Osteocranium of the Sailfish (Istiophorus platypterus, Shaw & Nodder, 1792) from Malacca Strait

The features and morphometrics of the sailfish's osteocranium are examined in this study (Istiophorus platypterus, Shaw & Nodder, 1792). I. platypterus has a total weight ±20 kg with length ±218 cm. stages research process included preparing samples, osteocraniums, documenting photos, editing images, identifying terminology related to osteocraniums. Laboratory Mathematics Natural Sciences at Almuslim University handled every aspect research. preparation was carried out physically chemically. Each bone documented using camera edited Adobe Photoshop CS6. neurocranium is divided into four components: olfactory (ethmoidal), which comprises 6 bones. orbitale 4 bones, otic 5, occipital branchiocranium five oromandibular structure consisting 3 mandibular arc (suspensorium) composed opercular apparatus hyoid branchial