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  • Untouched reef at 10 meters depth at Furanafushi, Male Atoll, the Maldives back in 1980. The fishes are bluestripe snappers (Lutjanus kasmira).
    18502.jpg
  • Blood parrot cichlids and other fishes on display at Goldfish Market, Hong Kong.
    46049-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.
    35111-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
  • 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
  • Goldfish and other aquarium fish ready for sale in plastic bags at Goldfish Market, Tung Choi Street, Hong Kong, China.
    46053-D.jpg
  • Goldfish and other aquarium fish ready for sale in plastic bags at Goldfish Market, Tung Choi Street, Hong Kong, China.
    46050-D.jpg
  • Goldfish and other aquarium fish ready for sale in plastic bags at Goldfish Market, Tung Choi Street, Hong Kong, China.
    46054-D.jpg
  • Great diversity of stony corals (mostly Acropora spp) and fish at Ribbon Reef no. 3 ("Fish Market"), Great Barrier Reef, Ausdtralia,.
    18053.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
  • Napoleon Fish, the big wrasse, Cheilinus undulatus.
    2063-D.jpg
  • Sohal of yellowfin goatfishes (Mulloidichthys vanicolensis) and dense growth of stony corals at Ribbon Reef no. 3 "Fish Market", the Great Barrier Reef ,Australia.
    18524.jpg
  • Harlequin filefish (Oxymonacanthus longirostris) from Kuredu., the Maldives. Do note the small cleaner fish (Labroides) seeking parasites on the filefish.
    2190.jpg
  • Aquarium shop with aquarium fish in plastic bags ready for sale at Goldfish Market, Tung Choi Street, Hong Kong, China.
    46052-D.jpg
  • Discus fish (Symphysodon aequifasciatus).
    2909-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35411-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35154-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii.
    35158-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    2768-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35003-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii.
    35157-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35004-D.jpg
  • Sohal Surgeonfish, Acanthurus sohal.
    35144-D.jpg
  • Copperband Butterflyfish (Chelmon rostratus) from Hook Island, Whitsunday Islands, Great Barrier Reef
    2058.jpg
  • Maroon Clownfish, Premnas biaculeatus.
    35155-D.jpg
  • Maroon Clownfish, Premnas biaculeatus.
    35166-D.jpg
  • Achilles Surgeonfish (Acanthurus achilles) feeding on algae in an aquarium.
    35383-D.jpg
  • Warty Anglerfish (Antennarius maculatus)
    2694.jpg
  • Spotfin frogfish, (Antennarius nummifer).
    2660.jpg
  • Emperor Angelfish, Pomacanthus imperator.
    35403-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
  • Emperor Angelfish, Pomacanthus imperator.
    35401-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.
    2825-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
  • Goldsinny-wrasse, Ctenolabrus rupestris.
    35295-D.jpg
  • Perculaa Clownfish, Amphiprion percula.
    35041-D.jpg
  • Black-backed Butterflyfish, Chaetodon melannotus.
    35347-D.jpg
  • White-freckled Surgeonfish, Acanthurus maculiceps.
    35126-D.jpg
  • Orange-spotted Surgeonfish, Acanthurus olivaceus.
    35169-D.jpg
  • Palette Surgeonfish, Paracanthurus hepatus.
    35171-D.jpg
  • Cuckoo Wrasse, Labrus bimaculatus, male.
    35298-D.jpg
  • Corkwing Wrasse, Symphodus melops.
    35320-D.jpg
  • Longnose Hawkfish, Oxycirrhites typus.
    2020-D.jpg
  • Pixy Hawkfish, Cirrhitichthys oxycephalus.
    35209-D.jpg
  • Sohal of Damselfishes (Blue Chromis, Chromis sp.) gathering around a branching coral (Acropora sp.).
    18377A.jpg
  • Breeding pair of Percula clownfish, Amphiprion percula.
    35252-D.jpg
  • Redback Tilefish, Hoplolatilus marcosi.
    2628.jpg
  • Palette Surgeonfish, Paracanthurus hepatus.
    35098-D.jpg
  • Orange-spotted Surgeonfish, Acanthurus olivaceus.
    35162-D.jpg
  • Chalk Bass, Serranus tortugarum.
    35078-D.jpg
  • Cod, Gadus morhua, from Norway
    35109-D.jpg
  • Cuckoo Wrasse, Labrus bimaculatus, male.
    35106-D.jpg
  • Longnose Hawkfish, Oxycirrhites typus.
    2255-D.jpg
  • Blue Tang, Acanthurus coeruleus.
    35165-D.jpg
  • Blue-headed Tilefish, Hoplolatilus starcki.
    35222-D.jpg
  • Breeding pair of Percula clownfish, Amphiprion percula.
    35253-D.jpg
  • Percula clownfish, Amphiprion percula.
    35254-D.jpg
  • Pearl Gourami, Trichogaster leeri, male
    2537-D.jpg
  • Copperband Butterflyfish, Chelmon rostratus, aiming for an Aiptasia anemone on which it feeds.
    2984.jpg
  • Copperband Butterflyfish, Chelmon rostratus.
    5632-D.jpg
  • Yellow Longnose Butterflyfish, Forcipiger flavissimus.
    35247-D.jpg
  • Copperband Butterflyfish, Chelmon rostratus.
    35250-D.jpg
  • Copperband Butterflyfish, Chelmon rostratus.
    35249-D.jpg
  • Wimpelfish, Heniochus diphreutes.
    2123-D.jpg
  • Yellow Longnose Butterflyfish, Forcipiger flavissimus.
    35248-D.jpg
  • Sohal of Herring (Clupea harengus)
    2792-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2794-D.jpg
  • Wolf-fish (Anarhichas lupus)
    2793-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii
    2177-D.jpg
  • Pair of Clark's Anemonefish, Amphiprion clarkii, in the host-sea anemone Entacmaea quadricolor.
    2817-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii
    2822-D.jpg
  • Ocellaris Clownfishes (Amphiprion ocellaris) among the tentacles of the host-sea anemone Heteractis crispa in a coral reef in southern Thailand.
    2941.jpg
  • Aquarium-raised Percula Clownfishes (Amphiprion percula).
    35035-D.jpg
  • Lord Howe Clownfish  (or McCulloch's Clownfish), Amphiprion mccullochi, from Lord Howe Island.
    35069.jpg
  • Clark's Anemonefish, Amphiprion clarkii, in the host-sea anemone Entacmaea quadricolor.
    35142-D.jpg
  • Sabbleback Clownfishesd (Amphiprion polymnus) and Three-spotted Dascyllus (Dascyllus trimaculatus) in association with the host-sea anemone (Stichodactyla haddoni) in a sea-grass bed at Cabilao, the Philippines.
    35591.jpg
  • Barrier Reef Clownfish (Amphiprion akindynos) from Flinders reefs, the Coral Sea.
    2497.jpg
  • Ocellaris Clownfish (Amphiprion ocellaris) among the tentacles of a host-sea anemone (Entacmaea quadricolor).
    2557-D.jpg
  • Juvenile Ocellaris Clownfish (Amphiprion ocellaris) raised in captivity.
    35033-D.jpg
  • Perculaa Clownfish, Amphiprion percula.
    35039-D.jpg
  • "Nemo" or Clownfish (Amphiprion ocellaris) among the tentacles of a host-sea anemone (Heteractis crispa).
    35099-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii, in the host-sea anemone Entacmaea quadricolor.
    35141-D.jpg
  • An Ocellaris Clownfish (Amphiprion ocellaris) guards the hatching eggs carefully.
    2719-D.jpg
  • Pair of Clark's Anemonefish, Amphiprion clarkii, in the host-sea anemone Entacmaea quadricolor.
    2826-D.jpg
  • Percula Clownfish, Amphiprion percula.
    35042-D.jpg
  • Clark's Anemonefish, Amphiprion clarkii, in the host-sea anemone Entacmaea quadricolor.
    35143-D.jpg
  • Red Lionfish, Pterois volitans.
    2093-D.jpg
  • A spectacular pair of purple-colored Weedy Scorpionfish, (Rhinopias frondosa).
    2689.jpg
  • A spectacular pair of purple-colored Weedy Scorpionfish, (Rhinopias frondosa).
    2670.jpg
  • Clearfin Lionfish, Pterois radiata, from the Red Sea.
    35128-D.jpg
  • Clearfin Lionfish, Pterois radiata, from the Red Sea.
    35129-D.jpg
  • Clearfin Lionfish, Pterois radiata, from the Red Sea.
    35130-D.jpg
  • Malawi cicklid from the Mbuna group (Metriaclima zebra) dominant male.
    35055-D.jpg
  • Yasha Hase Shrimp Goby, Stonogobiops yasha.
    35026-D.jpg
  • Spotted lionfishes (Pterois antennata) from the Maldives.
    2809.jpg
  • Red Lionfish (Pterois volitans). Photo from the Maldives.
    2953.jpg
  • Spotted lionfishes (Pterois antennata) resting in a small cave at Kurumba Island, the Maldives.
    2490.jpg
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Alf J. Nilsen Natural History images

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