A new record of Schistura reticulata from Myanmar with a note on fish diversity of Yu River Author Shangningam, Bungdon Author Kosygin, Laishram text Records of the Zoological Survey of India 2022 2022-06-07 122 1 57 63 journal article 10.26515/rzsi/v122/i1/2022/158031 2581-8686 10956276 Schistura reticulata ( Vishwanath & Nebeshwar, 2004 ) ( Figure 2 ) ( Neomacheilus vinciguerrae (non Hora, 1935): Menon, 1987: 134 (Chindwin basin, Manipur , India ). Schistura reticulate Vishwanath & Nebeshwar, 2004: 15 (4) 323-330, ( type locality-Maklang, Lokchao and Wanze streams of Manipur , India , Chindwin Basin ) Material examined : 37 exs, 35.0- 64 mm SL, Myanmar , Sagaing region , Tamu District , Yu River near Tamu , 24˚13N 94˚19E, 21-22-xii-2018 , coll. Shangningam (ZSI FF8051) . Description : Body slightly depressed and compressed anteriorly, more compressed posteriorly. Body entirely covered with embedded scales except on belly in front of pelvic fins. In predorsal area, scales widely scattered. On caudal peduncle, scales patially overlapping. Lateral lines complete with 84-102 scales. Axillary pelvic lobe present. No marked adipose crest on caudal peduncle. Largest recorded size 64 mm SL Dorsal fin with 3 simple and 8½ branched rays its distal margin straight. Pectoral fin with 1 simple and 10-11 branched rays, tip of fin situated between its base and pelvic-fin origin. Pelvic fin with 1 simple and 8 branched ray situated opposite vertical to the 3rd branched rays of dorsal fin. Anal fin with 3 simple and 5½ branched rays its longest ray not reaching caudal-fin base. Caudal fin forked with 8+7 branched rays. Table 1. Systematic checklist, common name, IUCN status and remarks of the fish fauna of Yu River, Myanmar
Common Name IUCN status Remarks
Phylum CHORDATA Subphylum VERTEBRATE (CRANIATA) Super class GNATHOSTOMATA Class ACTINOPTERYGII Division TELEOSTEI Subdivision OSTEOGLOSSOMORPHA Order OSTEOGLOSSIFORMES
Family NOTOPTERIDAE (Bleeker, 1859)
1. Notopterus notopterus (Pallas, 1769) Bronze featherback LC Native
Subdivision OSTARIOCLUPEOMORPHA
Superorder OSTARIOPHYSI
Order CYPRINIFORMES
Family CYPRINIDAE (Rafinesque, 1815)
Subfamily CYPRININAE
2. Neolissochilus stracheyi (Day, 1871) Mahseer LC Native
Subfamily BARBINAE
3. Hypsibarbus myitkyinae (Prasad & Mukerji, 1929) LC Native
4. Pethia stoliczkana (Day, 1870) NA Native
5. Puntius chola (Hamilton, 1822) Swamp barb LC Native
6. Puntius sophore (Hamilton, 1822) Pool barb LC Native
Subfamily LABEONINAE
7. Bangana devdevi (Hora, 1936) LC Native
8. Garra gravelyi (Annandale, 1919) NT Endemic
9. Garra sp. 1 NA Native
10. Garra sp. 2 NA Native
11. Garra sp. 3 NA Native
12. Tariqilabeo burmanicus (Hora, 1936) LC Native
13. Labeo dyocheilus (M’Clelland, 1839) LC Native
Subfamily RASBORINAE (Danioninae)
14. Amblypharyngodon mola (Hamilton, 1822) Molacarplet LC Native
15. Cabdio morar (Hamilton, 1822) Morari LC Native
16. Devario deruptotaleae (Ramananda & Vishwanath, 2014) LC Native
17. Esomus danrica (Hamilton, 1822) Flying barb LC Native
18. Opsarius barnoides (Vinciguerra, 1890) LC Native
19. Opsarius dogarsinghi (Hora, 1921) VU Native
20. Rasbora sp NA Native
Family PSILORHYNCHIDAE (Hora, 1925)
Common Name IUCN status Remarks
21. Psilorhynchus magnaoculus (Shangningam & Kosygin, 2021) NA Native
Family COBITIDAE (Fitzinger, 1832)
22. Acantopsis spectabilis (Blyth, 1860)
23. Lepidocephalichthys guntea (Hamilton, 1822) Guntea loach LC Native
24. Pangio pangia (Hamilton, 1822) Loach LC Native
Family BALITORIDAE (Swainson, 1839)
25. Balitora burmanica (Hora, 1932) Burmese stone loach LC Endemic
26. Homalopteroids rupicola (Prashad & Mukerji 1929) LC Endemic
Family NEMACHEILIDAE (Regan, 1911)
27. Schistura reticulata ( Vishwanath & Nebeshwar, 2004 ) Loach EN Native
28. Schistura kangjupkhulensis (Hora, 1921) Stone loach EN Native
29. Schistura sp.
Order SILURIFORMES
Family SISORIDAE (Bleeker, 1858)
30. Glyptothorax yuensis Shangningam & Kosygin, 2022 Catfish
31. Glyptothorax sp 2 . Catfish
Family SILURIDAE (Cuvier, 1816)
32. Ompok bimaculatus (Bloch, 1794) Butter catfish NT Native
33. Pterocryptis sp.
Family CLARIIDAE (Bonaparte, 1846)
34. Heteropneustes fossilis (Bloch, 1974) Stinging catfish LC Native
Family BAGRIDAE (Bleeker, 1858)
Subfamily Bagrinae
35. Batasio affinis (Blyth, 1860) Catfish DD Native
36. Batasio sp.
37. Mystus pulcher (Chaudhuri, 1911) LC Native
Subdivision EUTELEOSTEI
Superorder ACANTHOPTERYGII
Series ATHERINOMORPHA
Order CYPRINODONTIFORMES
Family BELONIDAE (Collette, 2003)
38. Xenentodon cancila (Hamilton, 1822) Freshwater garfish LC Native
Family APLOCHEILIDAE (M′ Clelland, 1838)
39. Aplocheilus panchax (Hamilton, 1822) Blue panchax LC Native
Series PERCOMORPHA
Order SYNBRANCHIFORMES
Common Name IUCN status Remarks
Family SYNBRANCHIDAE (Swainson, 1838)
40. Monopterus javanensis (La Cepède, 1800) Swamp eel LC Introduced
Family MASTACEMBELIDAE (Swainson, 1839)
41. Macrognathus morehensis (Arunkumar & Tombi, 2000) Eel LC Native
42. Mastacembelus armatus (La Cepède, 1800) Zig zag eel LC Native
Order PERCIFORMES
Family BADIDAE ( Barlow, Liem & Wickler, 1968)
43. Badis ferrarisi (Kullander & Britz, 2002) LC Native
44. Badis sp.
Family GOBIIDAE (Cuvier, 1816)
45. Glossogobius giurus (Hamilton, 1822) Tank goby LC Native
Family ANABANTIDAE (Bonaparte, 1831)
46. Anabas testudineus (Bloch, 1792) Climbing perch DD Native
Family OSPHRONEMIDAE (van der Hoeven, 1830)
47. Trichogaster labiosa (Day, 1877) LC Native
48. T. faciatus (Blotch, 1801) LC Native
Family CHANNIDAE (Fowler, 1934)
49. Channa gachua (Hamilton, 1822) Snakehead LC Native
Mouth semicircular, lips moderately thick, upper lip with a very small median incision, with some slightly marked median furrows. Lower lip with a deep median incision, median lobes with 5-6 well marked furrows and rest of lip plain. Processus dentiformis present, but not prominent. No median notch in upper jaw, inner rostral barbel not reaching corner of mouth, outer one just reaching corner of mouth. Sexual dimorphism : Male with large suborbital flap. In females, ventral surface between pectoral fin rays having closely set minute tubercles. Coloration : Body yellowish brown with 17-29 dark brown bars, bars in front ofdorsal fin thin, thicker behind dorsal fin. Interspace of bars ½ bars width anteriorly, gradually becoming as wide as bars on caudal peduncle. Some bars in front of dorsal-fin origin split vertically into two (or more) as they extend from back to sides, sometimes very close or fused with adjacent bars. Bars behind dorsal fin not divided. Dorsal surface of head and snout densely spotted or uniformly dark brown. Dorsal fin with a black spot at base of simple and first branched rays. Branched dorsal rays with 1-3 rows of dark spots,caudal fin with 2-3 irregular v-shaped rows of spots, pelvic and anal fins with black marks in middle.
Distribution : India : Manipur , Maklang, Lokchao and Wanze streams (Chindwin- Ayeyarwady drainage); Myanmar : Yu River, Sagaing region . IUCN status : Endangered.