Cineal beag tuinnin a bhionn forleathan i bhfarraigi tropaiceacha is measartha gar go leor don chosta is ea an boinioto aigeanach . [1] Bionn se fluirseach go haitiuil, an-tabhachtach in iascaireachtai trachtala tuinnin is iascaireacht spoirt. Suas le 1 m ar fhad, an taobh uachtarach gorm, na taobhanna airgeadach le fadbhandai dorcha. [2]