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Horseshoe crab
The horseshoe crab (Limulus polyphemus) is an arthropod that is more closely related to spiders than crabs. Horseshoe crabs possess the rare ability to regrow limbs lost. Limulus has been extensively ... > more -
Animal cognition
Animal cognition, or cognitive ethology, is the title given to a modern approach to the mental capacities of non human animals. It has developed out of comparative psychology, but has also been ... > more -
Endangered species
An endangered species is a population of an organism (usually a taxonomic species), which because it is either few in number or threatened by changing environmental or predation parameters, leaving ... > more -
Deep sea fish
Deep sea fish is a term for fish that live below the photic zone of the ocean. Examples include the lanternfish, flashlight fish, cookie-cutter shark, bristlemouths, and anglerfish. The fish of the ... > more -
Antarctic krill
The Antarctic krill is a species of krill found in the Antarctic waters of the Southern Ocean. Antarctic krill are shrimp-like invertebrates that live in large schools, called swarms, sometimes ... > more
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