The Leptodoras oyakawai lives in the demersal, freshwater environment.
Leptodoras oyakawai can be distinguished from congeners in having a moderately-sized gas bladder with simple walls (diverticula absent), and paired bony capsules on anteriormost vertebrae reduced to paired cup-like laminar ossifications separated by a triangular septum. More
Leptodoras oyakawai is a member of the genus Leptodoras by having a modified oral hood (see Fig. More