Armases cinereum

Squareback Marsh Crab

A historical Mangrove Forest crab represented after observed loss, formerly part of the mangrove detritus and scavenging layer rather than current crab pressure.

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Identity & Origin +

Common Name: Squareback Marsh Crab
Scientific Name: Armases cinereum
Realm: Terrestrial
Biome: Mangrove Forest

Population Dynamics +

Current Estimated Population: Extirpated; no current active population confirmed.
Population Status: Extirpated
Date Last Observed: November 07, 2024

Section Notes

Squareback Marsh Crab records are retained as historical mangrove-crab context. The observed individual was lost, so this profile should not be read as current crab grazing or detritivore pressure.

Trophic Ecology +

Trophic Level: Omnivore
Feeding Niche / Method: Omnivore, consumes algae and detritus
Dietary Inputs: Algae, biofilm, detritus, carrion, and small organic particles

Section Notes

Trophic classification is Omnivore. Food-web role: Algae-detritus grazer and scavenger. Feeding method: Omnivore, consumes algae and detritus. Dietary inputs: Algae, biofilm, detritus, carrion, and small organic particles

Environmental Tolerances +

Life Cycle & Reproduction +

Ecological Role & Symbiosis +

Brackish / Mangrove

A salt-influenced forest zone where mangrove roots, leaf litter, crabs, and terrestrial detritivores build the boundary between freshwater and marine sides.

Squareback Marsh Crab

Visual Data Unavailable

Section Notes

Section Notes

Classification Pending

Biomes This Species Lives In

Mangrove Forest

Grasshopper Establishment Stalls Despite Active Grazing