Species learning profile
Atlantic blue marlin
Makaira nigricans
Atlantic blue marlin (Makaira nigricans) is a saltwater fish associated with open ocean habitat in Atlantic. Females grow far larger than males.
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At a glance
- Agua
- Agua salada
- Habitat
- Océano abierto
- Longitud máxima
- 500 cm
- Distribución
- Atlántico
- Familia
- Istiophoridae
- Orden
- Istiophoriformes
Observe
How to identify Atlantic blue marlin
- Females grow far larger than males.
- Guide context: open ocean habitat in Atlantic.
- Reported maximum length: 500 cm — a genuinely giant fish. Maximum is not the same as typical adult size.
Field note: color, size, and markings can change with age, sex, season, depth, and lighting. Use several traits together.
Place and pattern
Where it lives—and how it behaves
Habitat and range
This species is associated with open ocean habitat across Atlantic. With little fixed shelter, currents, temperature fronts, depth, and moving prey define its open-ocean world.
Behavior
Roams warm ocean water and slashes through prey schools
Food-web connections
What it eats and why it matters
Diet
Tuna, mackerel, and squid.
Ecological role
An apex predator of the open Atlantic.
Remember
One fact worth keeping
Atlantic blue marlin puede medir unos 500 cm y suele encontrarse cerca de Océano abierto.
Think like a conservationist
A conservation lens
Wide-ranging ocean fish can cross many jurisdictions, so bycatch, harvest limits, and international cooperation matter.
This habitat lens is not a current population-status assessment. Status can differ among regions and change as new assessments are published; follow the reference links and local fisheries or wildlife agencies for current decisions.
Recall
Quick knowledge check
Which habitat is most closely associated with Atlantic blue marlin in this guide?
Keep exploring
References and further reading
Fishdle summarizes stable identification and ecology concepts in plain language. Taxonomy and population knowledge continue to change, so use primary assessments and regional authorities for conservation or management decisions.
Make connections