Karyotype diversity and evolutionary trends in the Asian swamp eel Monopterus albus (Synbranchiformes, Synbranchidae): a case of chromosomal speciation?

Supiwong, Weerayuth; Pinthong, Krit; Seetapan, Kriengkrai; Saenjundaeng, Pasakorn; Bertollo, Luiz A. C.; de Oliveira, Ezequiel A.; Yano, Cassia F.; Liehr, Thomas; Phimphan, Sumalee; Tanomtong, Alongklod; B Cioffi, Marcelo

doi:10.1186/s12862-019-1393-4

Table 1 Comparative cytogenetic data of Symbranchidae species

From: Karyotype diversity and evolutionary trends in the Asian swamp eel Monopterus albus (Synbranchiformes, Synbranchidae): a case of chromosomal speciation?

Species	Site sampling	2n	NF	Karyotype	Reference
Monopterus albus	Central of Thailand	18	24	6 m + 12a	[6]
	Northeast of Thailand	24	24	24a	[6]
	Central of Thailand	24	24	24a	[8]
	China	24	24	24a	[7]
M. cuchia	India	42	46	4sm + 38a	[33]
Ophisternon aenigmaticum	La Vega, Garcia, Venezuela	45	51	6 m + 39a	[9]
Ophisternon aenigmaticum	EL Valle, Garcia, Venezuela	46	52	6 m + 40a
O. bangalense	Southeast coast of India	46		42 m + 4sm	[34]
Synbranchus lampreia	Lago Catalão	44	50	6 m + 2st + 36a	[19]
S. madeirae	Lago Catalão	46	52	6 m + 2st + 38a
S. marmoratus	Bataguassu – MS, Igaraçu do Tietê – SP, Pirassununga – SP, Icém – SP, Cáceres – MT, BR	42	46	4 m + 12st + 26a	[14]
Synbranchus marmoratus	Coxim, MS, BR	42	46	4 m,sm + 38st,a	[10]
	São Simão, GO, BR	42	46	4 m,sm + 38st,a
	Nova Granada, SP, BR	42	46	4 m,sm + 38st,a
	Botucatu, SP, BR	42	46	4 m,sm + 38st,a	[11]
	Birigui, SP, BR	42	46	4 m,sm + 38st,a
	ParaguaçuPaulista, SP, BR	42	46	4 m,sm + 38st,a
	Pirassununga, SP, BR	42	48	6 m,sm + 36st,a
	RibeirãoPreto, SP, BR	42	48	6 m,sm + 36st,a
	Bataguaçu, MS, BR	42	48	6 m,sm + 36st,a
	Guaíra – PR, BR	42	48	6 m + 10st + 26a	[14]
	Londrina, PR, BR	42	52	4 m + 2sm + 8st + 28a	[13]
	Guairá, PR, BR	42	52	4 m + 2sm + 8st + 28a
	Miranda, MS, BR	42	52	4 m + 2sm + 8st + 28a
	Pereiras, SP, BR	42	52	4 m + 6sm + 8st + 24a
	PresidenteEpitácio, SP, BR	42	52	4 m + 6sm + 8st + 24a
	Rio Claro, SP, BR	44	48	4 m,sm + 40st,a	[10]
	Pentecostes, CE, BR	44	48	4 m,sm + 40st,a	[10]
	Botucatu, SP, BR	44	48	4 m,sm + 40st,a	[11]
	Birigui, SP, BR	44	48	4 m,sm + 40st,a
	Bataguaçu, MS, BR	44	48	4 m,sm + 40st,a
	Ituzaingó, Corrientes, AR	44	48	4 m,sm + 40st,a	[12]
	Reconquista, Santa Fé, AR	44	48	4 m,sm + 40st,a
	Garabato, Santa Fé, AR	44	48	4 m,sm + 40st,a
	Cerrito – RS, Rio Branco – AC, BR	44	48	4 m + 10st + 30a	[14]
	Pirassununga, SP, BR	44	50	4 m + 2sm + 8st + 30a	[13]
	Pirassununga, SP, BR	46	50	4 m,sm + 42st,a	[11]
	RibeirãoPreto, SP, BR	46	50	4 m,sm + 42st,a	[11]
	Bandeirantes, PR, BR	46	52	4 m + 2sm + 8st + 32a	[13]
	Igaraçu do Tietê – SP, Pirassununga – SP, BR	46	52	4 m + 10st + 32a	[14]
	Pirassununga – SP, Icém – SP, BR	46	52	6 m + 10st + 30a	[14]
	Miranda, MS, BR	46	54	6 m + 2sm + 6st + 32a	[13]

Notes: BR Brazil, AR Argentina, 2n diploid number, NF fundamental number, m metacentric, sm submetacentric, st subtelocentric and a acrocentric chromosomes

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ISSN: 2730-7182

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