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Species: Anchoa januaria, Rio Anchovy

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top jaw not reaching past preoperculum
gill branch under gill cover short, not onto gill cover
scale at pectoral base reaches past center fin
gill rakers 24-29
A 19-25, origin under mid D base
anus nearer pelvic than to A

Anchoa januaria (Steindachner, 1879)

Rio Anchovy

Moderately elongate; snout prominent, conical, projecting, moderate (~1/2 eye or a bit more); rear of the mouth extends well behind the eye; lower jaw suspended below head; upper jaw tip bluntly pointed, not or just reaching rear edge of preopercle; membrane between gill covers not expanded at rear; no large canine teeth; 24-29 lower gill rakers; top limb 3rd gill arch with 6-7 rakers; patch of gill filaments under gill cover short, not extending onto gill cover; anal fin with fairly short base, 19-25 rays, origin under middle of dorsal fin base; pectorals short, not reaching pelvics; large scale in axil of pectoral fin reaches past center of that fin; anus nearer pelvic tips than to anal fin origin.

Silver stripe on flank ~1/2 eye diameter wide.

Size: 8 cm.

Habitat: marine, pelagic and coastal, enters estuaries.

Depth: 0-10 m?

Lake Maracaibo (Venezuela) to southern Brazil.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Near Surface
  • Surface
  • Water column only
  • Water column
  • Estuary
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Phytoplankton
Egg Type
  • Data
  • Pelagic
  • 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)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 8
Depth Range Min
  • 0
Depth Range Max
  • 10