Table 1 Populations of A. splendens and Z. tequila sampled

From: Beyond the point of no return? A comparison of genetic diversity in captive and wild populations of two nearly extinct species of Goodeid fish reveals that one is inbred in the wild

Population

Number

Wild/captive

Origin

Notes

Z. tequila

 Mexico parents

13

Wild

Teuchitlán

Parental generation collected from the wild.

 Mexico offspring

18

Wild

Teuchitlán

F1 generation of above, reared in aquaria.

 Chester zoo

20

Captive

Chester zoo

Zoo population established with individuals from Bolton museum (n=4) in 1995.

A. splendens

 Mexico

20

Wild

Teuchitlán

 

 St Andrews

20

Captive

St Andrews aquarium

Population established with individuals (n=16) from London zoo in 1997. London zoo population originally started in 1961 using wild individuals (n=12) from Mexico.

 Chester zoo

30

Captive

Chester zoo aquarium

Population comprised of samples from Bolton museum (n=7), London zoo (n=5) and Bristol zoo (n=4) established in 1995.

 CZJG

20

Captive

Chester zoo aquarium

Population founded from a 48-individual subset of the original Chester zoo population in 2001.