@article{PAR00004053, title = {{T}urbellarian black spot disease in bluespine unicornfish {N}aso unicornis in {N}ew {C}aledonia, caused by the parasitic turbellarian {P}iscinquilinus sp.}, author = {{J}ustine, {J}ean-{L}ou and {L}eblanc, {P}. and {K}eller, {F}. and {L}ester, {R}.{J}.{G}.}, editor = {}, language = {{ENG}}, abstract = {{T}urbellarian black spot disease is described in a bluespine unicornfish {N}aso unicornis ({P}erciformes, {A}canthuridae) collected from the wild off {N}oumea, {N}ew {C}aledonia, {S}outh {P}acific. {E}ach cyst contained a whitish worm, 2 to 4 mm in length, which was able to swim freely in seawater. {C}yst walls consisted of fibrous tissue with a scattering of melanocytes. {W}orms had 2 eyespots at the anterior end, a pharynx at the posterior end and a largely undeveloped reproductive system. {T}hey were identified as {P}iscinquilinus sp, (= {I}chthyophaga sp.), a genostomatid turbellarian. {T}he disease spread within 2 wk from a single infected fish to 3 other unicornfish in the same tank, in spite of copper sulphate and diluted seawater treatment; however, other fish from several families kept in the same tank were not infected, suggesting specificity of these parasites. {P}raziquantel injections into the infected fish eliminated the infection. {O}ther cases of turbellarian infections are reported from 7 fish species off {N}ew {C}aledonia; prevalence is very low (0.3%).}, keywords = {{POISSON} {MARIN} ; {PARASITOSE} ; {INVERTEBRE} {AQUATIQUE} ; {DESCRIPTION} ; {NOUVELLE} {CALEDONIE} ; {B}lack spot disease ; {F}ish ; {N}aso unicornis ; {T}urbellaria ; {N}ew {C}aledonia ; {P}iscinquilinus ; {I}chthyophaga}, booktitle = {}, journal = {{D}iseases of {A}quatic {O}rganisms}, volume = {85}, numero = {3}, pages = {245--249}, ISSN = {0177-5103}, year = {2009}, URL = {https://www.documentation.ird.fr/hor/{PAR}00004053}, }