Abstract
We present 52 new geographic location records for the peracarid crustacean Antromysis cenotensis Creaser, 1936, endemic in cenotes of the Yucatan Peninsula, Mexico. This species is currently considered threatened and, therefore, is protected by Mexican law. These results arise from several expeditions carried out between 2017 and 2020 in 75 locations within the cenote-ring, the interior, and coastal plains of the peninsula. A comprehensive literature review provided 84 geographic location records since the species was described in 1936. A map with 136 geographic location records that better describe the current species distribution is also included. With this information, plus some notes on the ecology of the species, a comprehensive literature and data review, and a brief analysis regarding the possible factors associated with the confirmed absence of the species in some locations in the state of Yucatan, we provide a brief and condensed summary of the actual knowledge on this particular species. The data in Darwin Core format can be retrieved in Zenodo.
Highlights
The order Mysida (Crustacea: Malacostraca: Peracarida) contains 1184 species grouped into 179 genera that belong to two families and inhabits a vast diversity of aquatic habitats throughout the world [1]
We present 52 new A. cenotensis distribution records from cenotes in the Yucatan
A. cenotensis is highly conspicuous in many cenotes of the Yucatan Peninsula, those within the cenote semicircle
Summary
The order Mysida (Crustacea: Malacostraca: Peracarida) contains 1184 species grouped into 179 genera that belong to two families and inhabits a vast diversity of aquatic habitats throughout the world [1]. Capable of both filter-feeding and raptorial feeding, exhibiting a variety of diets associated with seasonal changes, diel cycles, ontogenetic development, or food availability, and serve as an important food source for fish and crustaceans [6,7,8,9]. These organisms are usually positioned in the intermediate trophic levels of the communities they belong to, and some species play a key role in transferring energy between benthic and pelagic environments [9], and between upper and lower trophic levels [10]. They can be very abundant in certain habitats, reaching >1000 ind
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