Reedfish (Erpetoichthys calabaricus) at Moscow Zoo.
An unidentified bichir at Moscow Zoo.
Nile bichir (Polypterus bichir) at Moscow Zoo.
Ornate bichir (Polypterus ornatipinnis) at Moscow Zoo.
Saddled bichir (Polypterus endlicheri) at the Moscow Zoo.
Senegal bichir (Polypterus senegalus) at the Moscow Zoo.
Barred bichir (Polypterus delhezi) at the Moscow Zoo.
LivingstonÕs cichlid (Nimbochromis livingstonii) at the Moscow Zoo.
Electric blue hap (Sciaenochromis fryeri) at the Moscow Zoo.
Redfin hap (Copadichromis borleyi) at the Moscow Zoo.
Zebra mbuna cichlid (Pseudotropheus zebra) at the Moscow Zoo.
Blood throat cichlid (Thoracochromis brauschi) at the Moscow Zoo.
Clown catfish (Synodontis decorus) at the Moscow Zoo.
Critically Endangered Bandula barb (Pethia bandula) at the Plzen Zoo. This is the Photo Ark’s 9,000th species!
Australian bass (Macquaria novemaculeata) at the Freshwater Ecology and Marine Biology Dept. at Templestowe College.
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