SIBER package niche overlap (How plot diferent colored elipses?)

Im using the SIBER package to do some elipses >10. But when I plot the elipses they were in pairs of different colors. But I need each ellipse with a specific color

Can anyone help me with this. New boy learning this language.

Data:

iso1 iso2 group community
-18,74823119 7,330071343 Caranx latus Carangidae
-19,84957584 8,385609735 Caranx latus Carangidae
-19,86566855 7,938724707 Caranx latus Carangidae
-21,69923138 10,22875771 Caranx latus Carangidae
-17,89833509 6,434279182 Caranx latus Carangidae
-26,22329369 13,55410807 Catathyridium garmani Achiridae
-23,14254605 14,64604434 Catathyridium garmani Achiridae
-22,11864756 14,7461385 Catathyridium garmani Achiridae
-21,91849451 14,83106687 Catathyridium garmani Achiridae
-26,2554791 12,91107893 Catathyridium garmani Achiridae
-20,94866061 15,52053981 Cathorops spixii Ariidae
-21,47791141 15,02012858 Cathorops spixii Ariidae
-21,9935178 15,64716222 Cathorops spixii Ariidae
-21,06994874 15,52497319 Cathorops spixii Ariidae
-21,96266257 15,59570243 Cathorops spixii Ariidae
-19,70166134 15,33772074 Genidens barbus Ariidae
-20,18635667 15,29263106 Genidens barbus Ariidae
-18,92658171 14,81804284 Genidens barbus Ariidae
-20,1045399 14,77238951 Genidens barbus Ariidae
-19,12214471 13,85905351 Genidens barbus Ariidae
-20,3740511 15,41208225 Genidens barbus Ariidae
-19,5029323 14,21457511 Genidens barbus Ariidae
-19,71413908 15,27265457 Genidens barbus Ariidae
-19,74946894 15,31574554 Genidens barbus Ariidae
-19,77347371 15,2194045 Genidens barbus Ariidae
-22,26765003 15,26054351 Genidens genidens Ariidae
-24,8745232 15,26780572 Genidens genidens Ariidae
-23,46383349 15,78120776 Genidens genidens Ariidae
-21,38762667 15,7156501 Genidens genidens Ariidae
-21,19215704 15,53594675 Genidens genidens Ariidae
-21,10414657 15,82966303 Genidens genidens Ariidae
-21,52168974 15,91229042 Genidens genidens Ariidae
-21,17882044 16,12310947 Genidens genidens Ariidae
-21,717571 15,92562424 Genidens genidens Ariidae
-21,46329959 15,8732632 Genidens genidens Ariidae
-17,09982287 13,54393477 Lycengraulis grossidens Engraulidae
-19,00267918 13,82821243 Lycengraulis grossidens Engraulidae
-17,06770715 13,41580506 Lycengraulis grossidens Engraulidae
-18,76783299 13,66221335 Lycengraulis grossidens Engraulidae
-18,15562711 13,6367539 Lycengraulis grossidens Engraulidae
-22,34070666 15,04937825 Pachyurus adspersus Sciaenidae
-23,3653988 14,72192722 Pachyurus adspersus Sciaenidae
-23,73774041 15,03114198 Pachyurus adspersus Sciaenidae
-23,13456708 14,7520547 Pachyurus adspersus Sciaenidae
-23,17571534 14,9727181 Pachyurus adspersus Sciaenidae
-24,17734178 14,1742347 Pimelodus maculatus Pimelodidae
-25,47911103 16,98442459 Pimelodus maculatus Pimelodidae
-23,16787252 13,97762282 Pimelodus maculatus Pimelodidae
-24,65384472 15,76878059 Pimelodus maculatus Pimelodidae
-26,6624879 16,58489149 Pimelodus maculatus Pimelodidae
-21,95675046 12,53260562 Pimelodus maculatus Pimelodidae
-21,82457399 13,05883052 Pimelodus maculatus Pimelodidae
-26,22098211 16,81043528 Pimelodus maculatus Pimelodidae
-23,75742051 13,44811832 Pimelodus maculatus Pimelodidae
-25,16898818 16,76031696 Pimelodus maculatus Pimelodidae
-25,60809085 13,75156299 Stellifer brasiliensis Sciaenidae
-25,27917434 14,98489368 Stellifer brasiliensis Sciaenidae
-24,50197523 15,68604066 Stellifer brasiliensis Sciaenidae
-26,79450352 14,00753729 Stellifer brasiliensis Sciaenidae
-24,54678288 15,32585548 Stellifer brasiliensis Sciaenidae
-24,26456485 13,87221473 Trinectes microphthalmus Achiridae
-23,49151044 14,06984457 Trinectes microphthalmus Achiridae
-22,77958079 14,12502042 Trinectes microphthalmus Achiridae
-23,33097956 14,07486056 Trinectes microphthalmus Achiridae
-22,95972669 13,28534436 Trinectes microphthalmus Achiridae
-24,89155704 14,48015223 Trinectes microphthalmus Achiridae
-26,45511755 14,61959664 Trinectes microphthalmus Achiridae
-23,86756767 13,65351774 Trinectes microphthalmus Achiridae
-25,34693232 14,17919307 Trinectes microphthalmus Achiridae
-22,89111018 12,71552835 Trinectes paulistanus Achiridae
-23,82539638 14,01767832 Trinectes paulistanus Achiridae
-22,25932799 14,34973659 Trinectes paulistanus Achiridae
-21,75217188 13,76085984 Trinectes paulistanus Achiridae
-23,02702709 14,53131529 Trinectes paulistanus Achiridae
-22,836747 14,2032698 Trinectes paulistanus Achiridae
-21,68109961 14,03974866 Trinectes paulistanus Achiridae
-20,96476608 14,30158313 Trinectes paulistanus Achiridae
-21,77218334 13,54316604 Trinectes paulistanus Achiridae

mynewdata<‐createSiberObject(mydata)
community.hulls.args<‐list(col=1,lty=1,lwd=1)
group.ellipses.args <‐list(n=100,p.interval=0.40,lty=1,lwd=2)
group.hull.args <‐list(lty=2,col="grey20")

par(mfrow=c(1,1))
plotSiberObject(mynewdata,
ax.pad=2,
hulls=F,community.hulls.args,
ellipses=T,group.ellipses.args,
group.hulls=F,group.hull.args,
bty="L",
iso.order=c(1,2),
xlab=expression({delta}^13C~'\u2030'),
ylab=expression({delta}^15
N~'\u2030')
)

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