===Pyrus===
<gallery widths="120">
Photo on 2010-08-16 at 18.02Pyrus Alpha Hydranoid.jpg|[[Pyrus (Legacy)|Pyrus]] Alpha HydranoidFile:Alphahydra-pyrus-lyte.jpg|[[Translucent#Lyte|Lyte]] [[Pyrus (Legacy)|Pyrus]] Alpha Hydranoid
</gallery>
===Subterra===
Subterra Alpha Hydranoid.jpg|Subterra Alpha Hydranoid
Subterra Alpha Hydranoid BakuTech packaging.jpg|Subterra Alpha Hydranoid BakuTech packaging
</gallery>
===Haos===
<gallery widths="120">
</gallery>
===Darkus===
<gallery widths="120">
File:Alpha_Hydranoid.gif|[[Darkus (Legacy)|Darkus]] Alpha HydranoidFile:T1MLNWXjJwXXaqoB3_113327_jpg_310x310.jpg|[[Translucent]] Darkus Alpha Hydranoid in [[Bakugan: Mechtanium Surge]] color schemePatryk Jan Cesarz 1a Maria Moliner (7)multiple.PNGpngPatryk Jan Cesarz 6 (10)Darkus Alpha Hydranoid.jpgAh.jpgPatryk Jan Cesarz 6 (Darkus Alpha Hydranoid multiple 2).jpgPatryk Jan Cesarz 6 (1).jpgPatryk Jan Cesarz 6Darkus Alpha Hydranoid closed.jpgPatryciusz Pat Patryk Jan Cesarz (69).JPGPatryciusz Pat Patryk Jan Cesarz (68).JPGFile:Alphahydra-darkus-lyte.jpg|[[Translucent#Lyte|Lyte]] Darkus Alpha Hydranoid</gallery>Darkus Alpha Hydranoid Evolutions back.jpg|[[BakuEvolutions]] Darkus Alpha HydranoidDarkus Alpha Hydranoid Evolutions 800.jpgDarkus Alpha Hydranoid Evolutions closed.jpg===Ventus===Darkus Alpha Hydranoid Evolutions closed bottom.jpg<gallery widths="120">Darkus Alpha Hydranoid Translucent.jpg|[[BakuPhantom]] Darkus Alpha Hydranoid
</gallery>
===Related Cards===