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Posted: Sep 16 2006

 Nerita fulgurans Gmelin, 1791, Antillean Nerite

This presentation is very long, has 2 galleries and a lot of narrative and additional photos.  Be sure to scroll down to view everything.

Gallery 1

Gallery 2

Unusual: tiger stripe.  Brasil. 20 mm. Image provided by Tom Eichhorst.

Range data for N. fulgurans in Florida

Abbott gives SE Florida as the range for N. fulgurans in Florida. However,

I have collected it along Florida's eastern coast from St. Augustine south to

Biscayne Bay and the Florida Keys. The Jaxshell website reports N. fulgurans

from Duval County (crab shell) and Harry Lee, of Jacksonville, reports it from

St. Johns County. Early in January 2007 Harry canvassed collectors via

Conch-L for collecting data for Florida's four true Nerites. No Florida

collecting data for N. fulgurans was reported outside the range I've noted

until, Lyle Therriault of Charlotte, NC made a collecting trip to Marco Island,

Collier County, in mid-January. There he found the first documented

existence of N. fulgurans on Florida's west coast. Lyle generously gave these

shells to me for identification and retention, one of which I shared with

Harry Lee. Thanks again, Lyle!                                                                                                                                                                                                                                                                                                                 Above is Lyle's photo of the shells on                                                                                                                                                   the bottom of the overturned rock                                                                                                                                                       exposed at low tide under which he f                                                                                                                                                   found them. 

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These are Lyle's photos of the shells after cleaning.

Below are some N. fulgurans from the most northerly documented range in Florida for living specimens. These specimens are from the north sound inside St. Augustine Inlet and were found under a rock exposed by a minus tide on August 7, 2007. The little white disks in the depression in the center of each photo are N. fulgurans egg capsules.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: A living population was documented by Brian Marshall at the south St. Marys River Jetty, Nassau County, on Jul 30, 2013. http://www.jaxshells.org/8008n.htm

3/4/16  Rusty:

 

Actually the author are somewhat right about brackish water. I have seen a population at fort pierce near a boat launch after you cross north bridge from inland. They are on rocks transported by men. But I think they prefers to be in areas where they can get a good inflow of salt water during high tides. I hadn't seen them on continental side of fort pierce. The population there are bigger than some authors thinks, commonly more than one inch thou never seen any at one and a half inch.

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