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FIG. 9. — Lepidotes tanyrhis n in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 9. — Lepidotes tanyrhis n. sp., schéma interprétatif du crâne en vue latérale, holotype (MCCM LH-7410). Abréviations: Ang, angulaire; Ant, antorbital; Cl, cleithrum; Dpt, dermoptérotique; Dsph, dermosphénotique; Dspl, dentalosplénial; cscl, cupule du supracleithrum; Exc, extrascapulaire; Fr, frontal; Io, infraorbital; Iop, interopercule; Mx, maxillaire; Na, nasal; Op, opercule; Pa, pariétal; Pcl, postcleithrum; Pmx, prémaxillaire; Pop, préopercule; prpmx, processus ascendant du prémaxillaire; Ptemp, posttemporal; Q, carré; Qj, quadratojugal; Rbr, rayon branchiostège; Sbo, sousorbital; Scl, supracleithrum; So, supraorbital; Sop, sousopercule; Spo, sphénotique; Vo, vomer; (d), droit; (g), gauche. Échelle: 1 cm.

FIG. 2. — Lepidotes microrhis n in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 2. — Lepidotes microrhis n. sp., crâne en vue latérale, holotype (MCCM LH-8010b). Échelle: 1 cm.

FIG. 1. — A, B, Lepidotes microrhis n in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 1. — A, B, Lepidotes microrhis n. sp., corps; A, holotype (MCCM LH-8010b); B, MCCM LH-8011a; C, Lepidotes aff. microrhis, corps (MCCM LH-7266a). Échelle: 1 cm.

FIG. 5. — Lepidotes microrhis n in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 5. — Lepidotes microrhis n. sp., schéma interprétatif du crâne en vue latérale (ADR-219). Abréviations: Ang, angulaire; Ant, antorbital; Cl, cleithrum; Chy, cératohyal; ap, pit line antérieure; as, anneau sclérotique; Dpl, dermopalatin; Dpt, dermoptérotique; Dsph, dermosphénotique; Dspl, dentalosplénial; cscl, cupule du supracleithrum; Exc, extrascapulaire; Fr, frontal; Hy, hyomandibulaire; Io, infraorbital; Iop, interopercule; mp, pit line moyenne; Mx, maxillaire; Na, nasal; Op, opercule; pcext, pore de la commisure extrascapulaire; Pa, pariétal; Pcl, postcleithrum; Pmx, prémaxillaire; Pop, préopercule; Ptemp, posttemporal; Q, carré; Rbr, rayon branchiostège; Sbo, sousorbital; Scl, supracleithrum; So, supraorbital; Sop, sousopercule; (d), droit; (g), gauche. Échelle: 1 cm.

FIG. 10 in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 10. — Lepidotes ilergetis Sauvage, 1903, détail de la joue (MGB 605+30362). Abréviations: Io, infraorbital; Iop, interopercule; Md, mandibule; Op, opercule; Pop, préopercule; Sbo, sousorbital; Sop, sousopercule. Échelle: 1 cm.

FIG. 6 in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 6. — Détail de la joue; A, Lepidotes tanyrhis n. sp. (ADR- 0118); B, Lepidotes microrhis n. sp. (MCCM LH-16338). Abréviations: cio, canal infraorbitaire; Io, infraorbital; Iop, interopercule; Md, mandibule; Op, opercule; Pop, préopercule; Q, carré; Sbo, sousorbital; Sop, sousopercule. Échelles: 1 cm.

FIG. 3. — Lepidotes microrhis n in Les Lepidotes (Actinopterygii, Semionotiformes) du Crétacé inférieur (Barrémien) de Las Hoyas (Province de Cuenca, Espagne)

FIG. 3. — Lepidotes microrhis n. sp., schéma interprétatif du crâne en vue latérale, holotype (MCCM LH-8010). Abréviations: Ang, angulaire; Ant, antorbital; Cl, cleithrum; Dpt, dermoptérotique; Dsph, dermosphénotique; Dspl, dentalosplénial; Exc, extrascapulaire; Fr, frontal; Io, infraorbital; Iop, interopercule; Mpa, marge de recouvrement du pariétal; Mx, maxillaire; Na, nasal; Op, opercule; Pa, pariétal; Pcl, postcleithrum; Pmx, prémaxillaire; Pop, préopercule; prpmx, processus ascendant du prémaxillaire; Ptemp, posttemporal; Q, carré; Rbr, rayon branchiostège; Ros, rostral; Sang, susangulaire; Sbo, sousorbital; Scl, supracleithrum; Smx, supramaxillaire; So, supraorbital; Sop, sousopercule; (d), droit; (g), gauche. Échelle: 1 cm.

Fig. 4 in Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 4. Feeding strategy diagram for individuals of three size classes (A: <400 mm TL; B: 400-500 mm TL; C:>500 mm TL) of the dusky grouper Mycteroperca marginata. Prey-specific abundance plotted against frequency of occurrence of food items in the diet of the dusky grouper. The inserted boxed (A) represents a conceptual diagram of a resource niche width characterized by a high between-phenotype component (sensu Amundsen et al., 1996) to niche width contribution. The number of individuals analyzed in each size class is 29, 34 and 15, respectively.

Fig. 3 in Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 3. Average values (±SD) of prey's size (mm, TL) and biomass (g) in the stomach content of three size classes (<400 mm TL; 400-500 mm TL;>500 mm TL) of the dusky grouper Mycteroperca marginata. The number of individuals analyzed in each size class is 29, 34 and 15, respectively.

Fig. 1 in Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 1. Patos Lagoon (10.360 km2) in southern Brazil (A) and the 4.5 km long pair of jetties that connects the estuarine zone of the lagoon with the Atlantic Ocean (B), detail of the west jetty and their large pieces of rock nearly 10 ton each (C). These rocky jetties are located in the Rio Grande City (Rio Grande do Sul State) in southern Brazil.

Fig. 2 in Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 2. Components (%N, %W, %F) of the Index of Relative Importance (%IRI) for each of the five major categories of food found in the stomach content of three size classes (A: <400 mm TL; B: 400-500 mm TL; C:>500 mm TL) of the dusky grouper Mycteroperca marginata. The number of individuals analyzed in each size class is 29, 34 and 15, respectively. Mollusks did not occur in the larger size class (> 500 mm TL).

Fig. 7 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)

Fig. 7. Relative position of the mouth corner in the water column during ASR in an individual of S. brasiliensis with typical lip (a) and another with lip protuberances (b). The drawing represents individuals with smaller mouth opening than those of Fig. 1, so that lateral lobes of the protuberance come in contact to cover the sides of the mouth.

Fig. 6 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)

Fig. 6. Relationship between MLW (maximum lip width) and water dissolved oxygen. Values of lip size are expressed as proportions of standard length of the body.

Fig. 4 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)

Fig. 4. Transversal cross-section of the lateral portion of lower lip from an individual of Salminus brasiliensis, (a) with typical lip and (b) with dermal lip protuberance. EP = epidermis, SS = stratum spongiosum, LE = lateral edge, arrow indicates the lateral lobe of the dermal lip protuberance. Scale bar = 0.25 mm.

Fig. 2 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)

Fig. 2. Measurements taken in the lower jaw of S. brasiliensis. LW: Median lip width, MLW: Maximum lip with.

Fig. 1 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)

Fig. 1. Map showing the location of Salado River in Santa Fe Province (Argentina) (left) and inset showing the study region (right). Shaded sectors indicate floodplain areas containing the sampled lakes.

Fig. 2 in Local ecological and taxonomic knowledge of snapper fish (Teleostei: Actinopterygii) held by fishermen in Ilhéus, Bahia, Brazil

Fig. 2. Similarity dendogram for the morphologic and color criteria used by the interviewed fishermen from Ilhéus, Bahia State, Brazil, to classify the species of the snapper group (number of interviews = 15; for the E. oculatus and P. furcifer n = 7).

Fig. 3 in Local ecological and taxonomic knowledge of snapper fish (Teleostei: Actinopterygii) held by fishermen in Ilhéus, Bahia, Brazil

Fig. 3. Similarity dendrogram for the species of the snapper group according to the environments in which they are found, according to the perception of the fishermen from Ilhéus, Bahia State, Brazil (number of interviews = 15; for the E. oculatus and P. furcifer n = 7).

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Fig. 5 in Growth of the Silverside Atherinella brasiliensis in Tramandaí Estuary, Southern Brazil (Actinopterygii: Atherinopsidae)

Fig. 5. Estimated von Bertalanffy growth curves for the silverside Atherinella brasiliensis in Tramandaí Estuary, Southern Brazil.