Fish ID

Family Carcharhinidae, REQUIEM SHARKS
Description: long and flattened snout; white trailing edge of pectoral; black-edged dorsal and caudal fins, especially when young; may have small whitish spots on sides; furrows in lips at the corners of the mouth; outer margin of teeth notched; second dorsal fin originates over middle of anal fin; brown to olivegray in [...]

Family Lamnidae, MACKEREL SHARKS
Description: lunate tail with similarly sized lobes; lateral keel at the base of the tail; deep blue back and white underside; underside of sharply pointed snout white; origin of first dorsal entirely behind base of pectoral fins; second dorsal fin slightly in front of anal fin; slender, recurved teeth with smooth edges.
Similar [...]