ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Chaceus ibiricensis | VU | |
| Chacodelphys formosa | VU | |
| Chaenogaleus macrostoma | Hooktooth Shark | VU |
| Chaenopsis schmitti | Yellow-mouth pikeblenny | VU |
| Chaetodipus dalquesti | Dalquest's Pocket Mouse | VU |
| Chaetodontoplus vanderloosi | EN | |
| Chaetomys subspinosus | Thin-spined Porcupine | VU |
| Chaetoptila angustipluma | Kioea | EX |
| Chalcides ebneri | Ebner's Skink | CR |
| Chalcides manueli | Manuel's Skink | VU |
| Chalepoxenus kutteri | VU | |
| Chalepoxenus spinosus | VU | |
| Chalepoxenus tarbinskii | VU | |
| Chalepoxenus tauricus | VU | |
| Chalepoxenus tramieri | VU | |
| Chalepoxenus zabelini | VU | |
| Chalinolobus neocaledonicus | New Caledonia wattled bat | EN |
| Chamaecrista bucherae | VU | |
| Chamaemeles coriacea | VU | |
| Chamaesyce atrococca | VU | |
| Chamaesyce eleanoriae | CR | |
| Chamaesyce halemanui | Akoko | CR |
| Chamaesyce kuwaleana | Akoko | EN |
| Chamaesyce remyi | CR | |
| Chamaesyce sachetiana | VU | |
| Chamaesyce sparsiflora | VU | |
| Chambardia letourneuxi | EX | |
| Chambardia nyassaensis | VU | |
| Championella sarcorrhiza | CR | |
| Characodon garmani | Parras Characodon | EX |
| Characodon lateralis | Rainbow Goodeid | EN |
| Charadrahyla altipotens | CR | |
| Charadrahyla chaneque | EN | |
| Charadrahyla trux | CR | |
| Charmosyna amabilis | Red-throated Lorikeet | CR |
| Charmosyna diadema | New Caledonian Lorikeet | CR |
| Charmosyna palmarum | Palm Lorikeet | VU |
| Charmosyna toxopei | Blue-fronted Lorikeet | CR |
| Chasiempis ibidis | Oahu Elepaio | EN |
| Chasmistes brevirostris | Shortnose Sucker | EN |
| Chasmistes cujus | Cui-ui | CR |
| Chasmistes muriei | Snake River Sucker | EX |
| Chassalia laikomensis | CR | |
| Cheirodendron dominii | Domin's Club | EN |
| Cheirodendron forbesii | VU | |
| Cheirolophus duranii | CR | |
| Cheirolophus falcisectus | EN | |
| Cheirolophus ghomerythus | EN | |
| Cheirolophus junonianus | EN | |
| Cheirolophus massonianus | EN |