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Austrohelice crassa Tunneling Mud Crab. Burrowing Mud Crab

Austrohelice crassa is commonly referred to as Tunneling Mud Crab. Burrowing Mud Crab. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Profilbild Urheber Dr. Paddy Ryan, USA

Helice crassa tunnelling mud crab, dorsal view, New Zealand.


Courtesy of the author Dr. Paddy Ryan, USA . Please visit www.ryanphotographic.com for more information.

Uploaded by Muelly.

Image detail

Profile

lexID:
10053 
AphiaID:
444703 
Scientific:
Austrohelice crassa 
German:
Tunnel grabende Schlamm-Krabbe, Grabende Schlammkrabbe 
English:
Tunneling Mud Crab. Burrowing Mud Crab 
Category:
Crabs 
Family tree:
Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Varunidae (Family) > Austrohelice (Genus) > crassa (Species) 
Initial determination:
(Dana, ), 1851 
Occurrence:
Endemic species, New Zealand 
Sea depth:
- 0,5 Meter 
Habitats:
Brackish water, Freshwater, Intertidal zone, Tidal Zone, Mangrove Zones, Port facilities, Seawater, Sea water, Tidal channels, Intertidal channels, Tide pools / rock pools, Tideways 
Size:
0.39" - 1.57" (1cm - 4cm) 
Temperature:
51.8 °F - 68 °F (11°C - 20°C) 
Food:
Algae (Algivore), Bacteria (Bacterioplankton), Carrion, omnivore, Worms 
Difficulty:
Not suitable for aquarium keeping 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2023-10-26 14:14:43 

Info

Austrohelice crassa (Dana, 1851)

Austrohelice crassa, commonly known as tunnelling mud crab, is a marine crab of the family Grapsidae. This crab live in burrows in the sand and mud and is endemic to the sea coasts of New Zealand. The carapace width is up to 4,0 cm.The mud crab eats worms, ascidians,feeds on carrion and diatoms, algae and bacteria.

They can live as long as 10 years.

Similar to Hemiplax hirtipes.

Synonymised names
Helice crassa Dana, 1851 · unaccepted > superseded combination
Helice lucasi H. Milne Edwards, 1853 · unaccepted > junior subjective synonym

External links

  1. Coastal crabs a guide to the crabs of New Zealand (en). Abgerufen am 07.08.2020.
  2. gopi.org.nz (en). Abgerufen am 07.08.2020.

Pictures

Commonly

Helice crassa tunnelling mud crab, dorsal view, New Zealand.
1
Helice crassa tunnelling mud crab, Fiordland, New Zealand.
1
Austrohelice crassa, under high tide rocks under mangroves, Westmere, Auckland, New Zealand 202
Austrohelice crassa, Running about on sand, Waipu, New Zeland 2022
Austrohelice crassa, Penrose, Auckland, New Zealand, 2021

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