Shorefishes of the Greater Caribbean online information system

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Species: Atherinella schultzi, Chimalapa Silverside, Longsnout Silverside

All Families:   All Genera:   All Species:

mouth extends under eye
gill rakers 12-18
basal scale sheath front 1/2 A
scales: lateral 35-44, transverse 7-9, around body 20-25

Atherinella schultzi (Alvarez & Carranza, 1952)

Chimalapa Silverside, Longsnout Silverside

Elongate; sensory system on snout not in 4 large quadrangular pits; top jaw extendible, premaxilla with rear end greatly expanded, without expanded bony process above its center, rear edge of mouth extends to under front of eye; 12-18 lower gill rakers; 1st dorsal fin IV, its origin over origin of anal fin; anal rays I, 27; pectoral fins reaching to about end of pelvic fins, inserted high on body, above mid-level of eye; 7-9 transverse scales rows; 20-25 scales around circumference of body; mid-side scales about 35-44, rarely 45; sheath of scales on front half of base of anal fin only; a large scale at base of pelvic fins.

Bright yellow above, paler below; midlateral stripe more black than silver; dorsal and tail fins dusky to dark.

Size: reaches 9.7 cm.

Habitat: primarily freshwater, but also in brackish water of coastal estuaries.

Depth: 0-10 m?

The SW Gulf of Mexico.

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  • Brackish
  • Freshwater
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Mid Water
  • Near Bottom
  • Water column only
  • Sand & gravel
  • Water column
  • Estuary
  • Freshwater
  • Mangrove
  • Mud
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Omnivore
  • Planktivore
  • Data
  • Insects
  • Mobile benthic crustacea (shrimps/crabs)
  • Phytoplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent only
  • GC endemic
  • Gulf of Mexico endemic
  • All species
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 9.7
Depth Range Min
  • 0
Depth Range Max
  • 10