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Crab (Pachygrapsus marmoratus) on Istrian coast, Adriatic Sea. Crabs attract a mate through chemical (pheromones), visual, acoustic, or vibratory means. Pheromones are used by most fully aquatic crabs, while terrestrial and semiterrestrial crabs often use visual signals, such as fiddler crab males waving their large claws to attract females.
Heikegani (平家蟹, ヘイケガニ, Literal meaning: Heike Crab, Heikeopsis japonica) is a species of crab native to Japan, with a shell that bears a pattern resembling a human face - an example of the phenomenon of pareidolia - which is interpreted to be the face of an angry samurai, hence the nickname samurai crab. The crabs are named ...
The Atlantic horseshoe crab (Limulus polyphemus), also known as the American horseshoe crab, is a species of horseshoe crab, a kind of marine and brackish chelicerate arthropod. [1] It is found in the Gulf of Mexico and along the Atlantic coast of North America. [1] The main area of annual migration is Delaware Bay along the South Jersey ...
Grapsus grapsus is a typically shaped crab, with five pairs of legs, the front two bearing small, blocky, symmetrical chelae (claws). The other legs are broad and flat, with only the tips touching the substrate. The crab's round, flat carapace is slightly longer than 8 centimetres (3.1 in). Young G. grapsus are black or dark brown in colour and ...
The hippocampus or hippocamp, also hippokampos (plural: hippocampi or hippocamps; Ancient Greek: ἱππόκαμπος, from ἵππος, 'horse', and κάμπος, 'sea monster' [1]), often called a sea-horse[2] in English, [citation needed] is a mythological creature shared by Phoenician, [3] Etruscan, Pictish, Roman and Greek mythology ...
Colorized facsimile [ 6 ] – hand-colored woodcut [ 7 ] The kraken (/ ˈkrɑːkən /) [ 8 ] is a legendary sea monster of enormous size, per its etymology something akin to a cephalopod, said to appear in the sea between Norway and Iceland. It is believed that the legend of the Kraken may have originated from sightings of giant squid, which ...
Cancer also known as Carcinus (Ancient Greek: Καρκίνος, romanized: Karkínos, lit. 'crab') or, simply the Crab, is a giant crab in Greek mythology that inhabited the lagoon of Lerna. [1] He is a secondary character in the myth of the twelve labors of Heracles, who attacks Heracles on Hera 's orders, while Heracles is in the midst of ...
This article describes the roles played by arthropods in human culture. The arthropods are a phylum of animals with jointed legs; they include the insects, arachnids such as spiders, myriapods, and crustaceans. [2] Insects play many roles in culture including their direct use as food, [3] in medicine, [4] for dyestuffs, [5] and in science ...