I am planning on getting some Halloween Crabs (Gecarcinus quadratus) for my birthday soon but I still have a few unanswered questions I. Dry season distribution of land crabs, Gecarcinus quadratus (Crustacea: Gecarcinidae), in Corcovado National Park, Costa Rica. Megan E. Griffiths1,2, Basma. Rev Biol Trop. Mar;54(1) Influence of land crabs Gecarcinus quadratus (Gecarcinidae) on distributions of organic carbon and roots in a Costa .

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In southern Costa Rica, the crab can be found up to m inland.

Young crabs forage along the coastline for small particles. In other projects Wikimedia Commons. This species is dependent on habitats with readily available sources of freshwater, to prevent desiccation of its lungs.

They need a pretty consistent temperature f and water heaters or subterranean heaters are a good way to manage this.

This nocturnal crab digs burrows — sometimes as long as 1. The taxonomy in relation to the Atlantic G. Retrieved July 28, They also need a consistent source of calcium, so take this into account when feeding them. Moon crab, harlequin land crab, Mexican land crab, mouthless crab. It lives in the forest at least some of its adult life, but needs to gecarciuns to the ocean to breed. Neither species possesses white spots at the rear of the carapace. A principally fossorial land crab, active during the daytime and most commonly encountered following heavy rain.


Gecarcinus quadratus de Saussure, The Halloween crab has an apparently completely black actually dark brown when examined closely upper carapace, a bright orange-red body and limbs and purple claws.

They live within a fairly small area, usually patrolling an area less than a meter from their burrow. Decapoda Brachyura – Crabs Class: This is a crab that digs burrows in the riverbanks and shorelines it lives on to hide from quacratus and the sun. Note the white spots towards the rear of the carapace.

Gecarcinus quadratus (Halloween Land Crab) (06/09/14) / Species Spotlight – Quality Marine

The crabs can occur at high densities, quasratus to 6 per m -2and the removal of large quantities of leaf litter from forest topsoils influences carbon storage and nutrient cyclingreducing the carbon and mineral content of the topsoil and enriching lower soil layers.

For the species of hermit crab, see Halloween hermit crab. Gecarcinus ruricola has darker, purple limbs and a purplish carapace without ‘eyes’. It is sometimes mistaken for Gecarcinus lateralis ; this species has whitish to orange-red claws and the upper carapace is rimmed with the same quadrahus. They are a terrestrial crab that lives on the waters edge, needing water for both keeping their gills damp and reproduction. Articles with ‘species’ microformats Commons category link is on Wikidata.


The patterning of this crab is unique, particularly the combination of purple claws and orange-red limbs. Gecarcinus quadratus Halloween Land Crab.


They live mostly on leaf litter and other vegetation, but are omnivores and will eat just about anything as long as it’s fresh. Gecarcinus quadratusknown as the red land crab, [1] whitespot crab, [1] halloween crab, [2] moon crab, halloween moon crab, mouthless crab [2] or harlequin land crab, [2] is a colourful land crab from the family Gecarcinidae. Gecarcinus quadratus De Saussure Gecarcinus quadratus is native to mangrove stands and brackish system sand dunes all around the Caribbean.


The Halloween crab occurs in near-coastal areas from the Gulf of California in Mexico as far south as Colombia. The decapod crustaceans of Estero el Verde.

Animalia Red List status: Small amounts of vegetable peelings are very good. These mechanisms have the overall effect of reducing tree density and diversity in forests where the crab occurs. Adults eat leaves and seeds, removing them from the surface and hoarding them in their burrows. Feeding is pretty easy, gecarcknus will eat pellets, just about any vegetables you supply, and some fresh raw fish occasionally. By using this site, you agree to the Terms of Use and Privacy Policy.

A riparium more exactly fits the gecarcinux they come from, and a small terrarium would still have quadratuus incorporate some water.