▁( Pr ion ium ▁ser rat um , ▁a ▁Th urn ia ceae ). ▁The ▁food ▁is ▁mainly ▁b enth ic ▁in verte br ates ; ▁adult s ▁are ▁also ▁known ▁to ▁take ▁other ▁ed ible ▁matter ▁that ▁dr ifts ▁by , ▁such ▁as ▁terrest rial ▁insect s ▁that ▁have ▁fallen ▁on ▁the ▁water ▁surface . ▁The ▁bre eding ▁season ▁extends ▁from ▁late ▁spring ▁to ▁early ▁summer ▁( Oct ober ▁to ▁December ). ▁E gg s ▁– ▁up ▁to ▁ 4 0 0 ▁per ▁female ▁and ▁bre eding ▁season ▁– ▁develop ▁iter op ar ously , ▁and ▁sp aw ning ▁occurs ▁after ▁a ▁batch ▁of ▁eggs ▁has ▁become ▁fully ▁developed ; ▁it ▁is ▁thus ▁repeated ▁several ▁times ▁during ▁a ▁bre eding ▁season ▁until ▁the ▁entire ▁batch ▁of ▁eggs ▁has ▁been ▁laid . ▁Sex ual ▁m atur ity ▁is ▁reached ▁at ▁two ▁years ▁of ▁age , ▁and ▁the ▁species ▁can ▁get ▁up ▁to ▁ 6 ▁years ▁old . ▁ ▁Status ▁and ▁conservation ▁This ▁species ▁is ▁considered ▁Crit ically ▁End anger ed ▁by ▁the ▁IU CN , ▁as ▁its ▁population ▁has ▁pl um met ed ▁since ▁ 1 9 8 7 ▁to ▁a ▁point ▁where ▁it ▁is ▁prec ari ously ▁close ▁to ▁ext inction . ▁Only ▁an ▁estimated ▁ 4 , 1 0 0 ▁adult s ▁remain ▁in ▁the ▁world , ▁and ▁gene ▁flow ▁between ▁sub pop ulations ▁has ▁been ▁cut ▁off . ▁The ▁main ▁threat ▁is ▁introduced ▁car n iv orous ▁fish es . ▁The ▁Cape ▁kur per ▁( S and elia ▁cap ensis