[MARMAM] New article - Skin diseases in T. aduncus

Jeremy KISZKA jeremy.kiszka at wanadoo.fr
Fri Apr 17 05:45:46 PDT 2009


Dear colleagues,

I am pleased to announce the publication of the following paper, recently published in the last issue of Diseases of Aquatic Organisms:

Lobomycosis-like disease and other skin conditions in Indo-Pacific bottlenose dolphins (Tursiops aduncus) in the Indian Ocean. 

Pdf versions are available to jeremy.kiszka at wanadoo.fr 

Please see below the abstract:


Lobomycosis is a chronic mycotic disease of the skin and subdermal tissues caused by
the yeast-like organism Lacazia loboi, which affects humans and Delphinidae. Cases of lobomycosis
and lobomycosis-like disease (LLD), a disease very similar to lobomycosis but for which a histological
diagnostic is missing, have been reported in small cetaceans from the Americas and Europe. Here we
report on LLD in Indo-Pacific bottlenose dolphins Tursiops aduncus from the tropical lagoon of Mayotte,
between Mozambique and Madagascar. From July 2004 to June 2008, boat surveys were conducted
in Mayotte waters. At least 71 adult dolphins were photo-identified. Six (5 males, 1 female)
had multiple raised, greyish nodules on the dorsal fin, head, flanks, belly, back and tailstock that suggested
LLD. The lesions were extensive in some cases. The calf of the positive female was also
affected. LLD has been present in this community since at least 1999. As sampling was not possible,
the aetiology of the disease could not be explored. The emergence of LLD in Mayotte may be related
to degradation of the coastal environment associated with rapid urbanization, expanding agriculture
and increased release of untreated freshwater runoffs. Other skin lesions included scars, healing
wounds, whitish lesions and lumps.
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