pistol-shrimp (Alpheus sp.).
    2637-D.jpg
  • Blue Devil, Chrysiptera cyanea.
    2178-D.jpg
  • Potter's Angelfish, Centropyge potteri.
    2033-D.jpg
  • Aquarium-raised Percula Clownfishes (Amphiprion percula).
    35035-D.jpg
  • A pair of Maldive anemonefish (Amphiprion nigripes) in the Magnificent host-sea Anemone (Heteractis magnifica)
    35035.jpg
  • Clark's Anemonefish, Amphiprion clarkii.
    35158-D.jpg
  • African pygmy angelfish, Centropyge acanthops.
    35176-D.jpg
  • Emperor Angelfish, Pomacanthus imperator. Juvenile.
    35199-D.jpg
  • Emperor Angelfish, Pomacanthus imperator. Subadult specimen about to change to adult colours.
    35202-D.jpg
  • Majestic Angel, Pomacanthus navarchus.
    35203-D.jpg
  • Emperor Angelfish, Pomacanthus imperator. Subadult specimen about to change to adult colours.
    35206-D.jpg
  • Breeding pair of Percula clownfish, Amphiprion percula.
    35252-D.jpg
  • Dusky angelfish, Centropyge multispinis.
    35348-D.jpg
  • Emperor Angelfish, Pomacanthus imperator.
    35372-D.jpg
  • Queen Angelfish, Holacanthus ciliaris.
    35366-D.jpg
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Alf J. Nilsen Natural History images

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