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Fish chromatophores
https://australian.museum/learn/animals/fishes/fish-chromatophores/Chromatophores are pigment containing cells found in many animals. In fishes they occur in the scales and the dermal layer of the skin .
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Do fish smell?
https://australian.museum/learn/animals/fishes/do-fish-smell/Well ok, what we really mean is 'Do fishes have a sense of smell?'
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Fish Gonads
https://australian.museum/learn/animals/fishes/fish-gonads/The gonads are the organs that produce sex cells.
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A Tale of Climbing Galaxias
https://australian.museum/about/history/stories/a-tale-of-climbing-galaxias/Over a three-day period in late January 1993, Ranger Ian McArtney observed thousands of Galaxias (probably Mountain Galaxias) climbing the wall of Winburndale Dam, near Bathurst, New South Wales.
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Which species of fish has the shortest lifespan?
https://australian.museum/learn/animals/fishes/fish-shortest-lifespan/The Sign Eviota, Eviota sigillata, a tiny coral reef fish, completes its entire life cycle within an eight week period. This species has the shortest lifespan of any vertebrate.
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Fish FAQ - Are sea slugs goby hosts?
https://australian.museum/learn/animals/fishes/are-sea-slugs-goby-hosts/John Weinberg sent this image to Dr Bill Rudman at the Sea Slug Forum. The image shows the nudibranch, Ceratosoma trilobatum. John's sharp eyes saw not only the commensal shrimp, Periclimenes imperator, on the nudibranch but also the fish to the right of the shrimp.
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Do fishes Sleep?
https://australian.museum/learn/animals/fishes/do-fishes-sleep/This is a complex question. Deciding if a fish is asleep depends on many factors, one of which is the definition of sleep.
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Do Fishes feel pain?
https://australian.museum/learn/animals/fishes/do-fishes-feel-pain/The question of whether fishes feel pain can elicit very emotional responses from people.
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Why are they called triggerfishes?
https://australian.museum/learn/animals/fishes/why-are-they-called-triggerfishes/Triggerfishes (Balistidae) and leatherjackets (Monacanthidae) have a first dorsal fin spine that can be locked into an erect position.
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Can Fishes Hear?
https://australian.museum/learn/animals/fishes/can-fishes-hear/Yes, fishes can hear, but hearing abilities vary among species.
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