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Plio-Pleistocene sea level and temperature fluctuations in the northwestern Pacific promoted speciation in the globally-distributed flathead mullet Mugil cephalus
TLDR
This study successfully identified three cryptic species in M. cephalus inhabiting the NW Pacific, using a combination of microsatellites and mitochondrial genetic markers, indicating that speciation has been achieved.
Formation of a metamorphosis check in otoliths of the amphidromous goby Sicyopterus japonicus
TLDR
Otolith microstructure, micro-chemistry (Sr/Ca) and morphological changes were examined across ontogenetic stages and environments (estuarine and a freshwater stream) and the otolith Sr/Ca ratios were higher in the estuary than in the stream environment.
Reproductive strategy and recruitment dynamics of amphidromous goby Sicyopterus japonicus as revealed by otolith microstructure
TLDR
periodic analysis indicated that LT and growth rate of the larvae were inversely correlated with the age at recruitment, which means that the fast-growing individuals recruited earlier, which facilitated the widespread distribution of the fish along the coasts of East Asia.
Species Composition and Seasonal Occurrence of Recruiting Glass Eels ( Anguilla spp . ) in the Hsiukuluan River , Eastern Taiwan
(Anguilla spp.) in the Hsiukuluan River, Eastern Taiwan Nico Jose Leander1, Kang-Ning Shen1, Rung-Tsung Chen3, and Wann-Nian Tzeng1,2,4,* 1Institute of Fisheries Science, National Taiwan Univ.,
Population genetic structure of Mugil cephalus in the Mediterranean and Black Seas: a single mitochondrial clade and many nuclear barriers
TLDR
The population structure and evolutionary history of Mugil cephalus were investigated across 18 sampling sites in the NE Atlantic Ocean, Mediterranean and Black Seas, and 2 classes of genetic markers revealed the importance of this strait as a barrier to gene flow, probably during the Pleistocene.
Occurrence of Anguillicola crassus (Nematoda: Dracunculoidea) in Japanese eels Anguilla japonica from a river and an aquaculture unit in SW Taiwan.
TLDR
Infrapopulations of A. crassus in Japanese eels are regulated by the defense system of this host, intraspecific density-dependent regulation being less likely as the major regulatory mechanism.
Species boundaries in the Himantura uarnak species complex (Myliobatiformes: Dasyatidae).
TLDR
One of the clusters was identified as H. undulata and another one, while two cryptic species were uncovered within the recently-described H. leoparda, challenging the current morphology-based taxonomy of species within the H. uarnak species complex.
USE OF OTOLITH MICROCHEMISTRY TO INVESTIGATE THE LIFE HISTORY PATTERN OF GOBIES IN A TAIWANESE STREAM
TLDR
This study reveals that Sr/Ca ratios in otoliths can be used as indicators of a fish's past life history, and indicates that the 8 amphidromous species migrate to a marine environment during early life and back to fresh water at a later stage.
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