Shorefishes of the Greater Caribbean online information system

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Species: Atherinella beani, Bean's Silverside

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gill rakers 18-22
A 19-23, scale sheath along front 1/2 of base
scales: lateral 48-49, transverse rows 6, around body 17-20

Atherinella beani (Meek & Hildebrand, 1923)

Bean's Silverside

Elongate; sensory pits on snout not as 4 large quadrangular pits; top jaw extendible, premaxilla with rear end greatly expanded, without expanded bony process above its center; 18-22 lower gill rakers; dorsal rays IV, origin behind origin of anal fin, + I,12 or fewer soft rays; anal rays I, 19-23; pectoral fins long, reaching to about end of pelvic fins, inserted high on body, above mid-level of eye; mid-side scales about 48-49; transverse body scales 6; 17-20 scales around circumference of body; sheath of scales along front half of anal fin base; a large scale at base of pelvic fins.

Greenish above, pale below; midlateral band more black than silver.

Size: reaches 10 cm.

Habitat: in shallow bays.

Depth: 0-10 m?

The SW Caribbean.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Near Bottom
  • Water column only
  • Sand & gravel
  • Submerged vegetation
  • Water column
  • Beach
  • Estuary
  • Mud
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Omnivore
  • Planktivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Phytoplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Caribbean endemic
  • Continent
  • Continent only
  • GC endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 10
Depth Range Min
  • 0
Depth Range Max
  • 10