National Squid Day celebrates these fascinating cephalopods, recognizing their importance in marine ecosystems and human culture.

Quick Facts

When is it: October 10th
Tagged as: Marine Life Celebration
What’s the hashtag: #NationalSquidDay
When was it founded: 2007
Who founded it: Members of TONMO (The Octopus News Magazine Online)

History

National Squid Day emerged as part of International Cephalopod Awareness Days, a five-day celebration dedicated to cephalopods. The date October 10th was specifically chosen to represent the ten appendages (8 arms + 2 tentacles) that squids possess.

Timeline

• 2007: Establishment of Cephalopod Awareness Days
• 2012: First documented widespread celebration
• 2013: Integration into marine biology educational programs

Dates for Next Year

Year	Month	Date	Day
2025	October	10	Friday
2026	October	10	Saturday
2027	October	10	Sunday
2028	October	10	Tuesday
2029	October	10	Wednesday
2030	October	10	Thursday

How It’s Observed

People celebrate by learning about squid biology, visiting aquariums, enjoying calamari dishes, and participating in marine conservation activities.

Fun Facts About Squids

• They have three hearts
• Their blood is blue due to copper content
• They can change color for camouflage
• They’re as intelligent as dogs
• They move by jet propulsion
• They have the largest eyes in the animal kingdom

Quiz

1. How many hearts does a squid have?
2. What color is squid blood?
3. How many total appendages does a squid have?
4. What material is a squid’s beak made of?

(Answers: 1. Three, 2. Blue, 3. Ten, 4. Chitin)

FAQs

Q: Are all squids giant?
A: No, sizes range from tiny pygmy squids to massive giant squids.

Q: Can squids really change color?
A: Yes, they have special cells called chromatophores.

Q: Are squids intelligent?
A: Yes, they demonstrate problem-solving abilities comparable to dogs.

Related Celebrations

• World Octopus Day
• Nautilus Night
• Marine Life Day
• Ocean Conservation Day
• Sea Creature Appreciation Day