Covariance measures the linear relationship between two variables. The covariance is similar to the correlation between two variables, however, they differ in the following ways: Correlation coefficients are standardized. Thus, a perfect linear relationship results in a coefficient of 1. The correlation measures both the strength and direction of the linear relationship between two variables.
The Largest True Goldfish Ever Caught. The largest true goldfish on record was measured at 5lbs (2.27 kilograms) and was caught by a 16 year old schoolboy in the UK. This blown-up goldfish was evidently a pet before it ended up into a lake.
This article is about the ocean sunfish, Mola mola. For other fishes known as sunfish, see Sunfish (disambiguation) . The ocean sunfish or common mola, Mola mola, is the heaviest known bony fish in the world. It has an average adult weight between 247 and 1,000 kg (545â2,205 lb).The species is native to tropical and temperate waters around the globe. It resembles a fish head with a tail, and its main body is flattened laterally. member of the order Tetraodontiformes, which also includes pufferfish, porcupinefish, and filefish, the sunfish shares many traits common to members of this order. The ocean sunfish, Mola mola, is the type species of the genus.