Figure 012. Leptuca subcylindrica

Alt Text: Composite photograph of the Leptuca subcylindrica 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 12. Leptuca subcylindrica (Stimpson, 1859). UNI 98. Collected: July 1995, USA, Texas, Kleberg Co., Kingsville, under US 77 bridge over Santa Gertrudis Creek (27.47677, -97.855088). Space Bar = 10mm. (A) Dorsal view. (B) Front view. (C) Inner cheliped. (D) Ocular view. (E) Ambulatory. (F) Color Photo. (G) Distribution Map (Finke 2024). Species Description: Moderate sized (width < 25 mm). Carapace length 66% width (Fig. 12A). Frontal regions about 37% carapace width (Fig. 12A, D). Short eyestalks. Branchial region of carapace appears swollen. Carapace widest just posterior to antero-lateral angle. Antero-lateral margins strongly curved (Fig. 12A). Large cheliped with dactyl and propodus about same length as manus, gap large (Fig. 12B,C). Dactyl overhangs terminus of pollex. Pollex with prominent suture below dactyl articulation (Fig. 12B). Tubercles on dactyl and pollex large. Inner manus with no oblique ridge of tubercles (Fig. 12C). Line of tubercles extends from tip of pollex along gap up to the articulation junction. Walking legs with extremely numerous long setae(Fig. 12E). Merus width 40% length. Species restricted to sub-arid coastal areas of the Laguna Madre system between Refugio Co., Texas in USA and Altamira, Lomas del Real, Tamaulipas, Mexico (Fig. 12G).