Larval development in brachyuran crabs includes a number of zoeal stages followed by a
single megalopal stage. Zoeae and megalopae are relatively strong swimmers, and …

Malacostracan crustaceans display a large diversity of sizes, morphs and life styles.
However, only a few representatives of decapod taxa have served as models for analyzing …

Since the 1970s, the ability of some invertebrate species to recognize individual
conspecifics has attracted increased scientific interest. However, there is still confusion in …

Animals exhibit behavioural patterns characterized by responses to information received
from internal and external stimuli. The ultimate response or decision is based on physical …

In eumalacostracan brains, the sensory inputs from the various receptor systems distributed
on the head appendages can be traced to their respective neuropils. The comparison of the …

New species often invade ecosystems already dominated by previous invaders. Ornamental
freshwater crayfish, particularly parthenogenetic marbled crayfish (Procambarus virginalis) …

For their great commercial importance as a human food delicacy, crayfish are now becoming
of wider interest to molecular biologists, and also to conservationists due to the fact that in …

Growth and reproduction are competitive processes with the first being an essential
prerequisite for the second. In crayfish both of these processes continue until the animal dies …

The Norway lobster is one of the most important commercial crustaceans in Europe. A
detailed knowledge of the behaviour of this species is crucial in order to optimize fishery …

Interactions and coordination between conspecific individuals have produced a remarkable
variety of collective behaviours. This co-operation occurs in vertebrate and invertebrate …