Figure 2 - uploaded by Welber Senteio Smith
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Species recorded in the Ipanema National Forest. A. Acestrorhynchus lacustris (180 mm), MZUSP 115236. B. Astyanax lacustris (100 mm), LEEF 1115167. C. Hemigrammus marginatus (18 mm), LEEF 115131. D. Planaltina britskii (25 mm), LEEF 121112. E. Psalidodon bockmanni (65 mm), LEEF 121112. F. Psalidodon fasciatus (75 mm), LEEF 13013. G. Psalidodon paranae (80 mm), LEEF 115136. H. Psalidodon cf. schubarti (75 mm), LEEF 130930. I. Serrapinus notomelas (2 cm). J. Characidium zebra (25 mm), LEEF 115145. K. Cyphocarax gillii (100 mm), LEEF 140731. L. Steindachnerina insculpta (86 mm), MZUSP 115238. M. Hoplias malabaricus (152 mm), LEEF 115143. N. Parodon nasus (90 mm), LEEF 115130. O. Prochilodus lineatus (29 cm), MZUSP 115270. P. Gymnotus carapo (180 mm), LEEF 115128. Q. Pimellodela meeki (55 mm), LEEF 115143. R. Hypostomus ancistroides (161 mm), LEEF 115146. S. Pterygoplichthys ambrosettii (185 mm), LEEF 151581. T. Rineloricaria latirostris (70 mm), LEEF 115127. U. Geophagus brasiliensis (135 mm), LEEF 115137. V. Coptodon rendalli (122 mm), MZUSP 115233. W. Poecilia reticulata (20 mm), LEEF 130929. X. Phalloceros harpagos (18 mm), LEEF 120804-1. Scale bars = 100mm.
Source publication
The Ipanema National Forest has been thoroughly studied in the last 25 years, and 50 species of fish species (47 native and three invasive) were reported in 2013. Intensive inventory work carried out by us between 2012 and 2017 found 39 additional species distributed in five orders and 13 families. Our study provides new data which may help efforts...
Contexts in source publication
Context 1
... 39 species recorded here for the first time are distributed in five orders and 13 families. The taxonomic list of identified species is shown in Table 2, and the newly recorded species are shown in Figure 2. Most of these species belong to the orders Characiformes (23 species) and Siluriformes (10 species). ...
Context 2
... elongated; mouth subterminal; premaxilla with 4 teeth, maxilla with 1 or 2 and dentary with no teeth; dorsal fin with 10-13 rays, pectoral fin with 11-14 rays, pelvic fin with 7-9, anal fin with 7 or 8 and caudal fin with 18 or 19 rays ( Graça and Pavanelli 2007). Figure 2N Material examined. BRAZIL -São Paulo • Iperó, Ipa nema River; 23°25.38′S, ...
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Citations
... We calculated the f -branch statistic for all relevant combinations of species/populations and branches, but focus on allele sharing between the Iguazú and Uruguay River species flocks and between a species flock and adjacent Atlantic coastal drainages in Brazil and Uruguay. These lineages lack contemporary, but have historically had, geographic connections, evidenced by the distributions of many fishes that span the Paraná River, Uruguay River, and Atlantic coastal drainages (Volcan et al. 2012;Delariva et al. 2019;Smith et al. 2021). These comparisons best approximate the geographic scenario of gene flow between riverine lineages and endemic lacustrine species flocks (Joyce et al. 2011;Meier et al. 2017Meier et al. , 2019. ...
Explosive bouts of diversification are one of the most conspicuous features of the tree of life. When such bursts are repeated in similar environments it suggests some degree of predictability in the evolutionary process. We assess parallel adaptive radiation of South American pike cichlids (Crenicichla) using phylogenomics and phylogenetic comparative methods. We find that species flocks in the Uruguay and Iguazú River basins rapidly diversified into the same set of ecomorphs that reflect feeding ecology. Both adaptive radiations involve expansion of functional morphology, resulting in unique jaw phenotypes. Yet, form and function were decoupled such that most ecomorphs share similar mechanical properties of the jaws (i.e., jaw motion during a feeding strike). Prey mobility explained six to nine-fold differences in the rate of morphological evolution, but had no effect on the rate of mechanical evolution. We find no evidence of gene flow between species flocks or with surrounding coastal lineages that may explain their rapid diversification. When compared to cichlids of the East African Great Lakes and other prominent adaptive radiations, pike cichlids share many themes, including rapid expansion of phenotypic diversity, specialization along the benthic-to-pelagic habitat and soft-to-hard prey axes, and the evolution of conspicuous functional innovations. Yet, decoupled evolution of form and function and the absence of hybridization as a catalyzing force are departures from patterns observed in other adaptive radiations. Many-to-one mapping of morphology to mechanical properties is a mechanism by which pike cichlids exhibit a diversity of feeding ecologies while avoiding exacerbating underlying mechanical trade-offs.
Esta Nota técnica foi elaborada em resposta ao Projeto de Lei (PL)
número 614, do ano 2018 (PL614/2018), recentemente aprovado na
Assembleia Legislativa do Estado de São Paulo (ALESP). Proposto
pelo Deputado Estadual Carlos Eduardo Pignatari (Carlão Pignatari),
presidente da ALESP, o PL614/2018 trata da regulamentação da
pesca, embarque, transporte, comercialização e processamento de
peixes das espécies exóticas invasoras de tucunarés (Cichla spp.)
em sistemas aquáticos continentais do Estado de São Paulo, com o
suposto objetivo de conservação desses estoques.
"Peixe da Vez" published in Boletim - Sociedade Brasileira de Ictiologia.
