Marine Animals

1. Mammal

1.1. Can go on land

1.1.1. Has a flipper

1.1.1.1. Seal

1.1.2. Doesn't have a flipper

1.1.2.1. Can climb trees

1.1.2.1.1. Sea Mink

1.1.2.2. Can't climb trees

1.1.2.2.1. Polar Bear

1.2. Can't go on land

1.2.1. Porpoise

2. Not Mammal

2.1. Can go on land

2.1.1. Has fur

2.1.1.1. Has a horn

2.1.1.1.1. Narwhal

2.1.1.2. Doesn't have a horn

2.1.1.2.1. Beluga Whale

2.1.2. Doesn't have fur

2.1.2.1. Has a curly tail

2.1.2.1.1. Seahorse

2.1.2.2. Doesn't have a curly tail

2.1.2.2.1. Boops Boops Fish

2.2. Can't go on land

2.2.1. Has fur

2.2.1.1. Penguin

2.2.2. Doesn't have fur

2.2.2.1. Lung Fish