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Migration patterns and habitat use of the tapertail anchovy Coilia mystus in the Oujiang River Estuary and the Zhujiang River Estuary, China
Tao Jiang, Hongbo Liu, Honghui Huang, Jian Yang
doi: 10.1007/s13131-019-1436-0
Habitat use of the tapertail anchovy (Coilia mystus Linnaeus, 1758) from the Oujiang River Estuary and the Zhujiang (Pearl) River Estuary was studied by examining the environmental signatures of Sr and Ca in otoliths using electron probe microanalysis. Individuals from the Oujiang River had higher and varied Sr:Ca ratios (expressed as (Sr:Ca)×1 000, 3.83–13.0 average) in the otolith core regions, suggesting that they were born in brackish or sea waters, and that a freshwater habitat might not be necessary for egg hatching and larval growth. While, individuals from the Zhujiang River had lower Sr:Ca ratios (0.39–2.51 average) in the core regions, suggesting a freshwater origin. After hatching, anchovies from the Zhujiang River migrate downstream to the river estuary close to brackish water. Our results demonstrated varied habitat use for spawning during stages of early life history between the two populations, and suggested that such variations are promoting diversity of life history strategies of this species.
key words: Coilia mystus, Oujiang River Estuary, Zhujiang (Pearl) River Estuary, habitat use, otolith microchemistry
Taxonomic notes on Anthomedusae (Cnidaria: Hydrozoa: Hydroidomedusa) from the south-central South China Sea, with a new genus and four new species
Feiyan DU, Lianggen WANG, Zhenzu XU, Jiaqi HUANG, Donghui GUO
doi: 10.1007/s13131-018-1310-5
This study describes and illustrates four new species Laticanna nanhaiensis Xu, Huang and Wang, gen. nov. and sp. nov., Protiaropsis gemmifera Xu, Huang and Du, sp. nov., Merga nanhaiensis Xu, Huang and Guo, sp. nov. and Rhabdoon apiciloculus Xu, Huang and Du, sp. nov. based on specimens from the south-central South China Sea. Additionally, keys to known genera of family Bythotiaridae and species of genera Protiaropsis, Merga, and Rhabdoon are described. All type specimens are deposited in the South China Sea Fisheries Research Institute, Chinese Academy of Fishery Science.
key words: Hydroidomedusae, Bythotiaridae, Pandeidae, Tubulariidae, new genus and species, South China Sea
Taxonomic notes on Hydroidomedusae (Cnidaria) from the South China Sea IV: Family Bougainvilliidae (Anthomedusae)
Donghui GUO, Zhenzu XU, Jiaqi HUANG, Mao LIN, Chunguang WANG
doi: 10.1007/s13131-018-1308-z
This study reviews all genera and species belonging to the family Bougainvilliidae from the South China Sea. The Nubiella atentaculata Xu and Huang, 2004 formerly included in the genus Nubiella, now is transferred to a new genus Paranubiella and included in the Bougainvilliidae as Paranubiella atentaculata (Xu and Huang, 2004) n. comb.. Two new species, Paranubiella nanhaiensis Xu, Huang and Guo, sp. nov. and Nubiella apapillaris Xu, Huang and Guo, sp. nov. from the South China Sea are described and illustrated in the present paper. In addition, the key to known genera of family Bougainvilliidae and species of genus Nubiella are described. Other data are briefly summarized to the list of species presented on the family Bougainvilliidae in the South China Sea. The type species were deposited at the Third Institute of Oceanography, State Oceanic Administration.
key words: Anthomedusae, Bougainvilliidae, new genus, new species, new combination, South China Sea

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