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20 results for “Gasterosteidae”
Figure 2. - A in Invalidity of Gasterosteus gymnurus (Cuvier, 1829) (Actinopterygii, Gasterosteidae) according to integrative taxonomy
Figure 2. - A: Gasterosteus aculeatus, MNHN 2013-1299, FFFtag12285, 35 mm SL, Taute (Douve drainage) at Tribehou, France, 17 Sep. 2013; B: G. gymnurus, MNHN 2014-0010, FFFtag12314, 42 mm SL, Blaise (Seine drainage) at Saint-Ange-et-Torçais, France, 24 Sep. 2013.
Figure 3 in Invalidity of Gasterosteus gymnurus (Cuvier, 1829) (Actinopterygii, Gasterosteidae) according to integrative taxonomy
Figure 3. - Bayesian tree of the cytochrome c oxidase subunit I (COI) for 194 individuals of Gasterosteus spp. and other gasterosteids. The mean a posteriori values of the parameters are: TL = 38.329096; alpha = 0.076817; pinvar = 0.308267. As a reminder, G. aculeatus is full plated, whereas G. gymnurus has two to 10 lateral plates on both sides.
Figure 1 in Invalidity of Gasterosteus gymnurus (Cuvier, 1829) (Actinopterygii, Gasterosteidae) according to integrative taxonomy
Figure 1. - Geographical distribution of the vouchers used in the analysis in polar view. Gasterosteus aculeatus (black squares), G. gymnurus (white squares), G. islandicus (white circle), G. wheatlandi (white stars) and unidentified morphologically specimens (grey squares). Asterisks mean approximative locations.
Parallel and non-parallel divergence within polymorphic populations of brook stickleback, Culaea inconstans (Actinopterygii: Gasterosteidae)
<p><span><span><span><span><span><span><span><span><span><span><span>Studying parallel evolution allows us to draw conclusions about the repeatability of adaptive evolution. Whereas populations likely experience similar selective pressures in similar environments, it is not clear if this will always result in parallel divergence of ecologically relevant traits. Our study investigates the extent of parallelism associated with the evolution of pelvic spine reduction in brook stickleback populations. We find that populations with parallel divergence in pelvic spine morphology do not exhibit parallel divergence in head and body morphology but do exhibit parallel divergence in diet. In addition, we compare these patterns associated with pelvic reduction in brook stickleback to well-studied patterns of divergence between spined and unspined threespine stickleback. Whereas spine reduction is associated with littoral habitats and a benthic diet in threespine stickleback, spine reduction in brook stickleback is associated with a planktonic diet. Hence, we find that pelvic spine divergence is associated with largely non-parallel ecological consequences across species.</span></span></span></span></span></span></span></span></span></span></span></p>
Parallel and non-parallel divergence within polymorphic populations of brook stickleback, Culaea inconstans (Actinopterygii: Gasterosteidae)
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Data from: A four-questions perspective on public information use in sticklebacks (Gasterosteidae)
Whether learning primarily reflects general processes or species-specific challenges is a longstanding matter of dispute. Here we present a comprehensive analysis of public information use (PI-use) in sticklebacks (Gasterosteidae). PI-use is a form of social learning by which animals are able to assess the relative quality of resources, here prey patches, by observing the behaviour of others. PI-use was highly species-specific with only two of the assayed species, Pungitius spp. and their closest relative Culaea inconstans showing evidence of PI-use. We saw no effects of ontogenetic experience upon PI-use in P. pungitius. Experiments with live demonstrators and animated fish revealed that heightened activity and feeding strikes by foraging conspecifics are important cues in the transmission of PI. Finally, PI-use was the only form of learning in which P. pungitius and another stickleback, Gasterosteus aculeatus differed. PI-use in sticklebacks is species-specific and may represent an 'ecological specialisation' for social foraging. Whether this reflects selection on perception, attentional or cognitive processes remains to be determined.
FIGURE 12 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 12. Comparisons of the origin of the spiny dorsal fin in Pungitius modestus and P. kaibarae. a) Pungitius modestus, sp. nov., holotype, NSMT-P 133674, 45.4 mm SL. b) P. kaibarae, holotype, ZUMT 8197, 45.0 mm SL. c) P. kaibarae from Korea, non-type, NSMT-P 140556, 31.8 mm SL. The first dorsal-fin spine is shown by a red arrow, and the origin of the pectoral-fin base is shown by a red vertical line.
FIGURE 9. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 9. a) Syntype of Gasterosteus tymensis Nikolski, 1889, BMNH 1892.4.28, 58.5 mm SL. b) X-ray photograph of syntype of G. tymensis.
FIGURE 5. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 5. a) Syntypes of Gasterosteus platygaster Kessler, 1859, BMNH 1897.7.5.2, 44.4 mm SL. b) X-ray photograph of syntypes of G. platygaster, 44.4 mm SL. c) Syntypes of G. platygaster Kessler, 1859, BMNH 1897.7.5.2, 39.3 mm SL. d) X-ray photograph of syntypes of G. platygaster, 39.3 mm SL.
FIGURE 4. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 4. a) Living female Pungitius modestus, sp. nov. out of the breeding season. NSMT-P 136597, 41.3 mm SL, Tendo, Yamagata Prefecture, Honshu, Japan. b) Living male in the breeding season (photographed by T. Takeda, May 1992). c) Living female in the breeding season (photographed by T. Takeda, May 1992).
FIGURE 11 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 11. Comparisons of lateral plates of Pungitius modestus and P. kaibarae. a) Pungitius modestus, sp. nov., paratype, NSMT-P 140554, 40.5 mm SL. b) P. kaibarae, holotype, ZUMT 8197, 45.0 mm SL. c) P. kaibarae from Korea, non-type, NSMT-P 140556, 31.8 mm SL. Edges of the lateral plates are shown in red.
FIGURE 8. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 8. a) Syntypes of Gasterosteus bussei Warpachowski, 1888, ZIN 7100, 42–53 mm SL. b) X-ray photograph of syntypes of G. bussei.
FIGURE 2. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 2. a) Freshly dead holotype of Pungitius modestus, sp. nov., NSMT-P 133674, female, 45,4 mm SL, Tendo, Yamagata Prefecture, Honshu, Japan. b) Holotype preserved in 70% ethanol.
FIGURE 3 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 3. Pectoral and pelvic girdles of Pungitius modestus, sp. nov., paratype, NSMT-P 140554, male, 38.7 mm SL, Higashine, Yamagata Prefecture, Honshu, Japan. a) Lateral view. b) Ventral view.
FIGURE 10. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 10. a) Holotype of Pygosteus kaibarae Tanaka, 1915, ZUMT 8197, 45.0 mm SL (photographed by K. Hosoya). b) Pungitius kaibarae from Korea, NSMT-P 140556, 31.8 mm SL, Gangneung, Gangwon-do, Korea.
Data from: A four-questions perspective on public information use in sticklebacks (Gasterosteidae)
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Data from: Association between integration structure and functional evolution in the opercular four-bar apparatus of the threespine stickleback, Gasterosteus aculeatus (Pisces: Gasterosteidae)
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FIGURE 7 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 7. Syntypes of Gasterosteus stenurus Kessler, 1876, ZIN 2471, 46–55 mm SL.
FIGURE 6 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 6. Syntypes of Gasterosteus sinensis Guichenot, 1869, MNHN 0000-5228, 21–26 mm SL.
FIGURE 1 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 1. Map showing the type locality (solid circle) of Pungitius modestus, sp. nov.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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