Species learning profile
无沟双髻鲨
Sphyrna mokarran
Great hammerhead shark (Sphyrna mokarran) is a saltwater fish associated with coastal habitat in Global. Its wide head spreads its sensory organs across a larger search area.
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At a glance
- 水域
- 海水
- Habitat
- 沿海
- 最大长度
- 610 cm
- 分布范围
- 全球
- 科
- Sphyrnidae
- 目
- Carcharhiniformes
Observe
How to identify 无沟双髻鲨
- Grey-brown above and pale underneath.
- Classic shark body with a very wide hammer-shaped head.
- Reported maximum length: 610 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 coastal habitat across Global. Local depth, cover, temperature, oxygen, and food availability determine where it can thrive.
Behavior
Uses coastal 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 occupies a distinct place in its food web as consumer, prey, or both..
Remember
One fact worth keeping
无沟双髻鲨可长到约 610 厘米，常见于沿海附近。
Think like a conservationist
A conservation lens
Population health depends on intact habitat, clean water, and responsible harvest where fishing occurs.
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 Great hammerhead shark 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