The Ocean Collection
Every creature and place in Blue, in one spot. Tap an icon for a quick fact, then practice its questions. Log in to see green ticks for what you have answered.
Anglerfish
Cause or Coincidence?
Blue Whale
Claim CheckEstimate It
Coral Reefs
Cause or Coincidence?Claim Check
Coral Triangle
MagnitudeEstimate It
Dugong
Claim CheckEstimate It
Ganges River Dolphin
Cause or Coincidence?Claim Check
Giant Squid
How Do We Know?Cause or Coincidence?Estimate It
Horseshoe Crab
How Do We Know?
Humboldt Current
Cause or Coincidence?Estimate It
Leatherback Turtle
How Would You Test It?MagnitudeEstimate It
Mangroves
How Would You Test It?
Ocean Depth
MagnitudeEstimate It
Ocean Exploration
MagnitudeHow Would You Test It?
Ocean Life
How Do We Know?
Octopus
Observed or Inferred?
Olive Ridley Turtles
How Would You Test It?How Do We Know?
Phytoplankton
Claim Check
Seahorses
Observed or Inferred?Estimate It
Sperm Whale
Observed or Inferred?Estimate It
Sundarbans Mangroves
Cause or Coincidence?Observed or Inferred?Estimate It
Tides
Cause or Coincidence?
Whale Shark
MagnitudeEstimate It