The aquarium at London zoo has sent out an appeal to fish keepers around the world.
The zoo currently holds 2 males of the critically endangered...
Lake Victoria Cichlid (Haplochromis riponianus)
Lake Victoria Cichlid (Haplochromis obliquidens)
Frontosa Cichlid (Cyphotilapia frontosa) a peaceful fish from Lake Tanganyika.
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