Pacific Speckled Crab
Arenaeus mexicanus
Spanish: Cangrejo nadador

Pacific Speckled Crab (Arenaeus mexicanus) is a species recorded near La Saladita, Guerrero, Mexico, with 4 research-grade iNaturalist observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones). Most often recorded in Dec, Apr, Jan.
- 2026-04-26 — observation by viridelao
- 2020-01-19 — observation by zorazed
- 2018-12-14 — observation by zvrbian
- 2017-12-13 — observation by andympz
Interactive card with more photos, sounds and similar species Shore life guide iNaturalist
Cite as: “Pacific Speckled Crab (Arenaeus mexicanus) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/arenaeus-mexicanus/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.