Species learning profile
大西洋鱈
Gadus morhua
Atlantic cod (Gadus morhua) is a saltwater fish associated with demersal habitat in Atlantic. A cold-water fish central to North Atlantic history.
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At a glance
- 水域
- 海水
- Habitat
- 海底
- 最大长度
- 200 cm
- 分布范围
- 大西洋
- 科
- Gadidae
- 目
- Gadiformes
Observe
How to identify 大西洋鱈
- Olive, brown, or grey with pale mottling.
- Stout body, a chin barbel, and three dorsal fins.
- Reported maximum length: 200 cm — capable of growing longer than many people are tall. 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 demersal habitat across Atlantic. It lives on or close to the bottom, where sediment, rock, depth, and bottom-dwelling prey matter most.
Behavior
Uses demersal habitat for feeding, shelter, migration, or reproduction.
Food-web connections
What it eats and why it matters
Diet
A species-specific mix of plant material, plankton, invertebrates, or other fish.
Ecological role
It connects bottom-dwelling prey with larger predators and may disturb sediment while feeding..
Remember
One fact worth keeping
大西洋鱈可长到约 200 厘米，常见于海底附近。
Think like a conservationist
A conservation lens
Bottom-associated fish can be affected by seafloor disturbance, bycatch, warming, and changes to benthic prey.
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 cod 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.
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