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35 results for “Siganidae”
16S rRNA sequences from Siganidae (S. rivulatus and S. luridus) gut microbiome in their native (Red Sea) and invaded (Mediterranean Sea) ranges
<p><span><span><span>T</span><span>he microbiome </span><span>of i</span><span>nvasive species </span><span>is increasing</span><span>ly</span><span> seen as</span><span> </span><span>a potential</span><span> </span><span>key factor of </span><span>their ecological</span><span> </span><span>success, </span><span>and t</span><span>his </span><span>appears</span><span> particularly true in herbivorous </span><span>invaders</span><span> whose digestive abilities rely on the microb</span><span>es</span><span> hosted in their </span><span>gut</span><span>. </span><span>We</span><span> characterize</span><span>d</span><span> the</span><span> gut microbiome of two invasive herbivorous fishes </span><span>(</span><span><em>S</em></span><span><em>iganus</em></span><span><em> rivulatus </em></span><span>and </span><span><em>S</em></span><span><em>iganus</em></span><span><em> luridus</em></span><span>) </span><span>in their </span><span>native (Red Sea) and invaded (Levantine Sea and Northern Crete) range</span><span>s. </span><span>We </span><span>found</span> <span>that </span><span>gut bacterial communities </span><span>contain a higher taxonomic and phylogenetic diversity </span><span>while</span> <span>bec</span><span>o</span><span>m</span><span>ing</span><span> increasingly different </span><span>from the native microbiome </span><span>as the fishes move away from the native zone. </span><span>This </span><span>shift </span><span>resulted in </span><span>the </span><span>homogenization of the microbiome</span><span>s</span><span> between </span><span>individuals from the same species </span><span>as well as between the two </span><span>species. Firmicutes and Tenericutes reduced drastically in abundance </span><span>while </span><span>Proteobacteria and Bacteroidetes </span><span>became more dominant in both species</span><span>. </span><span>This led to a modification of the functional potential of the gut microbiome associated with the metabolism of short-chanin fatty acids that also became more homogeneous in the invaded range. </span><span>Altogether, our results suggest that the plasticity of the gut microbiome in Siganidae could be a key factor underlying their ecological success </span><span>in </span><span>Mediterranean ecosystems</span><span>.</span></span></span></p>
Maximization of fitness by phenological and phenotypic plasticity in range expanding rabbitfish (Siganidae)
<p>Global warming is modifying the phenology, life-history traits and biogeography of species around the world. Evidence of these effects have increased over recent decades; however, we still have a poor understanding of the possible outcomes of their interplay across global climatic gradients, hindering our ability to accurately predict the consequences of climate change in populations and ecosystems. We examined the effect that changes in biogeography can have on the life-history traits of two of the most successful range-extending fish species in the world: the tropical rabbitfishes Siganus fuscescens and Siganus rivulatus. Both species have established abundant populations at higher latitudes (poleward) in the northern and southern hemispheres and have been identified as important ecological engineers with the potential to alter the community structure of seaweed forests (Laminariales and Fucales) in temperate regions. Life-history trait information from across their global distribution was compiled from the published literature and meta-analyses were conducted to assess changes in (i) the onset and duration of reproductive periods, (ii) fecundity, (iii) size at maturity, (iv) growth rates, (v) maximum body sizes and (vi) longevity in populations at the leading edge of range expansion in relation to sea surface temperature and primary productivity (i.e., a common proxy for nutritional resource levels). Populations at highest latitudes had shortened their reproductive periods and reduced growth rates, taking longer to reach sexual maturity and maximum sizes, but compensated this with higher fecundity per length class and longer lifespans than populations in warmer environments. Low primary productivity and temperature in the Mediterranean Sea resulted in lower growth rates and body sizes for S. rivulatus, but also lower length at maturity, leading to increased life-time reproductive output. The results suggest that plasticity in the phenology and life-history traits of range-expanding species would be important to enhance their fitness in high latitude environments, facilitating their persistence and possible further poleward expansions. Quantifying the magnitude and direction of these responses can improve our understanding and ability to forecast species redistributions and its repercussions in the functioning of temperate ecosystems. </p>
Maximization of fitness by phenological and phenotypic plasticity in range expanding rabbitfish (Siganidae)
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16S rRNA sequences from Siganidae (S. rivulatus and S. luridus) gut microbiome in their native (Red Sea) and invaded (Mediterranean Sea) ranges
Open the record for dataset details and reuse information.
FIGURES 53–57. Phthinomita poulini n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 53–57. Phthinomita poulini n. sp. 53,54,55. Vestigial oral sucker delimited posteriorly by constriction of body wall (internally separated from body by septum); sucker bearing 5 concentric rows of fine spines. Mouth opens posterior to last spine row. 56. Tegumental spines in incomplete transverse rows, 3–6 spines per row. Run entire length of body. 57. Tegumental spines covered in tegument or mucus. Abbreviations: BC, body constriction; M, mouth. Scalebars: 53,55,57,1 m; 54,56,10 m.
FIGURES 58–66. Phthinomita poulini n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 58–66. Phthinomita poulini n. sp. 58,59,60. Male genital pore at apex of notch in posterior of body. Female genital pore anterodextral to male pore. Only male pore surrounded by tegumental papillae. 61,62. Excretory pore opening terminally. Abbreviations: FGP, female genital pore; MGP, male genital pore; TP, tegumental papillae. Scalebars: 58,59,61, 10 m; 60,62, 1 m.
FIGURE 50. A,B. Phthinomita poulini n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURE 50. A,B. Phthinomita poulini n. sp. from the ventricle (heart) of Parupeneus barberinus off Lizard Island. Adult. Dorsal anteriorly, medially twisting laterally at level of "arrow a", ventral side to the right, whole mount. Scalebar: 250 m.
FIGURES 47–49. Phthinomita munozae n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 47–49. Phthinomita munozae n. sp. from the ventricle (heart) of Choerodon venustus off Heron Island. 47. Adult. Lateral anteriorly, medially twisting dorsoventrally at level of "arrow a", ventral posteriorly, whole mount. 48. Male terminal genitalia, lateral view. 49. Female terminal genitalia, lateral view. Vitelline duct omitted as obscures path of proximal uterus. Scalebars: 47,49, 250 m; 48, 100 m.
FIGURES 51–52. Phthinomita poulini n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 51–52. Phthinomita poulini n. sp. 51. Male terminal genitalia, lateral view. 52. Female terminal genitalia, lateral view. Scalebars: 51, 100 m; 52, 250 m. Site in host: Intertrabecular spaces of ventricle (heart).
FIGURES 41–43. Phthinomita robertsthomsoni n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 41–43. Phthinomita robertsthomsoni n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus argenteus off Lizard Island. 41. Adult. Lateral view, whole mount. 42. Male terminal genitalia, lateral view. 43. Female terminal genitalia, lateral view. Scalebars: 41,43, 250
FIGURES 44–46. Phthinomita sasali n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 44–46. Phthinomita sasali n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus doliatus off Palau. 44. Adult. Dorsal anteriorly, medially twisting laterally at level of "arrow a", ventral side to the left, whole mount. 45. Male terminal genitalia, lateral view. 46. Female terminal genitalia, lateral view. Scalebars: 44,46, 250 m; 45, 100 m.
FIGURES 39–40. Phthinomita littlewoodi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 39–40. Phthinomita littlewoodi n. sp. 39. Male terminal genitalia, lateral view. 40. Female terminal genitalia, dorsal view. Scalebars: 39, 100 m; 40, 250 m.
FIGURE 38. Phthinomita littlewoodi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURE 38. Phthinomita littlewoodi n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus lineatus off Heron Island. Adult. Lateral anteriorly, medially twisting dorsoventrally at level of "arrow a", dorsal posteriorly, whole mount. Scalebar: 250 m.
FIGURES 32–34. Phthinomita ingramae n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 32–34. Phthinomita ingramae n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus punctatus off Lizard Island. 32. Adult. Lateral view, whole mount. 33. Male terminal genitalia, lateral view. 34. Female terminal genitalia, lateral view. Scalebars: 32,34, 250 m; 33, 100 m.
FIGURES 35–37. Phthinomita jonesi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 35–37. Phthinomita jonesi n. sp. from the intertrabecular spaces of the ventricle (heart) of Siganus lineatus off Lizard Island. 35. Adult. Dorsal anteriorly, twisting laterally at level of "arrow a", ventral side to the left, whole mount. 36. Male terminal genitalia, dorsal view. 37. Female terminal genitalia, lateral view. Scalebars: 35,37, 250 m; 36, 100 m.
FIGURES 27–28. Phthinomita brooksi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 27–28. Phthinomita brooksi n. sp. 27. Male terminal genitalia, lateral view. 28. Female terminal genitalia, lateral view. Scalebars: 27, 100 m; 28, 250 m.
FIGURES 29–31. Phthinomita hallae n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 29–31. Phthinomita hallae n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus doliatus off Heron Island. 29. Adult. Lateral view, whole mount. 30. Male terminal genitalia, dorsal view. 31. Female terminal genitalia, lateral view. Scalebars: 29,31, 250 m; 30, 100 m.
FIGURES 23–25. Phthinomita adlardi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURES 23–25. Phthinomita adlardi n. sp. from the intertrabecular spaces of ventricle and atrium (heart) of Siganus argenteus from Ningaloo Reef. 23. Adult. Lateral view, whole mount. 24. Male terminal genitalia, lateral view. 25. Female terminal genitalia, lateral view. Scalebars: 23,25, 250 m; 24, 100 m.
FIGURE 8 in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURE 8. Intraspecific variation in shape and size of second posterior testis from two comparatively sized specimens of Phthinomita symplocos n. sp. Scalebars: 100 m.
FIGURE 26. A,B. Phthinomita brooksi n in An exceptionally rich complex of Sanguinicolidae von Graff, 1907 (Platyhelminthes: Trematoda) from Siganidae, Labridae and Mullidae (Teleostei: Perciformes) from the Indo-west Pacific Region
FIGURE 26. A,B. Phthinomita brooksi n. sp. from the intertrabecular spaces of ventricle (heart) of Siganus virgatus from Ningaloo Reef. Adult. Medially twisting laterally at level of "arrow a", ventral side to the right, whole mount. Scalebar: 250 m.
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