Resumen

KUK-DZUL, José Gabriel; SOLIS-MARIN, Francisco Alonso; HERRERA-DORANTES, María Teresa  y  ARDISSON, Pedro-Luis. Brittle stars (Echinodermata: Ophiuroidea) of coastal lagoons from the northern Yucatán Peninsula, Mexico. Rev. Mex. Biodiv. [online]. 2019, vol.90, e902698.  Epub 27-Jun-2019. ISSN 2007-8706.  https://doi.org/10.22201/ib.20078706e.2019.90.2698.

We present the first records of ophiuroids found in 6 tropical coastal lagoons of the northern Yucatán Peninsula. Specimens were collected from Ría Celestún, Chelem, Dzilam, Ría Lagartos, Yalahau, and Nichupté-Bojórquez lagoons, during May and June 2010. Six species belonging to the families Amphiuridae, Ophionereididae, and Ophiodermatidae were recorded. Amphiodia pulchella was recorded in all lagoons; Ophiostigma isocanthum was recorded only in Yalahau, and Ophionereis olivacea and Ophioderma appressa were recorded only in Nichupté- Bojórquez. Amphiodia cf. planispina was recorded in all the coastal lagoons except in Yalahau; all the individuals of this species were juveniles. Finally, Ophiophragmus filograneus was recorded in Ría Celestún, Ría Lagartos, and Nichupté-Bojórquez, being a new record for the southern Gulf of Mexico. The range of distribution of these species is extended and their presence in brackish waters is recorded, an environment that has not been properly studied concerning ophiuroids.

Palabras llave : Benthos; Brackish waters; New records; Gulf of Mexico; Caribbean Sea.

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