FishesA recent study shows that fish are more emotionally complex than we give them credit for. ... It turns out emotional attachment to a partner is not unique to humans or even to mammals. Breakups really suck, even if you're a fish. Oscar Bala shark Siamese Fighting Fish Goldfish Firemouth cichlid Koi carp Kissing gourami Cardinal Tetra Neon Tetra Angelfish Rasbora Asian arowana Discus Three spot gourami Guppy Marble Molly Sail fin molly Swordtail Platy Reticulated loach Zebra fish Honey gourami Black Ghost Rosy barb Parrot Fish
Oscar Bala shark Siamese Fighting Fish Goldfish Firemouth cichlid Koi carp Kissing gourami Cardinal Tetra Neon Tetra Angelfish Rasbora Asian arowana Discus Three spot gourami Guppy Marble Molly Sail fin molly Swordtail Platy Reticulated loach Zebra fish Honey gourami Black Ghost Rosy barb Parrot Fish