Species: Chriodorus atherinoides, Hardhead halfbeak
Chriodorus atherinoides Goode & Bean, 1882
Hardhead halfbeak
Elongate slender; upper jaw is short and triangular, lower jaw not extended; gill rakers 19-23; fins without spines; dorsal and anal fins at rear of the body, with their bases about opposite one another, both raised at the front; dorsal fin 15-18, anal fin 15-17; pectoral fins high on the sides, behind upper corner of operculum, relatively short, usually 13-14; pelvic fins under the abdomen; tail fin moderately forked, symmetrical; lateral line low on the side of the body; scales large and smooth, 51-55 lateral rows.
Translucent greenish above, with dark dots on scales; silvery below; a bright silver stripe along flank, which is broadest under dorsal fin.
Reaches 20.6 cm.
Shallow freshwater, brackish and marine areas, including brackish lakes.
Depth range: 0-5 m.
Florida to the northern Caribbean.
High Resolution Map Download
- Salinity
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- Hypersaline
- Brackish
- Freshwater
- Marine
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Near Surface
- Water column only
- Surface
- Habitat
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- Estuary
- Water column
- Freshwater
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Omnivore
- Planktivore
- Data
- Diet
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- Benthic microalgae
- Zooplankton
- Data
- Egg Type
-
- Data
- Benthic
- Pelagic larva
- Global Endemism
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- West Atlantic Endemic
- All species.
- Greater Caribbean endemic
- Regional Endemism
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- All species..
- Island (s)
- Continent
- GC endemic
- Continent + Island (s)
- Residency
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- Resident
- Climate Zone
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- Tropical (10-23N, Nicaragua / Cuba)
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 20.6
- Depth Range Min
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- 0
- Depth Range Max
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- 5
