Figure 011. Leptuca spinicarpa

Creator

Abby Hutchins, University of Northern IowaFollow
Amber Finke, University of Northern IowaFollow
Carl L. Thurman, University of Northern IowaFollow

Preview

Identifier

Figure 11

Medium

photograph

Date Created

5-2025

Keywords

Fiddler crabs;

Description

Alt Text: Composite photograph of the Leptuca spinicarpa fiddler crab which includes several black & white images of different views of the crab, a color photograph, and a distribution map.

Composite Image Description: Figure 11. Leptuca spinicarpa (Rathbun, 1900). UNI 590. Collected: 22-Jun-2011, USA, Alabama, Mobile Co., East Dauphin Island, Causeway (30.31233, -88.13845). Scale Bar =10mm. (A) Dorsal view. (B) Front view. (C) Inner cheliped. (D) Ocular view. (E) Ambulatory. (F) Spine (s) on the carpus of male. (G) Color Photo. (H) Distribution Map (Finke 2024).

Species Description: Description. Moderate-sized species (width < 22 mm). Carapace length 68% width; frontal region about 34% carapace width (Fig. 11A,D). Eyestalks short. Carapace surface smooth but textured (Fig. 11A). H- depression prominent, very little pubescence on carapace. Carapace widest at antero-lateral angle. Lateral margins straight and parallel (Fig. 11A). Dactyl and pollex longer than manus (Fig. 11B,C). Gap large, small tubercles line dactyl and pollex. Most of large cheliped outer surface smooth. Pollex very straight. Obliques ridge of tubercles on inner surface of manus raised forming right angle in carpal cavity (Fig. 11C). Line of tubercles following gap margin on inner pollex. Carpus after large cheliped in male with prominent spine (Fig. 11Cs,Fs). Walking legs moderately setose, very little pubescence on dactyl and propodus (Fig. 11E). Merus width 41% length. Distributed along west coast of Gulf of Mexico from west Florida to the state of Tabasco, Mexico (Fig. 11H).

Comments

This composite image is of the Leptuca spinicarpa fiddler crab. It is a part of the parent Fiddler Crabs Image Gallery collection at the University of Northern Iowa, which has images of Fiddler Crabs located in the Atlantic Ocean and the Gulf of Mexico from the following genera: Afruca, Leptuca, Minuca, and Uca.

Object Description

1 PNG file

UNI Specimen Number

UNI 590

Year Collected

2011

Collection Location

30.31233, -88.13845

Gender

male

Copyright

©2025 Abby Hutchins, Amber Finke, and Carl L. Thurman

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License

Type

Image

Language

en

File Format

image/png

Recommended Citation

Hutchins, Abby; Finke, Amber; and Thurman, Carl L., "Figure 011. Leptuca spinicarpa" (2025). Fiddler Crabs Image Gallery. 19.
https://scholarworks.uni.edu/fiddlercrabs/19