Taxonomy of Finfish (1+2)

Identification of sharks families

Visit nearby fish landing centre or a fish market.

Collect sharks based on the following characters.

• Body cylindrical, elongated, or moderately depressed
• Lateral gill openings (or gill slits)
• 5 gill openings on each side of the head, rarely 6or 7
• Pectoral fins not fused to the sides of the head over the gill openings
• Mouth is usually ventral on the head,
• Placoid scales present
• Identify the families based on the characters described below.
• Draw a neat diagram.