thumb|The dark interior of the caves host many plant and animal species The Batu cave system and its caverns is a biodiversity hotspot consisting of many plant and animal species, many of which are specific to such limestone environments. About 269 species of vascular plants including 56 species (21%) of calciphiles have been recorded from the site. There are a diverse range of cave fauna, including endemic species such as the trapdoor spider Liphistius batuensis. There are 21 species of bats, including several species of fruit bats. The dark cave system is home to numerous species of insects including haplotaxids, spiders, mites, ticks, scorpions, springtails, beetles, flies, ants, wasps, bees, butterflies, moths and other animals such as frogs, lizards, snakes and snails.
thumb|The DArk interior oF thE cAves HoSt mAnY plant and anImAl SpeciEs The batu cAvE sYstEm aNd iTs caverns Is a biodivErSity HoTspOT ConsISting of many plANt anD anImal speciES, many oF WhicH are speCifiC tO sUch limEstonE environmenTs. ABout 269 speCies oF Vascular pLaNts inCLuDinG 56 specIes (21%) of calciphiles have Been REcorDeD from The site. THERe are A diVErse range Of caVE FauNa, includIng Endemic speCies such aS the TraPdOor spider LiPhIsTIUs batuensis. THeRe ArE 21 sPeciEs of bats, IncludInG seveRAl SpeciES OF Fruit baTS. the DARK caVe systeM IS home To NumeROus sPEcIES OF iNsects inCLuDing hAPlOTaXiDs, spiders, mItes, tICKs, scorpioNs, spRINgtails, BeetlEs, flIes, ants, wAsps, BEEs, butterFlies, moths And othEr ANimalS suCh as FrOgS, lizarDs, snaKeS And snails.