arthropod
arthropoda
arthropods
big eyes
biology
brachyura
brown
colorful
colors
crab
crustacea
crustacean
decapoda
ecology
ethology
eyes
fluviatile potamon
freshwater crab
green
humid
hunter
lake
malacostraca
natural
natures
orange
pond
potamidae
predator
river
stream
torrent
wet
wilderness
wildlife
zoology