My 4th grade grandson's second presentation on Keynote/Powerpoint! He loved it.

1. GORDON ALONSO SEPT 22 2023
BLUEMARLIN
Marine presentation
1

2. Blue Marlin
• Live throughout tropical and subtropical waters of the Indian,
Pacific, and Atlantic Oceans
• Prefer warm surface waters that are well mixed by surface winds
and are uniform in temperature and salinity.
• They are considered the most tropical of all billfishes
• They spend all of their time in the water frequently moving
between the surface and a depth of 100 meters.
• WHAT THEY EAT
•.
•They eat mostly tuna and other open water
fi
shes.
Gordon Alonso 9/22/23

3. Blue Marlin Travels
• They can swim long distances
• will follow warm ocean currents for hundreds and
even thousands of miles
• Blue marlins usually feed at the surface where the
water is warm
• known to dive deep to feast on squid.

4. PREDATORS
ORCAS, SHARKS & LARGE PELAGIC FISH

5. HOW BLUE MARLINS MOVE
• The pectoral
fi
ns, found on the sides
• of the marlin
• They are elongated and narrow
• It also possesses 24 vertebrae that
• help facilitate rapid swimming through
ocean currents and water more
generally.
•

6. Blue Marlin
COMMON NAME: Blue Marlin
SCIENTIFIC NAME: Makaira nigricans
TYPE: Fish
DIET: Carnivore
GROUP NAME: School
AVERAGE LIFE SPAN: 27 years (females); 18 years
(males)
SIZE: Up to 14 feet
WEIGHT: Up to 1,985 pounds
SIZE RELATIVE TO A 6-FT MAN:
Gordon Alonso

7. BLUE MARLINS

8. GORDON ALONSO MARINE PRESENTATION THANKS PAPA, DADDY AND LESTER FOR HELPING ME LEARN ABOUT FISHING