Pontoniine shrimps (Decapoda: Caridea: Palaemonidae) of the northwest Atlantic. IV. Periclimenes antipathophilus new species, a black coral associate from the Turks and Caicos Islands and eastern Honduras

Spotte, S.; Heard, R., W.; Bubucis, P., M.

Bulletin of Marine Science 55(1): 212-227


ISSN/ISBN: 0007-4977
Accession: 009212683

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A series of Periclimenes antipathophilus new species, a small pontoniine shrimp, was collected from black coral colonies (Antipathes gracilis) in the Turks and Caicos Islands, British West Indies. Additional specimens from Antipathes spp. were collected at Roatan, Honduras. The new species is similar morphologically to P. iridescens but differs in (1) the presence of a triangular tooth on the moveable finger of major pereopod 2; (2) length of the carpus compared with the propodus of the major chela of pereopod 2 (carpus more than 1/2 length of propodus); (3) the presence of 4 or 5 spine-setae on the propodal flexor margins of pereopods 3-5; (4) the absence of an apical process between the mesial spine-setae on the posterior margin of the telson; and (5) the ventral branch of the lateral antennular flagellum, which is attenuated, of comparable length with the peduncle, and extends 4-6 articles beyond the tip of the antennal scale before bearing esthetascs. The two species also differ in color pattern and possibly habitat.