Animal cells are similar to plant cells in that they are both eukaryotic cells and have similar organelles. Animal cells are generally smaller than plant cells. While animal cells come in various sizes and tend to have irregular shapes, plant cells are more similar in size and are typically rectangular or cube shaped.
It's by far the biggest and most complete Leedsichthys ever found, which makes it the biggest fish ever found, said Mike Barker, head of paleobiology at Portsmouth University. Equipped with massive, teeth-lined gills, experts say the creature was probably one the first giant planktivores.
The ocean sunfish or common mola is the heaviest known bony fish in the world. Adults typically weigh between 247 and 1,000 kg. 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. Sunfish can be as tall as they are long when their dorsal and ventral fins are extended. Sunfish live on a diet consisting mainly of sea jellies, but because this diet is nutritionally poor, they consume large amounts t