Size
10 questions tagged Size — spanning every one of the seven Ws.
Which bird is the heaviest living flying bird?
The kori bustard is generally considered the heaviest living flying bird, with large males reaching around 18 kilograms (40 pounds).
Which bird is the tallest living bird?
The ostrich is the tallest living bird, standing up to about 2.8 meters (9 feet) tall.
Which fish is the largest bony fish alive today?
The ocean sunfish, or Mola mola, is the heaviest bony fish, and adults can weigh well over 1,000 kg.
Which shark is the largest living fish?
The whale shark is the largest living fish, and the biggest individuals can reach around 18 meters in length.
Which octopus has the biggest body size of all octopuses?
The giant Pacific octopus is the largest octopus species, with a documented arm span of more than 7 meters in exceptional individuals.
Which octopus is the smallest known?
Several pygmy octopus species are tiny, but the star-sucker pygmy octopus is among the smallest, with a mantle length of only a few centimeters.
Which crab has the longest leg span?
The Japanese spider crab has the longest leg span of any arthropod, reaching up to about 3.7 meters from claw to claw.
Which crab has the largest body mass?
The coconut crab is the largest land-living arthropod by mass, with adults reaching several kilograms and a leg span of more than 1 meter.
Which sea animal is the largest in the world?
The blue whale is the largest animal ever known, and it can grow to around 30 meters long and more than 150 tonnes.
Which sea creature has the largest shell of any living animal?
The giant clam has the largest shell of any living mollusk, and the biggest individuals can weigh more than 200 kg.