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Species: Atherinella brasiliensis, Robust Silverside

All Families:   All Genera:   All Species:

greenish, tail reddish
D1 origin over/just behind A origin
C red
lower gill rakers 13-17
pectoral 14-15
A 17-22, basal scale sheath absent/on 1st few rays
scales: 35-44 lateral, transverse rows 6, around body 17-20

Atherinella brasiliensis (Quoy and Gaimard, 1825)

Robust Silverside

Elongate; sensory pits on top of snout not as 4 large quadrangular pits; top jaw extendible, premaxilla with rear end greatly expanded, without expanded bony process above its center; 13-16 lower gill rakers; 1st dorsal fin IV, origin behind 2nd-5th ray of anal fin; anal rays I, 18-20; pectoral 14-15, long, reaching to about end of pelvic fins, inserted high on body, above mid-level of eye; lateral scales 35-44; transverse scale rows 6; 17-20 scales around body; scale sheath on base of anal fin absent or on first few rays only; a large scale at base of pelvic fins.

Pale yellow above and below, with narrow dark scale outines; silver midlateral band, with dark top edging.

Size: reaches 16 cm.

Habitat: coastal beaches, estuaries and mangroves.

Depth: 0-10 m?

Colombia to Brazil.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Mid Water
  • Near Bottom
  • Water column only
  • Sand & gravel
  • Submerged vegetation
  • Water column
  • Beach
  • Estuary
  • Mud
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Pelagic
  • Reef Associated
Feeding Group
  • Data
  • Omnivore
  • Planktivore
  • Data
  • Zooplankton
  • Mobile benthic crustacea (shrimps/crabs)
  • Phytoplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent only
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 16
Depth Range Min
  • 0
Depth Range Max
  • 10