Đặc điểm sinh sản của cá thòi lòi Periophthalmodon schlosseri (Pallas, 1770) ở ven biển Bạc Liêu và Sóc Trăng

Nghiên cứu này cung cấp đặc điểm sinh học sinh sản của cá Thòi lòi, Periophthalmodon schlosseri, làm cơ sở cho nghiên cứu sinh sản nhân tạo chúng. Cá Thòi lòi phân bố vùng ven biển Đồng bằng sông Cửu Long bao gồm cả Bạc Liêu và Sóc Trăng. | TAP CHI SINH HOC2019 41 2se1 amp 2se2 229 240 DOI 0866-7160 v41n2se1 amp REPRODUCTIVE BIOLOGY OF Periophthalmodon schlosseri Pallas 1770 ALONG THE COASTLINE IN SOC TRANG AND BAC LIEU Tran Thanh Lam1 Son Sa Men2 Vo Ngoc Minh Chau2 Hoang Duc Huy3 Dinh Minh Quang2 1 Bac Lieu University Bac Lieu Vietnam 2 Can Tho University Can Tho Vietnam 3 Univeristy of Science - VNUHCM Ho Chi Minh city Vietnam Received 10 August 2019 accepted 28 September 2019 ABSTRACT This study provided data on reproductive biology of Periophthalmodon schlosseri for applying its reproduction and breeding in aquaculture. This species lives along the coastline in the Mekong Delta including Soc Trang and Bac Lieu Provinces. Data analysis results of 1 137 individuals 486 collected in Soc Trang from 1 2018 to 12 2018 and 651 collected in Bac Lieu from 10 2018 to 9 2019 showed that the sex ratio was close to 1 1. The species was belonged to multiple spawner category releasing eggsthroughout a year 11 12 months in Soc Trang and 12 12 months in Bac Lieu . Both male and female P. schlosseri matured firstly at the length of gt cm and this value of males was higher than that in females. Batch fecundity of this fish was in Bac Lieu 53 402 2 992 eggs females was higher than that in Soc Trang 41 822 2 700 eggs females but its egg diameter was not significantly different. Keywords Periophthalmodon schlosseri fecundity length at first mature mudskipper Bac Lieu Soc Trang. Citation Tran Thanh Lam Son Sa Men Vo Ngoc Minh Chau Hoang Duc Huy Dinh Minh Quang 2019. Reproductive biology of Periophthalmodon schlosseri Pallas 1770 along the coastline in Soc Trang and Bac Lieu. Tap chi Sinh hoc 41 2se1 amp 2se2 229 240. https 0866-7160 v41n2se1 amp . Corresponding author email dmquang@ 2019 Vietnam Academy of Science and Technology VAST 229 TAP CHI SINH HOC 2019 41 2se1 amp 2se2 229 240 DOI 0866-7160 v41n2se1 amp ĐẶC ĐIỂM SINH SẢN CỦA CÁ .