Fig. 1 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 1. (a) Reproductive adults of Ancistrus cryptophthalmus from Passa Três Cave kept in laboratory: two females (to the left) and male (to the right, dorso-posterior region of the head red-colored); arrow indicates the entrance of the shelter occupied by the male. Photograph taken on April 2004. (b) Cluster of eggs adhered to the ceiling of the shelter, average diameter = 4.0 mm. (c) Area around the shelter entrance (within the white circle) defended by the male (close to the center of the circle). (d) Clockwise from the top left: embrio (eyes visible), newly hatched larva (10.4 mm TL), more advanced larva (12.5 mm TL), with yolk-sac almost completely absorbed. (e) Top: 53 mm long juvenile from Passa Três Cave, with regressed eyes; arrow indicates the orbit reduced to a small depression covered with skin. Bottom: 53 mm long juvenile from Angélica Cave, probable the same age as the former, showing non-regressed eyes. (f) Detail of the head of the juvenile from Passa Três; arrows indicate the first primordia of tentacles.