International Journal of Fisheries and Aquatic Studies 2020; 8(2): 241-248

E-ISSN: 2347-5129 P-ISSN: 2394-0506 (ICV-Poland) Impact Value: 5.62 Preliminary investigation on the occurrence of some (GIF) Impact Factor: 0.549 IJFAS 2020; 8(2): 241-248 estuarine ichthyofauna around Mein Ma Hla Island, © 2020 IJFAS www.fisheriesjournal.com Township, district, Ayeyawady Region, Received: 04-01-2020 Accepted: 06-02-2020

Khin Myo Myo Tint Assistant Lecturer, Marine Khin Myo Myo Tint, Swe Thwin, Tint Swe, San Tha Tun and Thura Htun Science Department, Mawlamyine University, Myanmar Abstract Surveys on occurrence of some estuarine ichthyofauna around Mein Ma Hla Island, , Swe Thwin Pya-pon District in Ayeyawady Region were carried out during March 2018 to May 2019. Totally 74 fish Professor and Head (Retd), species of 60 genera under 43 families, belonging to 11 orders; Carcharhiniformes, Myliobatiformes, Marine Science Department, Torpediniformes, Anguilliformes, Clupeiformes, Anabatiformes, Cichlifromes, Cypriniformes, Mawlamyine University, , Pleuronectiformes and Tetraodontiformes, were systematically identified according to their Myanmar external morphological characteristics except the family Scianidae which were needed to identify based on their swim bladder characters. during the study period. In comparison the occurrence of the number of Tint Swe fish species in monsoon seasons to environmental parameters (Rainfall (mm) and Temperature (°F), Professor and Head (Retd), around Mein Ma Hla Island, there were discovered 69 - 73 species in every single months of monsoon Marine Science Department, season at the temperature 80.6 °F – 82.4 °F and rainfall 63.9 mm – 167.13 mm, 35 – 50 species in Mawlamyine University, individual months of pre monsoon at the temperature 64.2 °F – 94.8 °F and rainfall 0 mm – 59.66 mm Myanmar and 48 – 32 species in each months of post monsoon at the temperature 82.4 °F – 84.2 °F and rainfall San Tha Tun 29.9 mm – 234 mm. Professor and Head, Marine Science Department, Keywords: Environmental parameters, estuarine, ichthyofauna, Mein Ma Hla Island, monsoon seasons, Mawlamyine University, occurrence Myanmar Introduction Thura Htun Ayeyawady region is the biggest delta area in Myanmar which has a long coastal line between Demonstrator, Marine Science Department, Sittway University, the Bay of Bengal to the west, and the Andaman Sea to the east. Fisheries sector in Myanmar Ayeyawady region including inland fisheries and offshore fisheries are one of the most important commercial functions and as a role of domestic or export incomes for Myanmar. In the 2015‐2016 fiscal year, the total fish production in Myanmar was 5.59 million metric tons (Department of Fisheries, 2017). Moreover, this Delta region supports the highest land

productivity, moderately high rainfall, generally flat topography and an excellent environment for agriculture’ (ADB 2013). Additionally, there are many principal islands in Ayeyawady Region including Haing Gyi Kyun, Leit Kyun (Turtle Island), Pyin Salu Kyun and Mein Ma Hla Kyun :Beautiful Lady Island. (Kyun means Island in Burmese Word) which are representing a decent biodiversity of it.

Among these islands, Mein Ma Hla Island wildlife sanctuary is a wetland reserve in Myanmar’s Ayeyawady Delta which was established in 1993. It is also classified as a ecosystem reserve and occupies an area of 137 square kilometers (52.79 sq mi). Likewise, it has been designated as Ramsar Wetland in 2017 and also an ASEAN Heritage Park. (https://en.wikipedia.org/wiki/Meinmahla_Kyun_Wildlife_Sanctuary) It supports one of

the largest remaining mangrove areas of the Delta, where mangrove ecosystems have declined due to activities including logging, fishing and development of shipping lanes. (sis.ramsar.org) Mein Ma Hla Island (Pretty Women Island) is far twelve miles from Bogalay Township and Corresponding Author: locates the south western part of Bogalay Township, Pya-pon District in Ayeyawady Region Khin Myo Myo Tint (Fig. 1). In addition, Mein Ma Hla Island is about 16 miles long from south to north and its Assistant Lecturer, Marine Science Department, width is 6 miles (at its widest middle) from west to east. Moreover, a sister island west of Mawlamyine University, Mein Ma Hla Island is Byone-mway island while the two smaller sister islands in the east are, Myanmar ~ 241 ~ International Journal of Fisheries and Aquatic Studies http://www.fisheriesjournal.com from North to South, Law-ka-dat Island and Dee-doke Island. season from March to June. Besides, common fishing gears such as bag nets, beach Moreover, there were defined as 14 stations to amass fish surrounding nets, drift nets, portable cast nets, man push nets, samples including; 7 stations on the west of Mein Ma Hla long line nets, set gill nets and trammel nets are mostly used Island and 6 stations on the east of Mein Ma Hla Island; 1) in artisanal fishery of surrounding waters of Mein Ma Hla Kant Ma Lar Chaung village, 2) Aung Chan Thar village, 3) Island. Accordingly, the intentions of preliminary Sein Ya Ti village, 4) Htaw Paing village, 5) Yway Chaung investigation on the occurrence of some estuarine village, (6) Kwin Thar Yar village, 7) Ka-don-ka-ni fish ichthyofauna around Mein Ma Hla Island are as the following landing center, 7) Chaung Byal Gyi village, 8) Kan Seik factors; 1) to record which species of estuarine ichthyofauna village, 9) Mee Laung Kwin village, 10) Gway Chaung Gyi were occurred around Mein Ma Hla Island, and 2) to provide village, 11) Ma Pwe Tan village, 12) Nga Poak Tin village, an elementary informational data for further observing (in 13) Pa Dae Gaw village and 14) La Wine village. Academic) based on the study of estuarine fishes along the Mein Ma Hla Island. Data collections and methods used: Fish samples were randomly collected along the navigable channel with active Materials and Methods functions near the fish landings of Mein-ma-hla island while Study Area: Occurrence of fish species around Mein Ma Hla fishermen were processing seen personally (active condition). Island, Bogale Township, Pya-pon district in Ayeyawady Sometimes some fishes were mostly collect from the bag nets Region was carried out totally 15 months, from March 2018 which are put on along the river current and some from beach to May 2019. Mein Ma Hla Island locates between East Long. surrounding nets, cast nets, man push nets as personally 95º 14′ and 95º 20′; and between North Lat. 15º 15′ and 16º witnessed. Some fish species at the fresh condition were 05′; the area of this sanctuary is 52.78 square miles. That measured with specific scale (in centimeter) and some species island lies in a north-south direction and is 16 miles long from that they could not be certainly identified at once were kept north to south and 6 miles wide from west to east at its widest with 5-10% formaldehyde solution. Besides that, the smallest middle. That island is in the Bogale River; however, that part sample, difficult to identify easily, was identified by using of the river west of the island is called the Kadon-kani River magnifying glass for detail analyzing and classifications. and the east part of it is called Bogale River. During the rainy Common fishing gears such as bag nets, beach surrounding season, salinity of Mein Ma Hla Island is minimum 0‰ and nets, drift nets, portable cast nets, man push nets, long line maximum is 7‰ due to the drainage and during the rest nets, set gill nets and trammel nets are mostly used in artisanal seasons, salinity is minimum 7‰ and maximum is 11‰. (‰ fishery of surrounding waters around the study area. (Part Per Thousand) – unit of salinity) The local climate is Morphological identifications of collected fish species were highly seasonal, with monsoon rains from July to September, made not only depending upon their characteristics but also a cool, dry season from October to February, and a hot dry following up by the FAO species identification sheets.

16°06′N 95°12′E

Fig 1: Map showing data collection sites around Mein Ma Hla Island; 1) Kant Ma Lar Chaung village, 2) Aung Chan Thar village, 3) Sein Ya Ti village, 4) Htaw Paing village, 5) Yway Chaung village, (6) Kwin Thar Yar village, 7) Ka-don-ka-ni fish landing center, 7) Chaung Byal Gyi village, 8) Kan Seik village, 9) Mee Laung Kwin village, 10) Gway Chaung Gyi village, 11) Ma Pwe Tan village, 12) Nga Poak Tin village, 13) Pa Dae Gaw village and 14) La Wine village. (Source- Google Earth) ~ 242 ~ International Journal of Fisheries and Aquatic Studies http://www.fisheriesjournal.com

Results and Discussion Ayeyawady Region was described as the following checklist. During the study period, the occurrence of fish species around (Table 1) Mein Ma Hla Island, Bogale Township of Pya-pon District in

Table 1: The occurrence of fish species around Mein Ma Hla Island, Bogale Township of Pya-pon District in Ayeyawady Region was described as the following checklist

Scientific Name Common name (English) Local name (Myanmar) Scoliodon laticaudus Borneo-shark Nga-mann-pauk Brevitrygon imbricata Scaly whipray Nga-leik-kyouk Brevitrygon walga Dwarf whipray Leik-kyouk Gymnura poecilura Longtail butterfly ray Nga-leik-kyouk Narcine brunnea Brown numbfish Nga-latt-htone Congresox talabon Yellow pike conger Thin-baung-htoe Anodontostomata chacunda Chacunda gizzard shad Nga-wan-pu Tenualosa ilisha Ilisha shad Nga-tha-lauk Tenualosa toil Toli shad Nga-tha-lauk-youk-pha Sardinella gibbosa Gold stripe Sardinella Nga-gone-nyo Coilia dussumieri Gold-spotted grenadier anchovy Mee-tan-twal Coilia macrognathos Longjaw grenadier anchovy Nga-kyan-ywet Coilia rebentischii Many-fingered grenadier anchovy Nga-kyan-ywet Setipinna wheeleri Burma hairfin anchovy Nga-byar Setipinna taty Scaly hairfin anchovy Nga-byar Stolephorus indicus Indian anchovy Nga-ni-tu Stolephorus commersonii Commerson’s anchovy Nga-ni-tu Thryssa hamiltonii Hamilton’s thryssa Nga-yae-kyi Ambassis gymnocephalus Bald Glassy Nga-zin-zat Parambassis ranga Indian glassy perch Nga-zin-zat/Kyaung-ma-sar Arius maculatus Spotted catfish Nga-yaung Mystus vittatus Day’s mystus Nga-zin-yine Mystus bleekeri Striped Dwarf catfish Nga-zin-yine Lates uwisara Giant sea perch Ka-ka-tit Oreochromis niloticus Nile tilapia Salapia Osteobrama belangeri Carplet Nga-phan-ma Osteobrama cunma Carplet Nga-phan-ma Labeo rohita Rohu labeo Nga-myint-chin polota Siamese Tigerfish/ Silver Datnoid Nga-kyar Toxotes chatareus Large Scale Archer fish Nga-kyar Drepane punctate Spotted sicklefish Sin-na-ywet Glossogobius giuris Tank goby Ka-tha-boe/Nga-shar-boe Harpadon nehereus Bombay duck Nga-hnut Leiognathus splendenus Common ponyfish Nga-din-gar Leiognathus equulus Splendid ponyfish Nga-din-gar Lutjanus argentimaculatus Mangrove red snapper Nga-par-nee Liza vaigiensis Squaretail Mullet Ka-be-lu Mugil cephalus Flathead mullet Ka-be-lu Sicamugil cascasia Bluespot mullet Ka-be-lu Valamugil seheli Yellow tailed mullet Ka-be-lae fasciata Banded Nga-pyin-tha-let Trichogaster labiosa Thick Lipped Gourami Nga-pyin-tha-let Plotosus canius Black eeltail catfish Pin-lal-nga-khu Eleutheronema tetradactylum Four finger thread fin Za-yaw-gyi/Nga-ywae Polynemus indicus Indian thread fin Ka-khu-yan Polynemus paradiseus Paradise threadfin Ka-khu-yan/Kywal-yin Pomadasys argenteus Silver grunt/ silver javelin Nga-gone Pomadasys kaakan Javelin Grunt Nga-gone Periophthalmodon schlosseri Giant mudskipper Nga-Pyan Platycephalus indicus Bartail flathead Nga-sin-ninn Scatophagus argus Spotted cat Nga-khet/Nga-bee Chrysochir aureus Reeve’s croaker Thin-war Johnius coitor Coitor croaker Ka-tha-myin/Nga-poat-tin Otolithoides pama Pama croaker Nga-poat-tin/Nga-byat Otolithes ruber Tigertooth croaker Nga-poat-thin/Thin-phyu Pennahia macrocephalus Big-head pennah croaker Gaung-pwa Ompok bimaculatus Butter catfish Nga-nu-tann Anabas testudineus Climbing perch Nga-pyay-ma Channa harcourbutleri Burmese snakehead Nga-yant Sillago sihama Silver sillago Nga-pa-lway Sillaginopsis panijus Whiting sillago Nga-pa-lway ~ 243 ~ International Journal of Fisheries and Aquatic Studies http://www.fisheriesjournal.com

Pampus chinensis Chinese Silver Pomfret Nga-moat Terapon jarbua Jarbua therapon Nga-gone-kyar Lepturacanthus savala Savalani hairtail Nga-ta-gone Cynoglossus arel Large scale tongue sole Nga-khway-shar Cynoglossus bilineuatus Fourlined tongue sole Khway-shar Cynoglossus lingua Long tongue sole Shar lay Symphurus septemstraitus Seven band tongue sole Nga-khway-shar Pseudorhombus arsius Largetooth flounder Nga-khwey-shar Psettodes erumei Indian halibut Nga-latt-kyte Euryglossa harmandi Harmand’s Sole Khway-shar-wine Lagocephalus lunaris Golden Puffer Nga-pu-tinn Dichotomytere nigroviridis Lunartail Puffer Nga-pu-tinn Auriglobus naritus Green spotted Puffer Nga-pu-tinn

According to the checklist of some estuarine ichthyofauna orders; Carcharhiniformes, Myliobatiformes, around Mein Ma Hla Island of Bogale Township, Pya-pon Torpediniformes, Anguilliformes, Clupeiformes, District, Ayeyawady Region during the study period from Anabatiformes, Cichlifromes, Cypriniformes, Perciformes, March 2018 to Feb 2019, there were established totally 74 Pleuronectiformes and Tetraodontiformes fish species of 60 genera under 43 families, belonging to 11

Table 2: Distribution of some estuarine ichthyofauna around Mein Ma Hla Island during the study period

Name of Species St.1 St.2 St.3 St.4 St.5 St.6 St.7 St.8 St.9 St.10 St.11 St.12 St.13 St.14 Conservation Status (IUCN list) Scoliodon laticaudus ------+ ------NT Brevitrygon imbricata - - - - - + + + + - - - - - DD Brevitrygon walga - - - - - + + ------NT Gymnura poecilura - - - - - + + ------NT Narcine brunnea - - - + + + ------LC Congresox talabon - - - - + + + + ------NE Anabas testudineus + + + + + + + + + + + + + + DD Channa harcourbutleri + + + ------+ + + NT Anodontostomata chacunda - - - + + + + + + + - - - - LC Tenualosa ilisha + + + + + + + + + + + + + + LC Tenualosa toli + - - + + + + + + + + + - - VU Sardinella gibbosa ------+ ------LC Coilia dussumieri - - + + + + + + + + + + + + LC Coilia macrognathos + + + + + + + + + + + + + + DD Coilia rebentischii - - + + + + + + + + + - - - DD Setipinna wheeleri + + + + + + + + + + + + + + DD Setipinna taty - - - + + + + + + + - - - - LC Stolephorus indicus + + + + + + + + + + + + + + LC Stolephorus commersonii + + + + + + + + + + + + + + LC Thryssa hamiltonii + + + + + + + + + + + + + + LC Oreochromis niloticus + + ------+ LC Osteobrama belangeri + + + + + + + + + + + + + + NT Osteobrama cunma + + + + + + - - + + + + + + LC Labeo rohita + + ------+ - + LC Arius maculatus + + + + + + - - + + + + + + NE Mystus vittatus + + + ------+ + + LC Mystus bleekeri + + + + - - - - - + + + + + LC Lates uwisara + + + + + + + + + + + + + + LC Datnioides polota + + - - - - - + - + - - + - LC Toxotes chatareus + ------+ NE Drepane punctata - - + + + - - - - - + - - - NE Glossogobius giuris - - - + - - + ------LC Harpadon nehereus - - - - - + + ------NT Leiognathus splendenus - - - - - + + + ------LC Leiognathus equulus - - - - + + + + + + - - - - LC Lutjanus argentimaculatus - - - - + + + ------LC Liza vaigiensis - - - + + + + + ------LC Mugil cephalus + + + + + + + + + + + + + + LC Sicamugil cascasia + + + + + + + + + + + + + + LC Valamugil seheli - - + + + + + + + + + + + + NE Trichogaster fasciata + + + + + + + + + + + + + + LC Trichogaster labiosa + + + + + + - - - - - + + + LC Plotosus canius + + + + + + + + + + + + + + NE Eleutheronema tetradactylum + + + + + + + + + + + + + + NE Polynemus indicus + + + + + + + + + + + + + + LC

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Polynemus paradiseus + + + + + + + + + + + + + + LC Pomadasys argenteus - - - + + + + + + + + + - - LC Pomadasys kaakan - - - + + - + - - + + + - - NE Periophthalmodon schlosseri + + + + + + + + + + + + + + LC Platycephalus indicus + + + + + + + + + + + + + + DD Scatophagus argus + + + + + + + + + + + + + + LC Chrysochir aureus + + + + + + + + + + + + + + NE Johnius coitor + + + + + + + + + + + + + + LC Otolithoides pama + + + + + + + + + + + + + + NE Otolithes ruber + + + + + + + + + + + + + + NE Pennahia macrocephalus - - + - - - + + - - + - - + NE Ompok bimaculatus + + + + + + + + + + + + + + NT Sillago sihama + + + + + + + + + + + + + + LC Sillaginopsis panijus - - - - - + + ------NE Pampus chinensis - - - - + + + + ------NE Terapon jarbua + + + + + + + + + + + + + + LC Lepturacanthus savala - - - - - + + + ------NE Cynoglossus arel + + + + + + + + + + + + + + NE Cynoglossus bilineuatus + + + + + + + + + + + + + + NE Cynoglossus lingua + + + + + + + + + + + + + + NE Symphurus sp. - - - + - + + - - + - + + + NE Pseudorhombus arsius - - + + + + + ------NE Psettodes erumei ------+ ------NE Euryglossa harmandi - - + + + + + + + - - - - - LC Lagocephalus lunaris - - - - - + ------LC Dichotomytere nigroviridis - - - - + + + + + - - - - - NE Auriglobus naritus - - - - - + + ------NE (+) – Present, (-) – Absent.

According to the species composition of some estuarine sampling sites). Moreover, some species are Not Evaluated ichthyofauna around Mein Ma Hla Island (Table 2), among 74 (NE), some are Data Deficient (DD), some are Least species which were recorded during the study period, 30 Concerned (LC), some are Near Threatened (NT) and some species under 16 families belonging to 5 orders of collected are Vulnerable (VU) in conservation status of IUCN list. fishes were collected in all of the sampling sites (totally 14

Table 3: Species composition of some estuarine fishes around Mein Ma Hla Island

Order Family Species Carcharhiniformes 1 1 1 Myliobatiformes 2 2 3 Torpediniformes 1 1 1 Anguilliformes 1 1 1 Anabatiformes 2 2 2 Clupeiformes 3 7 12 Cichliformes 1 1 1 Cypriniformes 1 2 3 Perciformes 26 35 40 Pleuronectiformes 4 5 7 Tetraodontiformes 1 3 3 Total 43 60 74

Fig 2: Percentage of fish species composition by orders during study period ~ 245 ~ International Journal of Fisheries and Aquatic Studies http://www.fisheriesjournal.com

Distribution of some estuarine fish species in study area belonging to the orders of Carcharhiniformes were quite There were designated as 6 sampling sites around the east part undiscovered during the study period although some orders of Mein Ma Hla Island to collect the data and the other 8 like Anabatiformes, Clupeiformes, Cypriniformes, sampling sites which are located on the west part of it were Perciformes and Pleuronectiformes were recorded most of the demarcated to amass the data collection. Fish species data collection sites in the eastern sampling sites. (Fig. 3)

Fig 3: Distribution of some estuarine fish species on the eastern sampling sites of Mein Ma Hla Island

The occurrence of fish species under the order sampling sites (Kadon-kani fish landing sites) and the other Torpeodiniformes was unobserved at 7 stations of western species belonging to the orders Anabatiformes, Clupeiformes, part during the study period. Additionally, only one species of Cypriniformes, Perciformes and Pleuronectiformes were order Carcharhiniformes were recorded at the number 6 abundantly ascertained during the study period. (Fig. 4)

Fig 4: Distribution of some estuarine fish species on the western sampling sites of Mein Ma Hla Island

Fish species occurrence in relation to the environmental temperature at the study areas, the less number of fish species parameters of Mein Ma Hla Island was recorded and inversely, the more increasing the rate of Throughout the study period, the occurrence on the number of rainfall in that areas, the more amount of fish species were fish species was distinctly high between mid-May to mid-Oct. discovered (Fig. 5) Furthermore according to the Figure 5, the higher the

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Fig 5: Relationships between the number of fish species and environmental parameters (Temperature (°F) and Rainfall (mm)) around Mein Ma Hla Island.

Fig 6: Seasonally occurrence of some estuarine ichthyofauna around Mein Ma Hla Island during the study period.

During the study period from February 2018 to May 2019, season and post monsoon season. Amongst the recorded Carcharhiniformes, Myliobatiformes, Torpediniformes, samples 74 species of 60 genera, Congresox talabon under the Anguilliformes, Anabatiformes, Clupeiformes, Cichliformes, family Muraenesocidae, Anodontostomata chacunda , Cypriniformes, Perciformes, Pleuronectiformes and Tenualosa toli, Tenualosa ilisha under the family Clupeidae, Tetraodontiformes under the classes; Elasmobranchii Lates uwisara under the family Centropomidae, Chrysochir (Cartilaginous) and (Bony fish) were identified aureus, Johinus coitor, Otolithoides pama, Otolithes ruber, around Mein Ma Hla Island. In the present investigation, a Pennahia microcephalus under the family Sciaenidae, total of 74 species belonging to the genera 60 under the 43 Pampus chinensis under the family Stomateidae, Terapon families were systematically identified in the study area. jarbua under the family Teraponidae, Lepturacanthus savala There were analyzed a total of 69 species of 56 genera under under the family Trichiuridae and Psettodes erumei under the 39 families belonging to the 8 orders collected from Mein Ma family Psettodidae from the study areas are important fish Hla Island. (Tint et al. 2015) species for export/local trade marketplace, additionally, some As a result, there can be reported 5 species, new records, fish species are valuable in domestic market. Ultimately, a Toxotes chatereus, Anabas testufineus, Channa total of 74 species of 60 genera under 43 families was harcourbutleri, Sillaginopsis panijus and Setipinna taty. observed including seasonal migration fishes, brackish and According to Figure 6, seasonally occurrence of some almost freshwater fishes. estuarine fish species around Mein Ma Hla Island in Monsoon seasons were more documented than the rest premonsoon

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Conclusion freshwater of India, Burma and Ceylon. 1878; 1:778, 2:1- As stated by the contemporary observations, the occurrence of 195. some estuarine ichthyofauna around Mein Ma Hla Island, 5. Whitehead PJP, Nelson GJ, Wongratana T. F.A.O. Bogalay Township, Pya-pon District in Ayeyawady Region Species Identification Sheets for Fishery purposes. continues to progressive the knowledge of their distribution Eastern Indian Ocean (fishery area 57) and Western and relation to environmental parameters (Temperature (°F) Central Pacific (Fishing area 71). Bony Fishes: Families and Rainfall (mm)). Otherwise, some fish species were more E, (unpaged). Food and Agriculture Organization of the verified at low salinity rate during monsoon time of a year for United Nations, Rome. 1974, 2. the reason that some come into and out of study area for 6. Hla Win, Swe Twin, Myint Pe, Maung Myint. breeding, migration, etc. In present study, three local fish Commercial fishes of Myanmar. Myanmar Fishery species; Setipinna wheeleri (Burma hairfin anchovy), Channa Processors and Exporters Association. 2008, 249. harcourbutleri (Burmese snakehead fish) and Lates uwisara 7. Howard R, Ahmad A, U Saw Han Shein. Shark and Ray (Giant Sea perch) were observed at almost every sampling Fisheries of Myanmar – status and socio-economic sites. Commonly called, crockers, herrings, Chinese pomfret, importance. Report No. 12 of the Tanintharyi Jarbua Terepon fishes and flatfishes supports as both export Conservation Programme, a joint initiative of Fauna & and local economic, essential fish species. Additionally, Flora International (FFI) and the Myanmar Forest related with the fisheries of that studied area, the sufficiency Department, FFI, Yangon, and the Bay of Bengal Large of fish supplies not only for the present entire people but also Marine Ecosystem project (BOBLME), 2015. for future generations as well as it can effect on the food 8. Jayaram KC. The freshwater fishes of India, Pakistan, security and poverty reduction. Therefore, some fishery Bangladesh, Burma and Sri Lanka. Government of India. information based on the occurrence of some estuarine 1981; 475, 1-8. ichthyofauna around Mein Ma Hla Island, Bogalay Township, 9. Khin Myo Myo Tint. A study on ichthyofauna of ka- Pya-pon District in Ayeyawady Region were chronicled and byar-wa coastal waters, ye township, mon state. supports of estuarine fish resources to local people were Unpublished M.Sc. Thesis. Department of Marine elucidated in this paper. Science, University of Mawlamyine, 2015. 10. Khin Myo Myo Tint. Occurrence of fish species around Acknowledgement Mein Ma Hla Island in the lower reaches of Bogalay I would love to express my special thanks of gratitude to my River. Unpublished MRes Thesis. Department of Marine teachers, Dr. Swe Thwin and Dr. Tint Swe, professor and Science, University of Mawlamyine, 2016. head (Retired) of Marine Science Department, Mawlamyine 11. Mya Than Tun. Marine Fishes of Myanmar (Pelagic and University, Daw Mi Mi Latt, Lecturer of Marine Science Demaersal). Marine Fisheries Resources Survey Unit, Department, Mawlamyine University as well as Dr. San Tha Department of Fisheries, Yangon. 2001; 1:276. Tun, professor and head of Marine Science Department, 12. Nelson JS. Fishes of the world. A Wiley Interscience Mawlamyine University who gave me many valuable advices Publication, John Wiley and Sons, New York. 1976; 416. on doing this research; occurrence of some estuarine 13. Sann Aung. Commercial Fishes of Myanmar Seas. ichthyofauna around Mein Ma Hla Island, Bogalay Township, Myanmar Academy of Agricultural, Forestry, Livestock Pya-pon District in Ayeyawady Region, which also guide me and Fishery Sciences. 2003; 1:111. in doing a lot of Research. I am truly appreciative to them. In 14. Tint Hlaing. A classified list of fishes of Burma the same way, I would like to describe my appreciation to U classification after Leo. S. Bery, 1949; Union of Burma. Thant Sin Aung (Department of Forestry, Bogale), U Zaw Journal of Life Science. 1971; 4:507-528. Htoo Aung (Department of Forestry, Magway), Mg Htet Min 15. Whitehead PJP, Nelson GJ, Wongratana T. Clupeoid Aung, Mg Kaung Khant Sis (Third year students from Marine fishes of the world (Suborder Clupeoidei). An annotated Science Department), Mg Aung Pyae Phyo Khaing (First year and illustrated catalogue of the herrings, sardines, honors student from Marine Science Department) and pilchards, sprats, anchovies and wolf-herrings. everyone who helped along the sample collection times. Engraulididae. Synop, (125). FAO species catalogue. 1988; 1(7):305-579, Pt.2. References 16. https://en.wikipedia.org/wiki/Meinmahla_Kyun_Wildlife 1. Aye Aye Ko, Kyi Tha Myint. Seasonal Occurrence of _Sanctuary. Freshwater Fish Species in Hlawga Wildlife Park, Yangon Region. University Research Journal. 2012; 4:1. 2. Baran E, Khin Myat Nwe, Tint Swe, Saw Han Shein, Phen Keomonyneath, Ros Sokvisal et al. Consultation of fishers on fishery resources and livelihoods in the Ayeyarwady Basin. Ayeyarwady State of the Basin Assessment (SOBA) Report 4.3. National Water Resources Committee (NWRC), Myanmar, 2017. 3. Baran E, Win Ko Ko, Zi Za Wah, Khin Myat Nwe, Ghataure G, Khin Maung Soe. Fisheries in the Ayeyarwady Basin. Ayeyarwady State of the Basin Assessment (SOBA) Report 4.1. National Water Resources Committee (NWRC), Myanmar. 2017. 4. Day FLS, FZS. The fishes of India, being a natural history of fishes known to inhibits at the seas and

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