Hardness
154 published profiles have no hardness. The first 60 are here.
- Acestridium dichromum
- Acrossocheilus beijiangensis
- Acrossocheilus iridescens
- Acrossocheilus monticola
- Acrossocheilus parallens
- Aguarunichthys torosus
- Amblyrhynchichthys micracanthus
- Aphyosemion bivittatum
- Aphyosemion bualanum
- Aphyosemion cognatum
- Aphyosemion congicum
- Aphyosemion decorsei
- Aphyosemion erythron
- Aphyosemion hanneloreae
- Atractosteus tristoechus
- Bagarius bagarius
- Bangana devdevi
- Brachygobius aggregatus
- Brachygobius kabiliensis
- Brachygobius nunus
- Brachygobius xanthozonus
- Caelatoglanis zonatus
- Channa baramensis
- Channa maculata
- Channa stewartii
- Cichlasoma trimaculatum
- Colomesus tocantinensis
- Corydoras lacrimostigmata
- Corydoras leucomelas
- Crossocheilus burmanicus
- Crossocheilus cobitis
- Crossocheilus elegans
- Cyprinodon brontotheroides
- Cyprinodon desquamator
- Cyprinodon julimes
- Cyprinodon pachycephalus
- Cyprinodon variegatus
- Cyprinodon veronicae
- Dario urops
- Devario affinis
- Devario sp. 'purple cypris'
- Dicrossus filamentosus
- Elopichthys bambusa
- Epiplatys mesogramma
- Esomus caudiocellatus
- Garra arupi
- Garra bispinosa
- Garra borneensis
- Garra dampaensis
- Garra fuliginosa
- Garra hughi
- Garra imberba
- Garra kalpangi
- Garra mirofrontis
- Garra mullya
- Garra nambulica
- Garra notata
- Garra orientalis
- Garra poecilura
- Garra qiaojiensis