Scientific Name: Butis butis (Hamilton, 1822)

Synonym: Cheilodipterus butis (Currently unaccepted)

English Name: Duckbill sleeper
Local/Bangla Name: Baila (বাইলা)
indigenousbonyfish : Butis butis - Duckbill sleeper - Baila (বাইলা)

Photo: Sahat Ratmuangkhwang (Fishbase)

Classification:
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Gobiiformes
Family: Eleotridae
Description:
D1 V+I; D2 I/8; P1 22; P2 5; A I/8. Color of body dark, head and body with reddish spots, first dorsal black with red tip; other fins dusky; base of pectoral with black spot. Body elongate, slightly compressed; head pointed and depressed; lower jaw prominent; maxilla extend to below anterior margin of eye; teeth in many rows; outer rows in both jaws enlarged; 2-3 pores on posterior margin of pre-opercle. Caudal fin obtuse. Body scaly; ctenoid scales between eye and orbital crest.
Habitat & Distribution in Bangladesh:
Occurs in the estuaries and the Bay of Bengal.
Environment:
Freshwater, Brackish (Demersal)
References:

Rahman AKA (2005) Freshwater Fishes of Bangladesh. 2nd ed. Zool. Soc. Bangladesh, Dhaka, Bangladesh. xviii + 394 pp.

Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hasan MA, Khondker M and Rahman MM (eds.) (2007) Encyclopedia of Flora and Fauna of Bangladesh. Vol. 23. Freshwater Fishes. Asiatic Society of Bangladesh, Dhaka. 300+xxxi. pp.

DNA Barcodes from Bangladesh
GenBank Accession Number:
COI: MH827972  
Other DNA Barcodes & Nucleutide Sequences
Global IUCN conservation status:
Other Information