DNA barcoding of Glossogobius species (Teleostei: Gobiidae) from major lakes in the Philippines reveals the presence of cryptic species and species complexes

Abdulmalik-Labe, Onaya P.; Picart, Nicole Mae R.; Francisco, Mirriam Esther M.; Castillo, Raisa Mikaelle G.; Quilang, Jonas P.

doi:10.1007/s12686-022-01278-z

Cited by 6 publications

(12 citation statements)

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Section: Plos Onementioning

confidence: 99%

“…Bay [10,77], Lake Taal [10,76], Lake Naujan [10], Lake Buluan [10], Lake Bato [10] and Lake Buhi [10] revealed that the large-sized Glossogobius species in these lakes are G. aureus. Based on the DNA barcoding studies [10,76,77] and previous reports by Herre [12,75], G. aureus is considered native to Laguna de Bay, Lake Taal, Lake Naujan, Lake Buluan, Lake Bato, and Lake Buhi. On the other hand, G. aureus is known to be an introduced species in Lake Lanao and Lake Paoay, as its presence was only detected in the 1960s in Lake Lanao [78] and in 1977 in Lake Paoay [52].…”

Section: Plos Onementioning

confidence: 99%

“…DNA barcoding of Glossogobius species in Lake Lanao revealed the presence of two lineages, G. aureus and G. cf. aureus, that are separated by a mean pairwise genetic distance of 3.7% based on mtDNA cytochrome c oxidase I (COI) gene [10]. All the 32 specimens from Lake Lanao (consisting of 10 G. aureus and 22 G. cf.…”

Section: Plos Onementioning

confidence: 99%

“…All the 32 specimens from Lake Lanao (consisting of 10 G. aureus and 22 G. cf. aureus) that were DNA barcoded [10] were also used in the present study. The cyt b sequences of these 32 specimens generated in this study also formed two lineages that are concordant with the results obtained using COI sequences.…”

Section: Plos Onementioning

confidence: 99%

“…Glossogobius aureus belongs to the most speciose genus in the suborder Gobioidei (gobies) [5], a large suborder in the order Gobiiformes [7]. In the Philippines, the most diverse group among the freshwater fishes are the gobies [8,9], in which G. aureus is the most widely distributed and the most abundant goby species in many lakes [10]. Glossogobius aureus is a commercially important species.…”

Section: Introductionmentioning

confidence: 99%

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Genetic diversity and divergence among native and translocated populations of the golden flathead goby Glossogobius aureus (Gobiiformes: Gobiidae) in Philippine lakes

Abdulmalik-Labe,

Eduardo,

Quilang

2023

PLoS ONE

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The golden flathead goby Glossogobius aureus is a native species in the Philippines, Australia, Japan, Taiwan, and many other countries in Asia. In the Philippines, it is an important food fish as it is commonly caught in major lakes. In this study, a total of 307 specimens morphologically identified as G. aureus were sampled from nine major lakes in the Philippines and were sequenced for their mitochondrial cytochrome b (cyt b) gene. Two hundred sixty of the 307 cyt b sequences had sequence similarities of ≥ 99% with G. aureus reference sequence in GenBank, while the remaining 47 (all from Lake Lanao) had sequence similarities of only 95% and were thus designated as Glossogobius cf. aureus and treated as a separate population. The sequences were then analyzed to examine the pattern of genetic diversity, relatedness, divergence, and demographic history among native and translocated populations of the species. Twenty-nine haplotypes were recovered, of which four haplotypes were shared among three to seven populations. Only one haplotype each was found in the native population in Lake Buhi and translocated population in Lake Paoay. Low haplotype and low nucleotide diversities were found for the populations in Laguna de Bay, Lanao, Bato, Buhi, Paoay, and Sebu lakes, which indicate founder event for the introduced populations in Lanao, Paoay, and Sebu lakes and recent genetic bottleneck for the native populations in Laguna de Bay, Bato, and Buhi. In contrast, high haplotype but low nucleotide diversities were found for the native populations of Taal, Naujan, and Buluan lakes, signifying a recent bottleneck followed by population expansion. Pairwise FST values showed generally large (FST = 0.168–0.249) to very large (FST = 0.302–1.000) genetic divergence between populations except between Laguna de Bay and Lake Bato, Laguna de Bay and Lake Buhi, and Lake Bato and Lake Buhi populations, which showed nonsignificant genetic differentiation. Lake Buluan and Lake Sebu populations showed moderate genetic differentiation (FST = 0.098). Neutrality tests showed significant negative Tajima’s D and Fu’s FS values only for the population from Laguna de Bay, which suggests that the population is undergoing expansion. These results are important for establishing scientifically sound strategies for effective conservation and sustainable exploitation of G. aureus in the Philippines.

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