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Species: Menidia conchorum, Key silverside

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D origin over mid-pelvic, all base over pelvic
A 12-15
LL pits begin on 6th scale beyond pectoral base
lateral scales 28-34
8 scale rows D origin to pelvic insertion

Menidia conchorum Hildebrand & Ginsburg, 1927

Key silverside

Body elongate, compressed; eye large; snout shorter than eye, without pits, pores or tubes on top; top jaw extendible, premaxilla with rear end greatly expanded, without expanded bony process above its center; teeth well developed, in bands; first dorsal IV-VI, origin over middle of pelvic fin, its entire base over the pelvic fin; horizontal distance between 1st dorsal and anal >7% of SL; anal fin I, 12-15, edge of fin straight; pelvics inserted nearer pectoral base than anal origin; scales without scalloped edges; 18 scale rows from insertion of pelvic to origin of dorsal fin; lateral line pits begin on 6th scale behind pectoral fin base; lateral scales 28-34.

Pale to slightly translucent, upper back may be greenish; lateral stripe prominent, with some black along top edge; back faintly stippled in black.

Reaches 6.1 cm.

Lives in hypersaline ponds.

Depth range: 0-5 m.

The Florida Keys.

Note: an ecological form of H. pPeninsulae.


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Salinity
  • Brackish
  • Non Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Water column only
  • Surface
  • Near Surface
Habitat
  • Estuary
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • No Data
  • Carnivore
  • Planktivore
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
  • Mobile benthic gastropods/bivalves
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent only
  • GC endemic
  • Continent
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Near threatened
CITES
  • Not listed
Length Max
  • 6.1
Depth Range Min
  • 0
Depth Range Max
  • 5