The human flea normally attacks man, but may be found on a number of other animals.

Several other characteristics, mostly associated with improved locomotion and feeding, also mark the ascendancy of teleosts above the ctenosquamate level of development.

In order to detect ophthalmologic diseases, each subject underwent a series of ophthalmologic tests before 48-hour IOP curve measurement in both eyes, including best-corrected visual acuity, slit-lamp examination, Goldmann applanation tonometry, central corneal thickness (CCT), gonioscopy, ophthalmofundoscopy and visual field test.

Jason is only 15 and his girlfriend is 23, he's quite a cub.