Tripeptidis collagen piscis est unitas structuralis minimae peptidis collagen piscium.
Minima unitas structuralis et unitas collagenis operativa est tripeptidium collagen (tripertidium Collagen, quod "CTP" appellatum est), eiusque pondus hypotheticum 280D est.Tripeptide collagen piscis componitur ex 3 amino acidis, Collagen tripeptidis piscium differt a collagen macromoleculari et immediate ab intestino absorberi potest.