Defense
At the base of their pectoral and dorsal fins are spines, which they can use as spurs to cut predators.
Read more about this topic: Black Bullhead
Famous quotes containing the word defense:
“I would remind you that extremism in the defense of liberty is no vice! And let me remind you also that moderation in the pursuit of justice is no virtue!”
—Barry Goldwater (b. 1909)
“Our reliance is in the love of liberty which God has planted in our bosoms. Our defense is in the preservation of the spirit which prizes liberty as the heritage of all men, in all lands, every where.”
—Abraham Lincoln (1809–1865)
“I would remind you that extremism in the defense of liberty is no vice! And let me remind you also that moderation in the pursuit of justice is no virtue!”
—Barry Goldwater (b. 1909)