Adhesion by Paired Pectoral and Pelvic Fins in a Mountain-Stream Catfish, Pseudocheneis sulcatus (Sisoridae)

@article{Das2004AdhesionBP,
  title={Adhesion by Paired Pectoral and Pelvic Fins in a Mountain-Stream Catfish, Pseudocheneis sulcatus (Sisoridae)},
  author={Debasish Das and Tapas Chandra Nag},
  journal={Environmental Biology of Fishes},
  year={2004},
  volume={71},
  pages={1-5}
}
We describe the adhesive nature of the pectoral and pelvic fins in the catfish Pseudocheneis sulcatus, as examined by scanning electron microscopy. The outer rays of these fins are modified into structures that bear prominent transverse ridges and grooves. The outer epidermal cells of the ridges are thrown into elongated spines. Mucous pores (openings of mucous glands) are frequently present (∼100 μm apart) in the epidermis of the ridges and show entangled mucus droplets. In the pectoral fins… CONTINUE READING