The shape of sagitta otoliths was used to compare individuals little tunny (Euthynnus alleteratus) harvested on board commercial fishing vessels from the coastal areas along Eastern Atlantic, including Mediterranean Sea. Fish sampling and selection designed cover possible seasonal changes tuna size. research encompassed both morphometric analyses left sagittal extracted 504 fish specimens. Four...

Abstract The challenges fish face in intraspecific communication has resulted adaptation different parts of their sensory system, including the auditory system. Evidence suggests that capability is specific for each species. otolith a part system teleost fish, and plays an important role maintaining balance hearing. According to previous research, morphological variation otoliths result synergy...