Liposarcoma in clownfish, Amphiprion ocellaris Cuvier, produced in indoor aquaculture
Clownfish, Amphiprion ocellaris Cuvier, produced and grown in an experimental indoor aquaculture facility, presented with lipomatous tumours. A total of 14 affected fish were examined. Based on the total number of fish at the aquaculture facility at the time of outbreak of this pathology, the...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
John Wiley & Sons Ltd
2025
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| Subjects: | |
| Online Access: | http://umt-ir.umt.edu.my:8080/handle/123456789/21601 |
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| Summary: | Clownfish, Amphiprion ocellaris Cuvier, produced
and grown in an experimental indoor aquaculture
facility, presented with lipomatous tumours. A
total of 14 affected fish were examined. Based on
the total number of fish at the aquaculture facility
at the time of outbreak of this pathology, the
scope of the incident is estimated to be 1 of 300
fish. The tumours were characterized by the presence
of mature adipocytes of variable sizes, lipoblasts
and by an invasive behaviour, which
affected internal organs, muscle, central nervous
system and, in one case, an eye. Detailed macroscopic
and histopathological features are presented.
The suggested diagnosis is that of a well-differentiated
liposarcoma, a diagnosis so far never applied
to fish. The limited outbreak of the neoplasm
lasted a few months in 2011 and did not recur.
Possible factors leading to this phenomenon, notably
the metastasis, are discussed. |
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