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Metacarcinus gracilis Graceful rock crab, Graceful crab, Slender crab

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Metacarcinus gracilis (Graceful crab),17 meters,12ºC, Santa Rosa Island, California ,2016

Uploaded by Muelly.
Courtesy of the author Chris Grossman, USA (copyright: @Chris Grossman, diver.net) Image detail


Profile

lexID:
12074 
Scientific:
Metacarcinus gracilis 
German:
Hübscher Taschenkrebs, Anmutiger Taschenkrebs 
English:
Graceful rock crab, Graceful crab, Slender crab 
Category:
Crabs 
Family tree:
Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Cancridae (Family) > Metacarcinus (Genus) > gracilis (Species) 
Initial determination:
(Dana, ), 1852 
Occurrence:
Alaska, Canada , Gulf of California, Mexico (East Pacific), North Pacific (Ocean) 
Sea depth:
1 - 189 Meter 
Size:
2.36" - 4.33" (6cm - 11,5cm) 
Temperature:
44.6 °F - 53.6 °F (7°C - 12°C) 
Food:
Carnivore, Carrion, Crustaceans, Invertebrates, Zoobenthos 
Difficulty:
Cold water animal 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2019-04-14 20:27:43 

Husbandry

Metacarcinus gracilis (Dana, 1852)

The slender crab carapace is usually olive brown, and its legs vary from yellowish brown to purple.

Larvae and small juveniles of this species are often seen riding jellyfish, especially Phacellophora camtschatica. The juvenile crabs steal food from the jellyfish and also clean off parasitic amphipods

Similar to Metacarcinus magister.

Synonymised names:
Cancer gracilis Dana, 1852

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