Porpoises

Question 1

what grouping do porpoises belong to

Answer 1

cetaceans and toothed whales (odontocetes)

Question 2

how many species of porpoise are known

Answer 2

7 species

Question 3

list the 7 species of porpoise

Answer 3

harbour, vaquita, burmeister’s, spectacled, indo-pacific finless, narrow-ridged finless, dall’s,

Question 4

what is the most endangered cetacean in the world

Answer 4

vaquita porpoise

Question 5

where are vaquita located

Answer 5

off the coast of Baja California, Mexico

Question 6

what is the smallest porpoise species

Answer 6

vaquita

Question 7

what is the largest porpoise species

Answer 7

dall’s porpoise

Question 8

what is the general size of porpoises

Answer 8

less than 8 feet

Question 9

locations of porpoise populations

Answer 9

coastal, offshore, some river habitats

Question 10

describe the head shape of porpoises

Answer 10

blunt heads with no distinctive beaks

Question 11

describe the dorsal fins of porpoises

Answer 11

small, triangular dorsal fins excluding the two finless porpoise species

Question 12

describe the teeth of porpoises

Answer 12

small, spade-shaped (flat)

Question 13

describe social habits of porpoises

Answer 13

smaller social groups, shy, generally not interactive with humans

Question 14

average lifespan of porpoise

Answer 14

20 years

Question 15

when do porpoises reach maturity

Answer 15

between 3-8 years