Hydrochus angustatus- Hydrochus brevis
- Hydrochus brevitarsis
- Hydrochus callosus
- Hydrochus crenatus
- Hydrochus currani
- Hydrochus daviniaae
- Hydrochus elongatus
- Hydrochus equicarinatus
- Hydrochus excavatus
- Hydrochus falsus
- Hydrochus flavipennis
- Hydrochus foveatus
- Hydrochus grandicollis
- Hydrochus granulatus
- Hydrochus ignicollis
- Hydrochus jaechi
- Hydrochus japonicus
- Hydrochus jiawanae
- Hydrochus megaphallus
- Hydrochus minimus
- Hydrochus neosquamifer
- Hydrochus nitidicollis
- Hydrochus nooreinus
- Hydrochus obscurus
- Hydrochus pseudosquamifer
- Hydrochus rufipes
- Hydrochus rugosus
- Hydrochus satishanandi
- Hydrochus scabratus
- Hydrochus schereri
- Hydrochus setosus
- Hydrochus simplex
- Hydrochus smaragdineus
- Hydrochus squamifer
- Hydrochus subcupreus
- Hydrochus vagus
- Hydrochus variolatus