Learn and practice American Sign Language signs for common aquatic animals like fish, dolphin, whale, and crab using pictures and memory games.



Step-by-step guide to Sign Aquatic Animals
Step 1
Gather your materials and clear a table to work on so you have space to make cards and practice signs
Step 2
Find the correct ASL handshapes for fish dolphin whale and crab using a book or a trusted video resource
Step 3
Stand in front of the mirror and practice the fish sign five times until it feels natural
Step 4
Stand in front of the mirror and practice the dolphin sign five times until it feels natural
Step 5
Stand in front of the mirror and practice the whale sign five times until it feels natural
Step 6
Stand in front of the mirror and practice the crab sign five times until it feels natural
Step 7
Make at least eight cards by drawing one aquatic animal on each card and labeling each picture with the animal name
Step 8
Shuffle your cards and lay them face down in a neat grid on the table
Step 9
Flip two cards to reveal the animals and show them to everyone playing
Step 10
Make the correct ASL sign for each animal you just revealed
Step 11
If the two cards match keep them face up otherwise turn them face down to hide them again
Step 12
Repeat flipping two cards signing each animal and collecting matches until all pairs are found
Step 13
Create a short four sign story using any four animals and practice signing the story from start to finish
Step 14
Share your finished card set and your four sign story on DIY.org
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!


Help!?
What can we use instead of index cards, a mirror, or a book/video if we can't find them?
Use folded printer paper or cut-up cereal box cardboard for the cards, use your phone's front-facing camera or a shiny window as a mirror, and watch a trustworthy ASL clip on a tablet or smartphone instead of a book to learn the ASL handshapes for fish, dolphin, whale, and crab.
My child keeps making the wrong signs when we flip cards during the game—how can we fix that?
If the signs are wrong when you 'make the correct ASL sign for each animal you just revealed,' pause the game, replay the trusted video resource in slow motion, practice each handshape five times in front of the mirror, then resume flipping two cards.
How can we adapt this activity for different ages or abilities?
For younger kids, reduce to four paired cards with large labeled drawings and help them practice each sign twice in front of the mirror, while older children can create eight or more cards, time each matching turn, and expand the 'four sign story' into a longer signed narrative.
What are simple ways to enhance or personalize the card set and story before sharing on DIY.org?
Decorate each card with textured materials or animal photos, write a one-sentence fact on the back to sign before keeping a match, and record your four-sign story to upload to DIY.org for sharing.
Watch videos on how to sign aquatic animals
Do Fish Pee?
Facts about American Sign Language for kids
🐟 There are over 34,000 known species of fish — more species than all other vertebrate groups combined!
🐬 Dolphins use unique signature whistles like names so individual dolphins can call one another.
🐋 Some whale songs use very low-frequency sounds that can travel long distances underwater to communicate.
🦀 Many crabs can regrow lost legs or claws after molting — nature's own repair kit!
🤟 American Sign Language uses handshapes, movement, and facial expressions — changing your face can change a sign's meaning.