Sesarma schubarti
Gulf marsh crab
New species classified in 2024, diverged from the purple marsh crab (Sesarma reticulatum). Primarily herbivorous and feeds on coastal grasses and mangrove detritus. Also exhibits opportunistic scavenging behavior.
- Common Name
- Gulf marsh crab
- Scientific Name
- Sesarma schubarti
- Realm
- Terrestrial
- Biome
- Marine Shore
- Date First Introduced
- April 22, 2026
- Source / Origin
- Wild brackish tidal ditch, Spring Hill, FL
Section Notes
Classified as a distinct species in 2024; previously grouped with Sesarma reticulatum (purple marsh crab).
- Current Estimated Population
- 1 (male)
- Population Status
- Uncertain
Section Notes
Single male introduced 2026-04-22. Confirmed present and active as of 2026-04-26.
- Dietary Inputs
- Cordgrass, seashore paspalum, silverhead, waterlogged mangrove leaves, dry mangrove leaves
Section Notes
Confirmed feeding on live seashore paspalum (Paspalum vaginatum) on 2026-04-26, four days after introduction. Also observed scavenging a detached fiddler crab leg on the same date. Suggests a broader opportunistic diet than initially expected.
Classification Pending
PendingThis section will expand as more information is documented for this species.
Classification Pending
PendingThis section will expand as more information is documented for this species.
- Microhabitat Preference
- Coastal marsh, brackish tidal zones, shoreline vegetation margins.
Section Notes
Shares the Marine Shore biome with the Atlantic Sand Fiddler Crab (Leptuca pugilator). Coexistence is natural in coastal settings. Relationship in miniBIOTA is being actively monitored.
Biomes This Species Lives In
Follow this species across the habitats where it currently appears in the miniBIOTA biosphere.
