Acanthochitona spiculosa Reeve, 1847
glass-haired chiton
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Family:  Acanthochitonidae ()
Max. size:  3.80999994277954 cm TL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 2 m
Distribution:  Western Central Atlantic: USA, Colombia and the West Indies.
Diagnosis:  Maximum Total Length: 3.8 centimeters. Body: Elongated; has girdle that covers most of the valves. Valves: Have four clumps of long, glassy bristles near the anterior valve and one on each side of the other valves. Clumps: Set in cuplike collars of the girdle. Pustules: Tiny, round, sharply raised; covering end valves and lateral areas of middle valves. Dorsal longitudinal ridge: Raised, narrow, distinct and smoothish except for very fine pinpoints. Lower edge of the girdle: Dense fringe of brown or bluish bristles (Ref. 281).
Biology:  Upper sublittoral, under stones and coral rubble (Ref. 2022, page 123). Members of the class Polyplacophora are mostly gonochoric. Life cycle: Eggs hatch into lecitotrophic planktonic trocophore larvae (no veliger stage) which later metamorphose and settle on the bottom as young adults (Ref. 833).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans: 
Country info:   

Entered by: Dar, Christine - 11.12.05
Modified by: Dar, Christine - 25.11.16

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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