Species: Rhinosardinia amazonica, Amazon Spinejaw Sprat, Amazon Spinejaw Herring, Shortband Round Herring

Rhinosardinia amazonica (Steindachner, 1879)
Amazon Spinejaw Sprat, Amazon Spinejaw Herring
Elongate, compressed; mouth oblique, lower jaw projecting; top jaw short, ends at level of front edge of pupil; front of top jaws with no central notch; rear edge of front of top jaw bone at level of center of eye with a sharp back-directed spine; rear edge of gill opening evenly rounded, without fleshy lobes; anal fin relatively short based, 15-18 rays; pelvic fins on the abdomen below the dorsal fin; a forked tail fin; lower body profile with series of keeled sharp scutes (hard spiny scales) from under throat to anus; each scale with a pair of distinct parallel skin lines; lateral scales 39-41.
Pale yellowish white; belly silver; tail fin lobes yellow, with thin black edges; a silver stripe along mid-side in some fish.
Reaches 10.3 cm.
Freshwater, but into brackish river mouths.
Depth: 3-50 m.
Venezuela to northern Brazil.

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- Salinity
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- Brackish
- Freshwater
- Non Marine
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Near Surface
- Surface
- Water column only
- Habitat
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- Water column
- Estuary
- Freshwater
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Data
- Planktivore
- Diet
-
- Data
- Zooplankton
- Egg Type
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- Data
- Pelagic
- Pelagic larva
- Global Endemism
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- All species
- Greater Caribbean non-endemic
- West Atlantic Endemic
- Regional Endemism
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- Also in Brazil
- Extends South of GC
- Continent
- Continent + Island (s)
- Extends North of GC
- GC endemic
- Island (s)
- All species
- Residency
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- Resident
- Climate Zone
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- Equatorial (0-10N, Costa Rica / Venezuela)
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Tropical (10-23N, Nicaragua / Cuba)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 10.3
- Depth Range Min
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- 3
- Depth Range Max
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- 50