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Mottled Shore Crab

Pachygrapsus transversus

A fast, flat crab with mottled patterns that scurries over rocks and feeds on algae, detritus, and small animals.

Species Data

First Recorded: July 14, 2024
Last Observed: October 04, 2025
Est. Population: 2
Record Created: September 26, 2025
Realm: Saltwater
Main Biome: Marine Shore, Seagrass Meadow
Trophic Role: Omnivore
Feeding Niche: Omnivore, consumes algae and detritus
Known Predators: None Known
Currently: Not Reproducing
Population Size: 2
First Recorded: July 14, 2024
Reproduction Notes: 1 entries
Status: Endangered
Realm: Saltwater
Main Biome: Marine Shore, Seagrass Meadow
Population Size: 2
Conservation Notes: 1 entries
Total Comments: 0
Species Page: Mottled Shore Crab

No general notes recorded yet

General observations and notes will appear here once added.

Ecology Notes

Spends most of it's time on the rocks and at the upper half of the water column, eating filamentous algae on surfaces

Reproduction Notes

Currently only 2 females are in miniBIOTA. Unfertilized eggs produced regularly.

Conservation Notes

These crabs will eventually go extinct in miniBIOTA unless male crabs are introduced. Full life cycle even with males is still uncertain and may be unlikely.

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