Afruca genus
This University of Northern Iowa collection contains composite photographs of the Afruca genus of fiddler crabs. The collection is a subset of the parent Fiddler Crabs Image Gallery.
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Figure 003. Afruca tangeri
5-2025
Alt Text: Composite photograph of the Afruca tangeri 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 3. Afruca tangeri (Eydoux, 1835). UNI 140. Collected: Aug 1974, Eastern Atlantic Ocean, Morocca, El Ribia, Oued ouner. Range: southern Portugal to Angola (33.315792, -8.337627). Scale 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: Large species (width < 48 mm). Carapace length 74.8% width; frontal 17.5% carapace width (Fig. 3D). Carapace almost square with large tubercles (Fig. 3A). Eyestalks thick and moderate in length (Fig. 3D). Anterolateral junction with small point, curved inward (Fig. 3A). Dactyl and pollex much longer than manus (Fig. 3C). Pollex wider than dactyl with two central tubercles (Fig. 3C). Walking legs with dense setae (Fig. 3E). Merus width about 44% width. Only species along eastern Atlantic shore from Portugal to Angola (Fig. 3G).
