WBCHSE HS Fisheries Practice Questions - West Bengal Higher Secondary Examination In Fisheries And Aquaculture Exam

In heterocercal fins, the vertebral column extends into the larger upper lobe. In heterocercal fins, both upper and lower lobes are symmetrical internally and externally. In heterocercal fins, the vertebral column terminates abruptly before reaching the caudal fin. In heterocercal fins, the lower lobe is significantly larger than the upper lobe without vertebral extension.