Boesemania

Boesemania
Conservation status
	; Data Deficient (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Sciaenidae
Genus:	Boesemania; Trewavas, 1977
Species:	B. microlepis
Binomial name
	Boesemania microlepis; (Bleeker, 1858)
Synonyms
	Johnius microlepis Bleeker, 1858; Otolithoides aeneocorpus Fowler, 1935; Pseudosciaena microlepis (Bleeker, 1858);

Boesemania is a genus of freshwater fish in the family Sciaenidae. This genus contains the single species Boesemania microlepis.^[3]^[2] Also known as the Boeseman croaker and smallscale croaker, this fish lives in southeast Asian rivers.^[1]

Description

This is a relatively large species. It can reach 1 m (3.3 ft) in length and 18 kg (40 lb) in weight.^[4]

Distribution

Boesemania microlepis lives in the mainland Southeast Asia (Cambodia, Laos, Vietnam, and Thailand) as well as in Sumatra (Indonesia).^[1] It is found in several rivers such as the Mekong, Chao Phraya River, Mae Klong, Nan River, Tha Chin River, and Bang Pakong River.^[1]

Habitat and behaviour

This species appears to be sedentary. It prefers large, flowing rivers.^[1]^[4] During the peak of the dry season, it spawns in deepwater pools. During this time, common to other croakers, it can be heard to make loud, continuous, croaking sounds.^[4]

Diet

Boesemania microlepis eats mostly small fishes and crustaceans such as shrimps.^[1]^[4]

Threats

Desired as food, and expensive in southern Laos and northeast Cambodia, this species has become increasingly threatened due to overfishing.^[1]^[5]

References

^ ^a ^b ^c ^d ^e ^f ^g Baird, I. (2021). "Boesemania microlepis". IUCN Red List of Threatened Species. 2021: e.T181232A1711758. doi:10.2305/IUCN.UK.2021-1.RLTS.T181232A1711758.en. Retrieved 19 November 2021.
^ ^a ^b Nicolas Bailly (2008). Bailly N (ed.). "Boesemania". FishBase. World Register of Marine Species. Retrieved October 26, 2014.
^ Froese, Rainer and Pauly, Daniel, eds. (2021). Species of Boesemania in FishBase. June 2021 version.
^ ^a ^b ^c ^d Froese, Rainer; Pauly, Daniel (eds.) (2021). "Boesemania microlepis" in FishBase. June 2021 version.
^ Baird, Ian G.; Phylavanh, B.; Vongsenesouk, B. & Xaiyamanivong, K. (2001). "The ecology and conservation of the smallscale croaker Boesemania microlepis (Bleeker 1858–59) in the mainstream Mekong River, southern Laos". Natural History Bulletin of the Siam Society. 49 (2): 161–176.

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[iucn_status_19_November_2021-1] ^ ^a ^b ^c ^d ^e ^f ^g Baird, I. (2021). "Boesemania microlepis". IUCN Red List of Threatened Species. 2021: e.T181232A1711758. doi:10.2305/IUCN.UK.2021-1.RLTS.T181232A1711758.en. Retrieved 19 November 2021.

[WoRMS-2] Nicolas Bailly (2008). Bailly N (ed.). "Boesemania". FishBase. World Register of Marine Species. Retrieved October 26, 2014.

[3] Froese, Rainer and Pauly, Daniel, eds. (2021). Species of Boesemania in FishBase. June 2021 version.

[fishbase1-4] Froese, Rainer; Pauly, Daniel (eds.) (2021). "Boesemania microlepis" in FishBase. June 2021 version.

[5] Baird, Ian G.; Phylavanh, B.; Vongsenesouk, B. & Xaiyamanivong, K. (2001). "The ecology and conservation of the smallscale croaker Boesemania microlepis (Bleeker 1858–59) in the mainstream Mekong River, southern Laos". Natural History Bulletin of the Siam Society. 49 (2): 161–176.

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