Species learning profile
Lookdown
Selene vomer
Lookdown (Selene vomer) is a saltwater fish associated with coastal flats habitat in Atlantic. Its extremely thin silver body nearly disappears when viewed head-on.
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At a glance
- Water
- Salt water
- Habitat
- coastal flats
- Maximum length
- 48 cm
- Range
- Atlantic
- Family
- Carangidae
- Order
- Carangiformes
Observe
How to identify Lookdown
- Its extremely thin silver body nearly disappears when viewed head-on.
- Guide context: coastal flats habitat in Atlantic.
- Reported maximum length: 48 cm — up to about the length of a guitar. 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 flats habitat across Atlantic. Tides repeatedly cover and uncover sand, mud, or seagrass, creating short feeding windows.
Behavior
Schools over sand and around pilings
Food-web connections
What it eats and why it matters
Diet
Small fish, worms, and crustaceans.
Ecological role
A visual predator in bright coastal water.
Remember
One fact worth keeping
Its extremely thin silver body nearly disappears when viewed head-on.
Think like a conservationist
A conservation lens
Coastal development, vessel pressure, degraded water quality, and seagrass loss can shrink feeding and nursery areas.
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 Lookdown 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