@incollection{fdi:31227, title = {{C}omparative ichthyotoxicity of shallow and deep water sponges of {N}ew {C}aledonia}, author = {{L}a {B}arre, {S}.{C}. and {L}aurent, {D}ominique and {S}ammarco, {P}.{W}. and {W}illiams, {W}.{T}. and {C}oll, {J}.{C}.}, editor = {}, language = {{ENG}}, abstract = {{A} survey of comparative ichthyotoxicity in marine sponges from shallow and deep water in the {S}outhern province of {N}ew {C}aledonia was conducted. {T}est fish #{G}ambusia affinis$ (#{V}ertebrata, {P}isces$) were exposed to aqueous macerates of 30 shallow water and 30 deep-water sponges. {M}ortality counts and behavioural changes were recorded over twelve hours, readings taken on a geometric time scale. {T}he responses exhibited by the fish ranged from rapid mortality and varying level of distress and narcotization, to effects indistinguishable from controls. {S}ponges were classified into three major toxicity groups : 100 % lethal, toxic (<100 % lethal with deleterious effects) and non-toxic (indistinguishable from controls). {T}here was little or no overlap in species composition between the shallow species. {T}he frequency of toxicity was generally equivalent between shallow and deep-water sponges. {O}bserved toxicity levels varied widely both in the deep and shallow species}, keywords = {{INVERTEBRE} {AQUATIQUE} ; {TOXICITE} ; {TEST} ; {POISSON} ; {BIOTOPE} ; {EAU} {SUPERFICIELLE} ; {ETUDE} {COMPARATIVE} ; {EPONGE} ; {EAU} {PROFONDE} ; {ICHTHYOTOXICITE} ; {NOUVELLE} {CALEDONIE}}, booktitle = {{P}roceedings of the sixth international coral reef symposium}, numero = {}, pages = {55--59}, address = {{T}ownsville}, publisher = {{I}nternational {C}oral {R}eef {S}ymposium {E}xecutive {C}ommittee}, series = {}, year = {1988}, ISBN = {0-7316-5608-3}, URL = {https://www.documentation.ird.fr/hor/fdi:31227}, }