Ecomorphological adaptation in three mudskippers (Teleostei: Gobioidei: Gobiidae) from the Persian Gulf and the Gulf of Oman

Polgar, Gianluca; Ghanbarifardi, Mehdi; Milli, Salvatore; Agorreta, Ainhoa; Aliabadian, Mansour; Esmaeili, Hamid Reza; Khang, Tsung Fei

doi:10.1007/s10750-017-3120-8

Cited by 28 publications

(16 citation statements)

References 76 publications

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“…Accordingly, the very close association between the neural spines of PU2 and PU3 represents a strengthening of these vertebrae, to withstand the strong forces that act upon them during skipping. That it is solely present in species of Periophthalmus correlates well with their high levels of adaptation to amphibious life (see Polgar et al., 2017).…”

Section: Discussionmentioning

confidence: 93%

“…That the thickening and shortening of these rays is most pronounced in Ps. waltoni and least developed in S. tenuis correlates well with their relative levels of adaptation to amphibious life (see Polgar et al., 2017).…”

Section: Discussionmentioning

confidence: 94%

“…novemradiatus, and Ps. waltoni , as these species are among the most amphibious of all oxudercine species (Murdy, 1989; Polgar et al., 2017; Polgar, Sacchetti, & Galli, 2010; Takita, Larson, & Ishimatsu, 2011).…”

Section: Discussionmentioning

confidence: 99%

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Osteology of the posterior vertebral column and caudal skeleton of marine amphibious gobies (mudskippers) (Teleostei: Gobioidei)

et al. 2020

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Mudskippers are amphibious gobies (Teleostei: Gobioidei, Oxudercinae) that have served as models for the specialised physiology and behaviour of fishes out of water. In this study, a comparative analysis of the posterior vertebral column and the caudal skeleton of ten mudskipper species was conducted on the basis of X‐ray imaging. The species considered were Apocryptes bato, Apocryptodon madurensis, Boleophthalmus dussumieri, Oxuderces dentatus, Periophthalmodon freycineti, Pn. schlosseri, Periophthalmus novemradiatus, Ps. waltoni, Pseudapocryptes borneensis, and Scartelaos tenuis. For the osteological description the new term 'modified caudal vertebra' is used for all those vertebrae that display visibly modified neural and/or haemal spines compared to the spines of a 'usual' caudal vertebra, but are not involved in the support of caudal rays. The results reveal that the most terrestrial forms (Pn. freycineti, Pn. schlosseri, Ps. novemradiatus, Ps. waltoni) possess distinct traits that are seldom found in the other species. Among these features are (a) the existence of at least two modified caudal vertebrae (also present in S. tenuis), (b) a particularly close, dovetailing association between the neural spines of the preural vertebrae two and three (restricted to Ps. novemradiatus and Ps. waltoni), and (c) thickening and shortening of the ventralmost principal caudal rays (also present in B. dussumieri and S. tenuis). These findings support the idea that the posterior caudal vertebrae and caudal skeleton of the mentioned species are modified to enhance locomotion on land. Moreover, a relationship between character development and degree of terrestrial adaptation is probable, as all three traits are most pronounced in Ps. waltoni, which correlates with its strikingly high level of adaptation to amphibious life. A further aspect of this study is that the newly recognized skeletal structures have good fossilization potential and could therefore facilitate recognition of fossil species of mudskippers, which are currently unknown.

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Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 94%

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Osteology of the posterior vertebral column and caudal skeleton of marine amphibious gobies (mudskippers) (Teleostei: Gobioidei)

et al. 2020

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“…A phylogenetic study by Murdy (1989) showed that S. tenuis is sister to P. waltoni plus B. dussumieri. Moreover, a molecular study by Polgar et al, (2017) on three mudskippers from the Persian Gulf and the Gulf of Oman revealed that B. dussumieri is close to S. tenuis in phylogenetic terms. As a result, morphological variation of the urohyal bone among the three examined species is largely consistent with their phylogeny.…”

Section: Discussionmentioning

confidence: 99%

Shape variation and functional adaptation in a structure involved in the feeding system of gobiid fishes

et al. 2020

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Fish are observed in different aquatic environments, including freshwater, marine and also intertidal zones. It is suggested that the urohyal bone is involved in the feeding function of fish. Information about the urohyal bone in different fish groups, including gobiids is rare. In the present study, changes in the shape of the urohyal bone were studied in seven gobiid fish from the intertidal environments of the Persian Gulf and the Gulf of Oman by applying shape analysis and geometric morphometric analyses. The results revealed that the shape of the urohyal bone in each species was distinct, which is almost consistent with their phylogenetic relationships. Periophthalmus waltoni inhabits often terrestrial habitats and requires a system to obtain food. The specific shape of the urohyal bone in this species probably results from a functional adaptation to obtain food from the terrestrial environment. Moreover, our results indicated that the shape variation in the urohyal bone of the studied species is linked to their feeding because the calculation of E index categorized those species with similar feeding regimes into one group. In conclusion, we assumed that the urohyal shape variation in the studied gobiid species is the result of compatibility to the various feeding regimes, and it is likely controlled by genetic factors. Furthermore, the results support the usefulness of the urohyal bone morphology in differentiating the studied gobiid species and highlighting the taxonomic value of the urohyal bone.

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“…Mudskipper is a genus from the family of Gobiidae and subfamily Oxudercinae that is habitually known as ikan gelodok at Musi river, South Sumatera (Shukla et al, 2014; Polgar et al, 2017;Lauriano et al, 2018;Ridho et al, 2019). Mudskippers are commonly found in brackish river water and beaches with certain salinity concentration, as well as mangrove areas of the Indo-Pacific region (Tytler and Vaughan, 1983).…”

Section: Introductionmentioning

confidence: 99%

Bioactive Compounds Evaluation of the Mudskippers in the Estuarine Area of Musi River, South Sumatera, Indonesia

Ridho¹,

Setiawan²,

Sarno³

et al. 2020

J. Ecol. Eng.

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This research was conducted to assess various bioactive compounds in the meat of mudskippers found in the Sungsang 2 Village, Banyuasin regency, South Sumatra. The research had been synthesized using n-hexane from February to May 2018 at Agricultural Technology Production Laboratory, Sriwijaya University. Subsequently, the mudskippers (Periopthalmus chrysospilos, Boleopthalmus boddarti, and Periophthalmodon schlosseri) extract was synthesized and further investigate by conducting the GC-MS analysis. The study of bioactive compounds in mudskippers was carried out by evaporating in vacuum evaporation at 30°C. The results showed that Periopthalmus chrysospilos has five classes of bioactive compounds such as steroids, terpenoids, carotenoids, canabinoids, and alkaloids and Boleopthalmus boddarti has five classes of bioactive compounds including steroids, carotenoids, terpenoids, bufadienolides, and carotatoxins. Furthermore, Boleopthalmus dussumieri has four classes of bioactive compounds such as steroids, carotenoids, terpenoids, and carotatoxins and Periophthalmodon schlosseri has three classes of bioactive compounds including steroids, carotenoids and terpenoids. This research discussed the potential benefit of all bioactive compounds in mudskippers for alleviating and treating children with enuresis through the review of literature on the most cited bioactive compounds.

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Ecomorphological adaptation in three mudskippers (Teleostei: Gobioidei: Gobiidae) from the Persian Gulf and the Gulf of Oman

Cited by 28 publications

References 76 publications

Osteology of the posterior vertebral column and caudal skeleton of marine amphibious gobies (mudskippers) (Teleostei: Gobioidei)

Osteology of the posterior vertebral column and caudal skeleton of marine amphibious gobies (mudskippers) (Teleostei: Gobioidei)

Shape variation and functional adaptation in a structure involved in the feeding system of gobiid fishes

Bioactive Compounds Evaluation of the Mudskippers in the Estuarine Area of Musi River, South Sumatera, Indonesia

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