SCOLIODON (DOGFISH)
Scoliodon has great educational and experimental value because of its availability and size and is a favourite dissection fish for undergraduate students.
Balanoglossus
Balanoglossus Acorn worms in the genus Balanoglossus are members of the class Enteropneusta and phylum Hemichordata. These marine worms inhabit shallow coastal habitats, where they burrow into muddy or sandy soils and consume organic debris. Balanoglossus aids in understanding the evolutionary relationship between hemichordates and the earliest chordates since they exhibit a distinct segmentation of